Submission #996647

#	Time	Username	Problem	Language	Result	Execution time	Memory
996647		ezzzay	Sails (IOI07_sails)	C++14	30 / 100	1058 ms	5832 KiB

sails

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define ff first
#define ss second
#define pb push_back
const int N=2e6+5;
int h[N];
signed main(){
    int n;
    cin>>n;
    vector<pair<int,int>>vc;
    for(int i=1;i<=n;i++){
        int m,k;
        cin>>m>>k;
        vc.pb({m,k});
        
    }
    sort(vc.begin(),vc.end());
    for(auto p:vc){
        int m= p.ff;
        int k= p.ss;
        
        vector<pair<int,int>>v;
        for(int j=1;j<=m;j++){
            v.pb({h[j], -j});
        }
        sort(v.begin(),v.end());
        for(int j=0;j<k;j++){
            int idx=v[j].ss *-1;
            h[idx]++;
        }
    }
    int k=0;
    for(int i=1;i<=2e6;i++){
        k+= (h[i]-1)*(h[i])/2;
    }
    cout<<k;
}

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