oj.uz

Submission #870923

# Submission time Handle Problem Language Result Execution time Memory
870923 2023-11-09T13:15:04 Z anha3k25cvp Schools (IZhO13_school) C++14
25 / 100
 98 ms 8444 KB 
#include <bits/stdc++.h>
#define ll long long
#define ull unsigned long long
#define dl double
#define st first
#define nd second
#define II pair <int, int>

using namespace std;

const int N = 5 + 1e5;
const int inf = 7 + 1e9;

int main() {
#define TASKNAME ""
    ios_base :: sync_with_stdio (0);
    cin.tie (0);
    if ( fopen( TASKNAME".inp", "r" ) ) {
        freopen (TASKNAME".inp", "r", stdin);
        freopen (TASKNAME".out", "w", stdout);
    }
    int n, m, s;
    cin >> n >> m >> s;
    int cnt = n - m - s;
    priority_queue <II> q;
    ll ans = 0;
    for (int i = 1; i <= n; i ++) {
        int x, y;
        cin >> x >> y;
        q.push({y - x, x});
        ans += (ll)x;
    }
    while (s --) {
        ans += (ll)q.top().st;
        q.pop();
    }
    priority_queue <int> p;
    while (!q.empty()) {
        p.push(-q.top().nd);
        q.pop();
    }
    while (cnt --) {
        ans += (ll)p.top();
        p.pop();
    }
    cout << ans;
    return 0;
}

Compilation message

school.cpp: In function 'int main()':
school.cpp:19:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |         freopen (TASKNAME".inp", "r", stdin);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
school.cpp:20:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |         freopen (TASKNAME".out", "w", stdout);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
25.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Incorrect 0 ms 348 KB Output isn't correct
5 Incorrect 0 ms 348 KB Output isn't correct
6 Incorrect 1 ms 348 KB Output isn't correct
7 Incorrect 2 ms 604 KB Output isn't correct
8 Correct 2 ms 608 KB Output is correct
9 Incorrect 1 ms 604 KB Output isn't correct
10 Incorrect 1 ms 604 KB Output isn't correct
11 Incorrect 1 ms 604 KB Output isn't correct
12 Incorrect 1 ms 604 KB Output isn't correct
13 Incorrect 11 ms 1500 KB Output isn't correct
14 Incorrect 25 ms 2264 KB Output isn't correct
15 Incorrect 56 ms 5072 KB Output isn't correct
16 Correct 51 ms 4312 KB Output is correct
17 Incorrect 65 ms 5640 KB Output isn't correct
18 Incorrect 71 ms 6596 KB Output isn't correct
19 Incorrect 76 ms 7112 KB Output isn't correct
20 Incorrect 98 ms 8444 KB Output isn't correct