Submission #1366205

#	Time	Username	Problem	Language	Result	Execution time	Memory
1366205		nathlol2	Sails (IOI07_sails)	C++20	25 / 100	1096 ms	4876 KiB

sails

#include <bits/stdc++.h>
#define int long long
using namespace std;
const int N = 1e5 + 5;
int n, h[N], a[N], cnt[N];

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    
    cin >> n;
    for(int i = 1;i<=n;i++){
        cin >> h[i] >> a[i];
        vector<pair<int, int>> v;
        for(int j = 1;j<=h[i];j++){
            v.push_back({cnt[j], -j});
        }
        sort(v.begin(), v.end());
        for(int j = 0;j<a[i];j++){
            cnt[-v[j].second]++;
        }
    }
    int ans = 0;
    for(int i = 1;i<=100000;i++) ans += (cnt[i] * (cnt[i] - 1)) / 2;
    cout << ans;
}

• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 0 / 5
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10
• Subtask 11: 0 / 10