Problem Solving/Baekjoon
[백준] 11575 Affine Cipher - Implementation / Java
graycode
2025. 6. 15. 14:51
• 문제 링크
https://www.acmicpc.net/problem/11575
• 풀이 코드
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.util.StringTokenizer;
public class Main {
public static void main(String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
int t = Integer.parseInt(br.readLine());
while (t-- > 0) {
StringTokenizer st = new StringTokenizer(br.readLine());
int a = Integer.parseInt(st.nextToken()), b = Integer.parseInt(st.nextToken());
for (char c : br.readLine().toCharArray()) bw.write((char) ((a * (c - 'A') + b) % 26 + 'A'));
bw.newLine();
}
bw.flush();
}
}