Submission #655600

#	Time	Username	Problem	Language	Result	Execution time	Memory
655600		horiseun	Poi (IOI09_poi)	C++11	100 / 100	265 ms	4292 KiB

poi

#include <iostream>
#include <vector>
#include <tuple>
#include <algorithm>
using namespace std;

int n, t, p;
bool solved[2005][2005];
int score[2005];

vector<tuple<int, int, int>> v;

int main() {

    ios_base::sync_with_stdio(false);
    cin.tie(0);

    cin >> n >> t >> p;
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= t; j++) {
            cin >> solved[i][j];
        }
    }

    for (int i = 1; i <= t; i++) {
        for (int j = 1; j <= n; j++) {
            score[i] += (!solved[j][i]);
        }
    }

    for (int i = 1; i <= n; i++) {
        int temp = 0, c = 0;
        for (int j = 1; j <= t; j++) {
            temp += (solved[i][j] ? score[j] : 0);
            c += solved[i][j];
        }
        v.push_back({temp, c, -i});
    }
    sort(v.begin(), v.end(), greater<tuple<int, int, int>>());

    for (int i = 0; i < v.size(); i++) {
        if (get<2>(v[i]) == -p) {
            cout << get<0>(v[i]) << " " << i + 1 << "\n";
            return 0;   
        }
    }




}

Compilation message (stderr)

poi.cpp: In function 'int main()':
poi.cpp:41:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::tuple<int, int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |     for (int i = 0; i < v.size(); i++) {
      |                     ~~^~~~~~~~~~

• Subtask 1: 100 / 100