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Submission #667294

# Submission time Handle Problem Language Result Execution time Memory
667294 2022-12-01T04:36:40 Z raypeng1729 Sails (IOI07_sails) C++17
10 / 100
 22 ms 3668 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
const int INF = 1e16;
signed main(){
    ios::sync_with_stdio(false), cin.tie(0);
    int n; cin >> n;
    int a[n], b[n], mx = 0;
    for(int i = 0; i < n; i++) cin >> a[i] >> b[i], mx = max(mx, a[i]);
    int pre[mx + 1]{};
    for(int i = 0; i < n; i++){
        pre[0]++, pre[a[i] + 1]--;
    }
    for(int i = 1; i <= mx; i++) pre[i] += pre[i - 1];
    int ans = 0, cnt = accumulate(b, b + n, 0);
    ans -= cnt;
    for(int i = mx; i > 0; i--){
        int cur = min(pre[i], cnt / i);
        ans += cur * cur;
        cnt -= cur;
    }
    cout << ans / 2;
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 316 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 224 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 1 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 356 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 712 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1352 KB Output is correct

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 10 ms 1980 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 16 ms 3020 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 16 ms 3492 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #11
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 22 ms 3668 KB Output isn't correct
2 Halted 0 ms 0 KB -