제출 #1122304

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1122304		deera	축구 경기장 (IOI23_soccer)	C++17	6 / 100	197 ms	39580 KiB

soccer

#include "bits/stdc++.h"
using namespace std;

int biggest_stadium(int N, vector<vector<int>> F) {
    int num_trees = 0;
    for (auto i: F) for (int j: i) num_trees += j;

    if (num_trees == 0) {
        return N*N;
    }
    
    if (num_trees == 1) {
        int x, y;
        for (int i = 0; i < N; i++) for (int j = 0; j < N; j++) 
            if (F[i][j] == 1) {
                x = i, y = j; 
                break;
            }

        return N*N - min(x + 1, N - x) * min(y + 1, N - y);
    }

    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

soccer.cpp: In function 'int biggest_stadium(int, std::vector<std::vector<int> >)':
soccer.cpp:20:48: warning: 'y' may be used uninitialized in this function [-Wmaybe-uninitialized]
   20 |         return N*N - min(x + 1, N - x) * min(y + 1, N - y);
      |                                              ~~^~~
soccer.cpp:20:28: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized]
   20 |         return N*N - min(x + 1, N - x) * min(y + 1, N - y);
      |                          ~~^~~

• Subtask 0: 0 / 0
• Subtask 1: 6 / 6
• Subtask 2: 0 / 8
• Subtask 3: 0 / 22
• Subtask 4: 0 / 18
• Subtask 5: 0 / 16
• Subtask 6: 0 / 30