oj.uz

Submission #713479

# Submission time Handle Problem Language Result Execution time Memory
713479 2023-03-22T09:02:28 Z SlavicG Sails (IOI07_sails) C++17
30 / 100
 1000 ms 5956 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()
 
#define int long long
 
void solve() {
    //mai bagam un tle
    int n; cin >> n;
    vector<pair<int, int>> a(n);
    for(int i = 0; i < n; ++i) {
        cin >> a[i].first >> a[i].second;
    }
    vector<int> cnt((int)1e5 + 5, 0);
    ll ans = 0;
    sort(rall(a));
    for(int i = n - 1; i >= 0; --i) {
        vector<pair<int, int>> f;
        for(int j = 1; j <= a[i].first; ++j) {
            f.pb({-cnt[j], -j});
        }
        sort(rall(f));
        for(int j = 0; j < a[i].second; ++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 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1108 KB Output is correct
2 Correct 1 ms 1108 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1108 KB Output is correct
2 Correct 1 ms 980 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1108 KB Output is correct
2 Correct 10 ms 1152 KB Output is correct

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 265 ms 1248 KB Output is correct
2 Execution timed out 1076 ms 3016 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1072 ms 1872 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 1055 ms 2660 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 1068 ms 2776 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 1081 ms 5956 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 1071 ms 2764 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 1080 ms 3424 KB Time limit exceeded
2 Halted 0 ms 0 KB -