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Dynamic programming (DP) is a foundational technique for solving multistage optimization problems; however, its classical formulation often incurs a cubic time complexity, rendering it impractical for large-scale real-world applications. This study proposes an accelerated dynamic programming framework that leverages quadrilateral inequality and convex monotonicity theory to significantly reduce computational overhead. By formally establishing the structural conditions under which DP decision boundaries exhibit monotone behavior, the proposed method eliminates redundant state transitions and maintains a sequence of admissible decisions through an efficient stack-based mechanism. The resulting algorithm achieves a worst-case complexity of O(n2) and can be further optimized to O(n) when convex monotonicity holds, representing a substantial improvement over traditional O (n3) techniques. Experimental validation using the classical stone-merging problem demonstrates that the accelerated method executes more than 60 times faster than the standard approach for large inputs, while maintaining identical optimal results. These findings confirm that embedding geometric regularities into DP formulations not only enhances performance but also broadens the applicability of dynamic programming to computation-intensive optimization tasks. This research contributes a mathematically grounded, scalability-oriented solution for accelerating dynamic programming, with implications for logistics, production planning, data segmentation, and other large-scale decision systems.

Nicotine is the main chemical substance found in cigarettes and has toxic and addictive properties. Exposure to nicotine in active smokers can cause various health problems, including respiratory and cardiovascular disorders and dependence. The prevalence of active smokers in RT 08 RW 05, Duren Jaya Village, East Bekasi Subdistrict is quite high. However, data on nicotine levels in the bodies of active smokers remain very limited. This study aims to determine the nicotine levels in active smokers in Duren Jaya Village, RT 08 RW 05, Bekasi Timur District, using urine samples. The research method employs a descriptive design with a cross-sectional approach. Urine samples were collected from 30 male active smokers aged over 35 years who had smoked for at least 15 years. Nicotine levels were measured at the Jakarta Regional Health Laboratory using Gas Chromatography-Mass Spectrometry (GC-MS). Data were analyzed descriptively using SPSS version 22. The study included 30 male respondents (100%) with an average age of 41 years. The analysis results showed nicotine levels ranging from 59.908 ng/mLto 459.941 ng/mL, with the majority of respondents falling into the category of active smokers based on the biological threshold for nicotine levels. It can be concluded that the results obtained indicate that these levels correspond to active smokers using light tobacco.

As a region with cultural, religious, and ethnic diversity, Bali functions as a social laboratory to understand the interaction between religious communities. The implementation of Islamic Religious Education (PAI) plays a strategic role in building harmony in a multicultural society. Therefore, comprehensive Islamic Religious Education (PAI) is needed to achieve the goal of a harmonious, peaceful, and secure community life even though they have different religions, tribes, nations and even languages. Based on the complexity of the problems above, the focus of the research is: 1) What is the strategy of educators in integrating Islamic values that are relevant to cultural diversity in Bali? 2) What are the challenges faced in implementing PAI in Bali's multicultural environment? 3) What is the PAI curriculum that supports the values of tolerance and diversity? The objectives of this study are: 1) To determine the strategy of educators in integrating Islamic values that are relevant to cultural diversity in Bali. 2) To determine the challenges faced in implementing PAI in Bali's multicultural environment. 3) To determine the PAI curriculum that supports the values of tolerance and diversity. This type of research is qualitative with a descriptive approach, informants are determined purposively. As sources of information (informants) are the Head of the Environment, Head of Customs, Muslim Community Leaders, Head of Foundation, Head of School, students and Parents. Data were collected through interviews, observations and documentation, then analyzed with the stages of data reduction, data presentation and drawing conclusions. 

This article discusses the application of service learning as an educational approach that supports the preservation of cultural heritage and the strengthening of sustainable tourism in Batu Caves, Kuala Lumpur, Malaysia. As one of the most important Hindu temple complexes in Southeast Asia, Batu Caves has become a symbol of cultural diversity and interreligious harmony. However, increased tourism activity has brought about various problems, such as environmental pollution, waste management issues, and the erosion of cultural values among visitors. To address these challenges, service-learning programs integrate academic theory with direct participation in the community, allowing students to actively engage in environmental conservation, cultural documentation, and the development of public education initiatives. Thru collaboration with temple managers, local communities, and tourists, students applied management concepts in real-world situations, including cleaning activities, maintaining tourist areas, developing educational materials on eco-tourism, and preserving traditional rituals thru cultural archiving. The implementation of this service learning not only enriches students' learning experiences but also raises public awareness about the importance of preserving Batu Caves as a sustainable cultural heritage site. Overall, this project demonstrates that service learning is a transformative pedagogical approach that connects academic goals with community development and cultivates future leaders who are socially responsible and culturally sensitive.

