Submission #1010888

#	Time	Username	Problem	Language	Result	Execution time	Memory
1010888		doducanh	Sails (IOI07_sails)	C++14	40 / 100	1101 ms	5808 KiB

sails

#include <bits/stdc++.h>

using namespace std;
#define int long long
#define h first
#define k second
const int maxn=1e5+7;
pair<int,int>a[maxn];
int dem[maxn];
int n;
main()
{
    cin>>n;
    for(int i=1;i<=n;i++)cin>>a[i].h>>a[i].k;
    sort(a+1,a+n+1);
    priority_queue<int>q;
    int w=0;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=a[i].h-w;j++){
            q.push(0);
        }
        vector<int>v;
        while(a[i].k--){
            v.push_back(q.top()-1);
            q.pop();
        }
        for(int x:v)q.push(x);
        w=a[i].h;
    }
    int res=0;
    while(q.size()){
        int tmp=q.top();
        res+=(-tmp)*(-tmp-1)/2;
        q.pop();
    }
    cout<<res;
    return 0;
}

Compilation message (stderr)

sails.cpp:11:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   11 | main()
      | ^~~~

• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 5 / 5
• Subtask 5: 10 / 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