Submission #384967

#	Time	Username	Problem	Language	Result	Execution time	Memory
384967		knightron0	Poi (IOI09_poi)	C++14	100 / 100	301 ms	39844 KiB

poi

#include <bits/stdc++.h>
using namespace std;

#define pb push_back
#define fr first
#define sc second
#define clr(a, x) memset(a, x, sizeof(a))
#define dbg(x) cout<<"("<<#x<<"): "<<x<<endl;
#define printvector(arr) for (auto it = arr.begin(); it != arr.end(); ++it) cout<<*it<<" "; cout<<endl;
#define all(v) v.begin(), v.end()
#define lcm(a, b) (a * b)/__gcd(a, b)
#define int long long int
#define printvecpairs(vec) for(auto it: vec) cout<<it.fr<<' '<<it.sc<<endl;
#define endl '\n'
#define float long double

const int MOD = 1e9 + 7;
const int INF = 2e15;
const int MAXN = 1e5 + 5;

bool compare(pair<int, pair<int, int>> p1, pair<int, pair<int, int>> p2){
	if(p1.fr == p2.fr){
		if(p1.sc.fr == p2.sc.fr){
			return p1.sc.sc < p2.sc.sc;
		} else {
			return p1.sc.fr > p2.sc.fr;
		}
	} else {
		return p1.fr > p2.fr;
	}
}

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    #ifdef LOCAL
    freopen("input.txt", "r", stdin);
    #endif
	int n, m, p;
	cin>>n>>m>>p;
	vector<vector<int>> a;
	int score[m+3];
	clr(score, 0);
	for(int i = 0;i<n;i++){
		vector<int> tmp;
		for(int j= 0;j<m;j++){
			int x; cin>>x;
			tmp.pb(x);
			score[j] += (x==0);
		}
		a.pb(tmp);
	}
	vector<pair<int, pair<int, int>>> scores;
	for(int i= 0;i<n;i++){
		pair<int, pair<int, int>> pii;
		pii.sc.sc = i+1;
		pii.sc.fr = pii.fr = 0;
		for(int j= 0;j<m;j++){
			pii.fr += (a[i][j]*score[j]);
			pii.sc.fr += a[i][j];
		}
		scores.pb(pii);
	}
	sort(all(scores), compare);
	for(int i = 0;i<(int)scores.size();i++){
		if(scores[i].sc.sc == p){
			cout<<scores[i].fr<<' '<<i+1<<endl;
			return 0;
		}
	}
    return 0;
}

• Subtask 1: 100 / 100