Air pollution and damage to the earth are central world problems and are threats that will occur if humans continue to cause damage to this earth. Pollution on earth is very clear is the increasing amount of organic and non-organic waste, in activities to meet the needs of society, the end result is waste, both waste generated from the needs of clothing, food and shelter, if not handled properly and correctly will threaten the survival of society and threaten the ecology in the world, Organic and non-organic waste must be handled with good management. Management as a tool for organizational management in a society is expected to play an important role in providing education and understanding to the community about the impacts and dangers caused by the increase in waste due to human activities, so that it can strengthen the culture and ethics of society in managing waste so that it will increase the creative abilities of society, creativity, taste and intention in managing waste. The type of research conducted by the author is included in the category of qualitative research literature study method researchers to collect and evaluate information from various previous studies, thus providing a comprehensive understanding of the subject under study.

This research is motivated by the diversity of students found in Islamic boarding schools. Islamic boarding schools are an appropriate base for instilling religious and cultural values ​​in students. Therefore, differences in race, ethnicity, customs, social class, and culture are not addressed with exclusive and fanatical attitudes to prevent conflict. The purpose of this research is to provide multicultural education management training in Islamic boarding schools as an educational alternative that can be applied to address the problems faced by students and the current multicultural society, so that each student can live side by side despite differences in harmony and peace in accordance with religious and cultural values. The research method used is qualitative with the PAR (Participatory Action Research) model. For data collection, in-depth interviews, participant observation, and documentation were used. The results of this study are that multicultural education management training is a preventive effort to address various problems and becomes a real solution to existing problems in Islamic boarding schools related to the religious and cultural values ​​of students. In addition to being an alternative means of solving problems, multicultural education management training is also a means of fostering students so that they do not lose their cultural roots in accordance with religious values. Thus, the implementation of multicultural education management training can be said to be successful if it can produce students who have a tolerant attitude, are not hostile, and do not conflict caused by differences in culture, ethnicity, customs, social class, abilities, and others.

This study aims to analyze the critical role of leadership in improving employee motivation at Arabela Beauty Salon in Sikka Regency. The problems identified include employees who still lack enthusiasm in their work, low discipline, and limited initiative in providing service to customers, which affects overall service quality. This research employs a descriptive qualitative approach, using data collection techniques such as interviews, observations, and documentation. The results indicate that leadership at Arabela Beauty Salon plays a significant role in enhancing employee motivation by providing clear direction, maintaining open communication, and offering attention as well as support to employees. However, the reward system and performance evaluation processes still need improvement to further encourage employees in achieving optimal service targets and high-quality outcomes. Thus, the application of an effective, participative leadership style can significantly improve employee motivation, which in turn leads to better service delivery and increased customer satisfaction.

This community service program aims to provide management assistance to micro and small batik industries in optimizing digital platform and social media-based marketing. This allows these micro and small batik industry players to reach a wider network and ensure their business sustainability in the future after the pandemic. This community service program uses a qualitative descriptive approach, which aims to capture the real-world conditions related to the management of batik industry players in Mojokerto. This mentoring program was attended by micro and small batik industry players, primarily small and craft industries, including 10 batik artisans and industry managers residing in Mojokerto. The mentoring method was implemented through four stages: a) identifying mentoring needs for micro and small batik industry players, b) selecting management literacy priorities, c) designing a management literacy mentoring program, and d) implementing the management mentoring program for micro and small batik industries. The management mentoring program indicates that micro and small batik industry players require ongoing marketing and business development management mentoring. After entering the COVID-19 pandemic, batik industry players in Mojokerto have not been able to recover to pre-COVID-19 levels in 2019. The management mentoring program includes four stages: a) delivering material on the role of management, business sustainability, business problems, and formulating solutions; b) identifying relevant management problems discussed in a focus group discussion; c) mentoring on marketing aspects and optimizing the role of cooperatives within batik industry groups; d) mentoring on business sustainability management through digital business optimization. Through this structured management mentoring program, micro and small batik industry players will be able to improve their management and business management.

