Submission #931471

#	Time	Username	Problem	Language	Result	Execution time	Memory
931471		emad234	Poi (IOI09_poi)	C++17	100 / 100	442 ms	19308 KiB

poi

#include <bits/stdc++.h>
#define   ll long long
#define F first
#define S second
#define pii pair<int,int>
const int mod = 1e9 + 7;
const int mxN = 2e5 + 5;
using namespace std;
struct ranking{
	int score,num,id;
};
ranking ans[mxN];
bool operator<(ranking a,ranking b){
	return tie(a.score,a.num,a.id) > tie(b.score,b.num,b.id);
}
bool operator==(ranking a,ranking b){
	return tie(a.score,a.num,a.id) == tie(b.score,b.num,b.id);
}
int p[mxN];
int a[2021][2021];
signed main(){
	int n,t,P;
	cin >>n>>t>>P;
	for(int i = 1;i <= n;i++){
		for(int j = 1;j <= t;j++){
			cin >>a[i][j];
			if(!a[i][j]) p[j]++;
		}
	}
	for(int i = 1;i <= n;i++){
		ans[i].id = {-i};
		for(int j = 1;j <= t;j++){
			ans[i].num += (a[i][j]);
			ans[i].score += (p[j] * a[i][j]);
		}
	}
	sort(ans + 1,ans + n + 1);
	for(int i = 1;i <= n;i++){
		if(ans[i].id == -P){
			cout<<ans[i].score<<' '<<i;
			return 0;
		}
	}
}

• Subtask 1: 100 / 100