COS PRO 1급 JAVA 만났을때 최대인 경우

 

 

[소스 코드]

class Main {
    public int solution(int[][] grid) {
        int answer = 0;
        for(int i = 0; i < 4; i++)
            for(int j = 0; j < 4; j++)
                for(int k = j + 1; k < 4; k += 2)
                    answer = Math.max(answer, Math.max(grid[i][j] + grid[j][k], grid[i][j] + grid[k][i]));
        return answer;
    }
}