The Family Hope Program (PKH) is one of the main instruments of social protection policies in Indonesia that aims to reduce poverty through conditional social assistance. However, in its implementation, this program still faces various problems related to the accuracy of the aid distribution targets, especially in urban areas such as Jagakarsa District, South Jakarta. This study aims to analyze various problems in the distribution of PKH social assistance, assess their impact on the effectiveness of poverty alleviation, and identify strategies that can ensure targeted assistance. The approach used is qualitative descriptive with a case study method, through data collection techniques in the form of in-depth interviews, participatory observations, and documentation of PKH companions, Beneficiary Families (KPM), and village officials in Jagakarsa District. The results of the study show that although PKH has provided real benefits for most KPMs, its implementation is still constrained by inaccurate data, limited capacity of companions, low digital literacy, and weak coordination between agencies. On the other hand, targeted distribution of assistance has been proven to increase access to education and health, improve household economic conditions, and encourage behavioral changes towards independence. Therefore, an integrated strategy is needed including strengthening the capacity of social companions, digitizing the distribution system, active community participation, and local culture-based empowerment education to ensure the long-term effectiveness of PKH in reducing poverty rates.

Hypertension is one of the major health problems in the elderly and increases the risk of cardiovascular disease. The low level of knowledge among the elderly about risk factors and prevention of hypertension is one of the challenges in controlling this disease. This study aims to determine the effectiveness of health education in increasing the knowledge of the elderly about hypertension at the Meohai Center in Kendari City. The study design used a pre-experimental approach with pre-test and post-test without a control group, involving 22 elderly individuals. The education was conducted through interactive lectures and visual educational media. The results showed an increase in the average knowledge score from 8.04 to 9.09 after the intervention, with a paired t-test yielding a p-value of 0.007, indicating a significant difference. These findings indicate that counseling is effective in increasing the knowledge of the elderly about hypertension. The implications of this study emphasize the importance of continuous education programs to support hypertension prevention efforts in the elderly

Fortuna Furniture still manages its inventory manually, which causes many problems, including delayed reports, inaccurate information, and the potential for lost records. These issues affect the quality of decision-making and operational efficiency. This service aims to build a web-based inventory information system that improves speed, accuracy, and integration in inventory management. The system development process follows the Waterfall model SDLC approach, with requirements analysis, design, implementation, and testing supported by interviews, observation, and documentation. The results of the activity show that the developed system can reduce input errors, speed up the process of recording incoming and outgoing goods, and enable real-time stock monitoring. Additionally, the report generation process becomes more efficient and easier for management to access. Overall, the use of this information system significantly improved the efficiency of Fortuna Furniture's inventory management and demonstrated the importance of digitalization in helping businesses run more smoothly.

The number of corruption cases in Indonesia continues to increase. The termination of the investigation of alleged corruption at the Aceh Truth and Reconciliation Commission by the Banda Aceh City Resort Police based on a Memorandum of Understanding between the Government Internal Supervision Apparatus and Law Enforcement Apparatus raises problems because it is contrary to the Law on the Eradication of Corruption Crimes which emphasizes that the return of state losses does not erase the crime. This inconsistency raises questions about the validity of stopping corruption cases through the Memorandum of Understanding. This study aims to assess the validity of the Memorandum of Understanding between the Government Internal Supervision Apparatus and the Law Enforcement Apparatus as the basis for stopping corruption cases, as well as to outline the legal process that should be taken by the Banda Aceh City Resort Police. This research uses a normative juridical method with a legislative, case, and conceptual approach, based on secondary data from various legal materials. The analysis was carried out in an analytical descriptive manner. The results of the study show that the Memorandum of Understanding between the Government Internal Supervision Apparatus and the Law Enforcement Apparatus cannot be the basis for the termination of corruption cases at the Aceh Truth and Reconciliation Commission because it is only coordinated, not a source of criminal law. The note is only suitable for use to follow up on reports through audits. In addition, the Banda Aceh City Resort Police should continue the case to the investigation stage because the elements of corruption, evidence, as well as elements of mens rea and actus reus have been fulfilled without any justification or excuse. It is suggested that the memorandum of understanding can only be a coordinating guideline, not a basis for stopping corruption cases. Any report must still be processed, and the Banda Aceh City Resort Police are obliged to continue the investigation even though the state losses have been returned.

