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Finding the shortest path in direction effective is essential. To solve this shortest path problem, we usually using Dijkstra or A* algorithm. These two algorithms are often used in routing or road networks. This paper’s objective is to compare those two algorithms in solving this shortest path problem. In this research, Dijkstra and A* almost have the same performance when using it to solve town or regional scale maps, but A* is better when using it to solve a large scale map.

The illocutionary acts is a speech act aiming at not only to convey something but also to do something in the form of speech. Speech is not only used to express something because everyone who speaks has a purpose in every speech. The problem studied in this pragmatic research is forms of  illocutionary acts in WIB program in episode 9 July 2018. The purpose of this research is to describe the forms of s illocutionary acts in WIB program in episode 9 July 2018. The method used in this study is qualitative descriptive. Method of data collection using the observation method  by using basic techniques, which is observation technique. Furthermore, observation technique is followed with advanced techniques in the form  of uninvoluement observation capable of recording, record, and record techniques. The analysis of this research using the method of equalextralingua. Based on the result of the research, it can be concluded that the illocutionary acts in WIB program on July 9, 2018 episode, on Net TV, support Searle concept by discovery five types of illocutionary acts, namely representative, commissive, directive, expressive, and declarative.Keywords: acts of speech, act of speech illocution, quiz WIB

60Abstrak-Petukaran data yang terjadi secara offline maupun online sangat rentan dengan ancaman pencurian data. Kombinasi Caesar dan Affine Cipher diharapkan mampu untuk menangani isu keamanan data. Caesar Cipher bekerja dengan memanfaatkan pergeseran atau dikenal dengan shift cipher sementara Affine Cipher bekerja dengan menggunakan kunci dua buah bilangan integer. Kombinasi dua buah algoritma ini mampu mengamankan data dan mengembalikan kembali ke bentuk aslinya (plainteks), sehingga tidak menyebabkan integritas datanya hilang.

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