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Submission #713352

# Submission time Handle Problem Language Result Execution time Memory
713352 2023-03-21T18:28:09 Z SlavicG Sails (IOI07_sails) C++17
15 / 100
 1000 ms 3448 KB 
#include "bits/stdc++.h"
using namespace std;
 
#define ll long long

#define          all(v)              v.begin(), v.end()
#define         rall(v)              v.rbegin(),v.rend()
 
#define            pb                push_back
#define          sz(a)               (int)a.size()

void solve() {
    //stupid tle
    int n; cin >> n;
    vector<int> a(n), b(n);
    for(int i = 0; i < n; ++i) cin >> a[i] >> b[i];
    vector<int> cnt((int)1e5 + 5, 0);
    ll ans = 0;
    for(int i = n - 1; i >= 0; --i) {
        vector<pair<int, int>> f;
        for(int j = 1; j <= a[i]; ++j) {
            f.pb({-cnt[j], j});
        }
        sort(rall(f));
        for(int j = 0; j < b[i]; ++j) {
            ans += cnt[f[j].second];
            ++cnt[f[j].second];
        }
    }
    cout << ans << '\n';
}   
 
int32_t main() {
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    int t = 1;
    //cin >> t;
    while(t--) {
        solve();
    }
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 1 ms 596 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 596 KB Output is correct
2 Correct 2 ms 596 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 596 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 724 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 350 ms 724 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1076 ms 1496 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1066 ms 1524 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1078 ms 2068 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1061 ms 3332 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1075 ms 3448 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #11
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1079 ms 3388 KB Time limit exceeded
2 Halted 0 ms 0 KB -