Children's socio-emotional development is an important aspect that plays a role in their ability to recognize, understand, express, and regulate emotions, as well as interact adaptively in social environments. The family serves as the first environment that provides the foundation for this development through parenting patterns, emotional relationships, daily interactions, and parental behavior models. This study uses the Systematic Literature Review (SLR) method by analyzing scientific articles published between 2020–2025 from the Scopus, ERIC, ScienceDirect, and Google Scholar databases. The results of the review indicate that parental responsiveness, observational learning, secure attachment, and emotional communication significantly influence children's emotion regulation and social skills. In addition, parenting styles, particularly the authoritative style, have been shown to have a positive impact on psychological well-being, self-control, and social competence, while authoritarian, permissive, and neglectful styles are associated with behavioral problems and low self-esteem. Overall, the quality of the family environment and patterns of emotional communication play a significant role in shaping children's socio-emotional development. These findings underscore the need for support and reinforcement of parenting practices in efforts to enhance children's emotional and social well-being.

This research was conducted to assess the effectiveness of using the Problem Based Learning (PBL) approach in teaching poetry writing in Indonesian language classes. This method was applied to assess the extent of students' mastery of the material and their response to problem-based learning. Based on the results of the questionnaire distributed, it was found that materials such as procedural texts, expository texts, negotiation texts, poetry, drama, and novels are materials that often use the PBL model. The results show that around 75%–80% of students understand learning with the PBL approach and show active and enthusiastic responses during the learning process. However, the implementation of PBL faces a number of obstacles, including limited time allocation and the level of readiness of students in digesting complex problems. Thus, periodic assessment and adaptation of the learning approach are key to optimising the effectiveness of this method.

Healthcare Associated Infections (HAIs) are serious occurrences and problems that are often found in all hospital facilities. HAIs cause extended hospitalization, permanent disability, increased treatment costs, and death. Hand Hygiene has an important role in the prevention and control of HAIs. This study aims to see the compliance of nurses' hand hygiene and nurses' knowledge of healthcare associated infections (HAIs) in the intensive care unit of Santa Elisabeth Hospital Medan in 2024. The type of research design used was descriptive with a sampling technique using a total of 31 respondents. Based on the results of the study, it was found that most nurses were obedient in carrying out hand hygiene (83.9%) and knowledge that is about the prevention of HAIs was found to be a large number of nurses who had high knowledge (67.7%). It is hoped that nurses maintain compliance in performing hand hygiene so that HAIs do not occur.

First aid is the initial action taken quickly and accurately for someone who has experienced an injury. One way to improve knowledge about injury management is by providing education or counseling. This study aims to determine the relationship between first aid counseling experience and knowledge of the PRICE technique for first aid for minor injuries. The study design was correlational. The study population was 68 members of the Indonesian Red Cross (Rural Red Cross), with 30 respondents selected using a purposive sampling technique. Data were collected using a questionnaire and analyzed using the Spearman's rho test. The Spearman's rho test yielded a p-value of 0.000 (α: 0.05) with an r (correlation strength) of 0.796, indicating a significant relationship between counseling experience and knowledge of the PRICE technique for first aid for minor injuries. Experience is a valuable learning experience that can enhance one's knowledge in dealing with health problems encountered in the surrounding environment. It is recommended that respondents increase their experience in various ways to address health problems that frequently occur in daily life.

This study analyzes the quality control of lamb rendang products at CV. Mitra Tani Farm using three Statistical Quality Control (SQC) tools: the checksheet, Pareto diagram, and Fishbone diagram. The research was conducted to identify major product defects and their root causes in the canned lamb rendang production process. A descriptive quantitative method was applied through direct observation, interviews, and documentation. Data were collected using a checksheet to record defect types and frequencies, then analyzed with Pareto and Fishbone diagrams to determine dominant issues and underlying factors. The results showed that labeling errors were the most frequent defect, followed by inaccurate sterilization and machine overload. These problems were mainly caused by limited operator skills, non-standardized procedures, and inadequate machine performance. The findings indicate that improving operator training, refining standard procedures, and maintaining equipment are essential to enhance product quality and consistency.  

