Submission #788394

#	Time	Username	Problem	Language	Result	Execution time	Memory
788394		canadavid1	Poi (IOI09_poi)	C++14	100 / 100	205 ms	8752 KiB

poi

#include <bits/stdc++.h>
using namespace std;
#define all(x) begin(x),end(x)




signed main()
{
    cin.tie(nullptr)->sync_with_stdio(false);
    int N,T,P;
    cin >> N >> T >> P;
    vector<vector<bool>> s(N,vector<bool>(T,false));
    for(auto && i : s) for(int j = 0; j < T; j++) {int a; cin >> a; i[j] = a;}
    vector<int> solveNum(T,0);
    for(auto && i : s) for(int j = 0; j < T; j++) if(!i[j]) solveNum[j]++; 
    vector<tuple<int,int,int>> scores(N,{0,0,0});
    for(int i = 0; i < N; i++)
    {
        for(int j = 0; j < T; j++) if (s[i][j]) {get<0>(scores[i])-=solveNum[j];get<1>(scores[i])--;}
        get<2>(scores[i]) = i+1; // person id
    }
    sort(all(scores));
    // find P
    int i;
    for(i = 0; get<2>(scores[i])!=P;i++);
    cout << -get<0>(scores[i]) << " " << i+1 << "\n";

}

• Subtask 1: 100 / 100