제출 #1129737

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1129737		Alihan_8	Sails (IOI07_sails)	C++20	0 / 100	1096 ms	2240 KiB

sails

#include <bits/stdc++.h>

using namespace std;

#define all(x) x.begin(), x.end()
#define ar array
#define pb push_back
#define ln '\n'
#define size(x) (int)(x).size()
#define int long long

typedef pair <int,int> pii;

using i64 = long long;

template <class F, class _S>
bool chmin(F &u, const _S &v){
    bool flag = false;
    if ( u > v ){
        u = v; flag |= true;
    }
    return flag;
}

template <class F, class _S>
bool chmax(F &u, const _S &v){
    bool flag = false;
    if ( u < v ){
        u = v; flag |= true;
    }
    return flag;
}

const int N = 1e5 + 5;

int cnt[N + 5];

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    
    int n; cin >> n;
    
    for ( int i = 0; i < n; i++ ){
		int h, k; cin >> h >> k;
		
		cnt[h - k + 1] += 1;
		cnt[h + 1] -= 1;
	}
	
	for ( int i = 1; i < N; i++ ) cnt[i] += cnt[i - 1];
	
	priority_queue <int> q;
	
	for ( int i = 1; i < N; i++ ){	
		while ( size(q) && -q.top() + 2 < cnt[i] ){
			int u = -q.top(); q.pop();
			
			cnt[i] -= 1, u += 1;
			q.push(-u);
		}
		
		q.push(-cnt[i]);
	}
	
	int ans = 0;
	
	while ( size(q) ){
		int x = -q.top(); q.pop();
		
		ans += x * (x - 1) / 2;
	}
	
	cout << ans;

  	cout << '\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
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10
• Subtask 11: 0 / 10