Submission #1031586

#	Time	Username	Problem	Language	Result	Execution time	Memory
1031586		ezzzay	Poi (IOI09_poi)	C++14	70 / 100	343 ms	31572 KiB

poi

#include<bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
#define pb push_back
const int N=3e3;
int a[N][N];
int pnt[N];
signed main(){
    int n,m,p;
    cin>>n>>m>>p;
    for(int i=1;i<=m;i++){
        pnt[i]=0;
    }
    for(int i=1;i<=n;i++){
        for(int j=1;j<=m;j++){
            cin>>a[i][j];
            if(!a[i][j])pnt[j]++;
        }
    }
    
   
    
    vector<pair<int,int>>v;
    for(int i=1;i<=n;i++){
        int s=0;
        for(int j=1;j<=m;j++){
            if(a[i][j]){
                s+=pnt[j];
            }
        }
        v.pb({-s,i});
    }
    sort(v.begin(),v.end());
   
    for(int i=0;i<n;i++){
        
        if(v[i].ss==p){

            cout<<v[i].ff*-1<<" "<<i+1;
            return 0;
        }
    }
}

• Subtask 1: 70 / 100