제출 #893328

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
893328	2023-12-27 02:06:25	vjudge1	Topical (NOI23_topical)	C++17	100 / 100	405 ms	174080 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
#define int long long
#define fileio(name) if (fopen(name".inp", "r")) freopen(name".inp", "r", stdin), freopen(name".out", "w", stdout)
const int maxn = 1e6+5;
int n, m, cnt[maxn], p[maxn];
vector<int> a[maxn], u[maxn];
vector<pair<int, int>> val[maxn];
int32_t main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    fileio("");
    // freopen("debug.txt", "w", stderr);
    cin >> n >> m;
    for (int i = 0; i <= n+1; i++) {
        a[i] = vector<int>(m+2, 0);
        u[i] = vector<int>(m+2, 0);
    }
    vector<int> cur;
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= m; j++) {
            cin >> a[i][j];
            if (a[i][j] == 0) {
                cnt[i]++;
            }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'int32_t main()':
Main.cpp:5:57: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    5 | #define fileio(name) if (fopen(name".inp", "r")) freopen(name".inp", "r", stdin), freopen(name".out", "w", stdout)
      |                                                  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:15:5: note: in expansion of macro 'fileio'
   15 |     fileio("");
      |     ^~~~~~
Main.cpp:5:90: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    5 | #define fileio(name) if (fopen(name".inp", "r")) freopen(name".inp", "r", stdin), freopen(name".out", "w", stdout)
      |                                                                                   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:15:5: note: in expansion of macro 'fileio'
   15 |     fileio("");
      |     ^~~~~~

• Subtask 1: 12 / 12
• Subtask 2: 28 / 28
• Subtask 3: 21 / 21
• Subtask 4: 39 / 39