제출 #553503

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
553503		MohamedFaresNebili	Sails (IOI07_sails)	C++14	0 / 100	1089 ms	6560 KiB

sails

#include <bits/stdc++.h>
/// #pragma GCC optimize ("Ofast")
/// #pragma GCC target ("avx2")
/// #pragma GCC optimize("unroll-loops")

        using namespace std;

        using ll = long long;
        using ii = pair<ll, ll>;
        using vi = vector<int>;

        #define ff first
        #define ss second
        #define pb push_back
        #define all(x) (x).begin(), (x).end()
        #define lb lower_bound
        #define int ll

        const int oo = 1e9 + 7;

        int N, arr[100001][2], st[100001];

		int32_t main() {
            ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
            cin >> N; int res = 0;
            for(int l = 0; l < N; l++)
                cin >> arr[l][0] >> arr[l][1];
            for(int l = N - 1; l >= 0; l--) {
                vector<ii> vec;
                for(int i = 0; i < arr[l][0]; i++)
                    vec.pb({st[i], i});
                sort(vec.begin(), vec.end());
                for(int i = 0; i < arr[l][1]; i++)
                    res += st[vec[i].ss], st[vec[i].ss]++;
            }
            cout << res << "\n";
		}

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