Submission #720704

#	Time	Username	Problem	Language	Result	Execution time	Memory
720704		PenguinsAreCute	Poi (IOI09_poi)	C++17	100 / 100	608 ms	6084 KiB

poi

#include <bits/stdc++.h>
using namespace std;
#define int long long
typedef pair<int,int> ii;
typedef pair<int,ii> iii;
int32_t main() {
	int N, T, P; cin >> N >> T >> P; bool solved[N][T]; int score[T]; vector<iii> scores;
	for(int i = 0; i < N; i++) for(int j = 0; j < T; j++) cin >> solved[i][j];
	for(int i = 0; i < T; i++) {
		score[i] = 0; for(int j = 0; j < N; j++) if(!solved[j][i]) score[i]++;
	}
	for(int i = 0; i < N; i++) {
		int curScore = 0, solvedProblems = 0;
		for(int j = 0; j < T; j++) if(solved[i][j]) {curScore += score[j]; solvedProblems++;}
		scores.push_back(iii(curScore, ii(solvedProblems, N - i)));
	}
	sort(scores.begin(), scores.end(), greater<iii>());
	for(int i = 0; i < N; i++) {
		if(N - scores[i].second.second == P - 1) cout << scores[i].first << " " << i + 1;
	}
}

• Subtask 1: 100 / 100