You Can Go Your Own Way
原题: https://codingcompetitions.withgoogle.com/codejam/round/0000000000051705/00000000000881da
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直接替换S和E. 我看分析的证明好长啊, 我是举例试出来的. |
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import java.util.Scanner; public class Solution { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int n = Integer.valueOf(scanner.nextLine()); for (int i = 1; i <= n; i++) { String res = solve(Integer.valueOf(scanner.nextLine()), scanner.nextLine()); System.out.println("Case #" + i + ": " + res); } } private static String solve(int n, String direction) { StringBuilder sb = new StringBuilder(); for(int i = 0; i < direction.length(); i++) { if (direction.charAt(i) == 'E') { sb.append('S'); } else { sb.append('E'); } } return sb.toString(); } } |