The problems in rice fields are complex and varied, depending on geographic location, rice variety, and growing season. Pests often cause serious economic losses. The Solar Sonic Repeller is an innovative portable pest control device designed to address pest problems by utilizing renewable energy, specifically solar energy. This product aims to offer an environmentally friendly and efficient solution. It works by emitting ultrasonic sound waves with a frequency of 30,000–40,000 Hz. The device's advantages lie in its portability and energy independence, thanks to the use of a charging module powered by an integrated photovoltaic (PV) panel with automatic battery charging during the day. The first test measured the output frequency using an oscilloscope to verify that the oscillator circuit produced waves at the specified frequency. The second test measured the device's effectiveness by examining the pest response to the device at various distances. This test was effective within a maximum radius of approximately 14 m from the center point, covering a rice field area of ​​250 m2.

Nutritional problems during the growth phase of adolescent are mostly caused by consumption patterns. The most commonly used eating patterns during adolescent are foods that are high in calories, fat, sugar and salt. The habits of an unhealthy eating pattern can affect nutritional status. The foods most consumed by adolescent are often junk food and caffeinated beverages. All kinds of food and drinks are easily found around campuses surrounded by student. The purpose of this study was to determine the relationship between junk food consumption and caffeinated beverages to the nutritional status of students of the Faculty of Technology and Food Industry at Slamet Riyadi University, Surakarta. The respondents involved were students aged 18-24 years. Data was collected using a questionnaire and interview to the student. Data were analyzed using Chi-Square test. The results showed that factor affecting the nutritional status of student was mother’s education (p=0,000) and father’s education (p=0.000). Factors that do not affect nutritional status were energy intake (p=0.545), protein (p=0.085), fat (p=0.204) and carbohydrate (p=0.112), the amount of pocket money (p=0.310), the consumption level of junk food (p=0.671) and caffeinated drinks (p=0.535). The results showed that there was no significant relationship between the consumption patterns of junk food and caffeinated drinks on the nutritional status of students of the Faculty of Food Technology and Industry at Slamet Riyadi University, Surakarta. Permasalahan gizi yang terjadi saat pertumbuhan fase remaja lebih banyak disebabkan karena pola konsumsi.  Pola makan yang sering diterapkan pada masa remaja adalah makanan tinggi kalori, lemak, gula, dan garam. Pola makan yang tidak sehat dapat mempengaruhi status gizi seseorang. Makanan yang paling banyak dikonsumsi oleh kalangan remaja masuk dalam kategori junk food dan juga minuman berkafein. Makanan dan minuman kategori ini mudah ditemukan di sekitar kampus yang dikelilingi mahasiswa. Tujuan pada penelitian ini ialah menentukan hubungan pola konsumsi junk food dan minuman berkafein terhadap status gizi mahasiswa Fakultas Teknologi dan Industri Pangan di Universitas Slamet Riyadi, Surakarta. Responden yang terlibat ialah mahasiswa berusia 18-24 tahun. Pengumpulan data menggunakan kuesioner dan wawancara kepada mahasiswa. Analisis data menggunakan uji Chi-Square. Hasil penelitian menunjukkan bahwa faktor yang mempengaruhi status gizi mahasiswa adalah pendidikan ibu (p=0.000) dan pendidikan ayah (p=0.000). faktor yang tidak mempengaruhi status gizi ialah asupan energi (p=0.545), protein (p=0.085), lemak (p=0.204) and karbohidrat (p=0.112), jumlah uang saku (p=0.310), tingkat konsumsi junk food (p=0.671) dan minuman berkafein (p=0.535). Hasil penelitian menunjukkan tidak terdapat hubungan signifikan antara pola konsumsi junk food dan minuman berkafein terhadap status gizi mahasiswa Fakultas Teknologi dan Industri Pangan Universitas Slamet Riyadi, Surakarta.

The rapid rise of Indonesia’s digital economy is changing how people participate as citizens and how their consumer rights are protected. This study explores the legal dimensions of digital citizenship through a normative juridical review of the Consumer Protection Law, the Electronic Information and Transactions Law, and the Personal Data Protection Law. Although these laws provide basic safeguards, significant problems remain such as data privacy violations, unclear algorithmic practices, cross-border legal barriers, and deceptive online advertising. Low public legal awareness and the absence of a unified dispute-resolution system further leave consumers vulnerable to powerful global digital platforms. The study argues that stronger protection requires embedding digital citizenship principles into Indonesia’s legal framework, harmonizing national rules with international standards, enhancing platform oversight, and improving digital literacy. In conclusion, a flexible and forward-looking legal approach is crucial to making consumer protection a core part of digital citizenship and ensuring public trust and human rights in the digital era.