제출 #1338997

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1338997		po_rag526	Sails (IOI07_sails)	C++20	0 / 100	1 ms	344 KiB

sails

#include <bits/stdc++.h>
using namespace std;
struct str
{
    int h;
    int k;
};
bool boolmat(str a, str b) 
{
    return a.h < b.h;
}
int main() 
{
    int n;
    vector<str> mast(n);
    int maxh = 0;
    for (int i = 0; i < n; i++) 
    {
        cin >> mast[i].h;
        cin >> mast[i].k;
        if (mast[i].h > maxh)
        {
            maxh = mast[i].h;
        } 
    }
    sort(mast.begin(), mast.end(), boolmat);
    vector<int> cnt(maxh + 1, 0);
    for (int i = 0; i < n; i++) 
    {
        vector<pair<int, int>> niv;
        for (int h = 1; h <= mast[i].h; h++) 
        {
            niv.push_back({cnt[h], h});
        }
        sort(niv.begin(), niv.end());
        for (int j = 0; j < mast[i].k; j++) 
        {
            cnt[niv[j].second]++;
        }
    }
    long long tot = 0;
    for (int i = 1; i <= maxh; i++) 
    {
        long long c = cnt[i];
        tot += (c * (c - 1)) / 2;
    }
    cout << tot << endl;
    return 0;
}

• 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