[プログラマー/完探/level 1]模擬試験

問題の主なタイプ

問題の重要な戦略

学習の内容

解題コード

import java.util.*;
 
class Solution {
    public List<Integer> solution(int[] answers) {
        int[] answer = {};

        int[] supoja1 = {1, 2, 3, 4, 5};
        int[] supoja2 = {2, 1, 2, 3, 2, 4, 2, 5};
        int[] supoja3 = {3, 3, 1, 1, 2, 2, 4, 4, 5, 5};

        int[] correct_num = new int[4];

        for (int i = 0; i < answers.length; i++) {
            if (answers[i] == supoja1[i % supoja1.length]) {
                correct_num[1]++;
            }
            if (answers[i] == supoja2[i % supoja2.length]) {
                correct_num[2]++;
            }
            if (answers[i] == supoja3[i % supoja3.length]) {
                correct_num[3]++;
            }
        }

        int max = Integer.MIN_VALUE;
        for (int correct : correct_num) {
            max = correct > max ? correct : max;
        }

        List<Integer> list = new ArrayList<>();
        for (int i = 1; i < correct_num.length; i++) {
            if(correct_num[i] == max){
                list.add(i);
            }
        }

        return list;
    }
}