Submission #1005750

#	Time	Username	Problem	Language	Result	Execution time	Memory
1005750		12345678	Poi (IOI09_poi)	C++17	100 / 100	146 ms	23888 KiB

poi

#include <bits/stdc++.h>

using namespace std;

const int nx=2e3+5;

int n, t, x, s[nx][nx], cnt[nx], v[nx], sv[nx];
vector<pair<int, pair<int, int>>> res;

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n>>t>>x;
    for (int i=1; i<=n; i++) for (int j=1; j<=t; j++) cin>>s[i][j], cnt[j]+=1-s[i][j];
    for (int i=1; i<=n; i++) for (int j=1; j<=t; j++) v[i]+=s[i][j]*cnt[j], sv[i]+=s[i][j];
    for (int i=1; i<=n; i++) res.push_back({v[i], {sv[i], -i}});
    sort(res.begin(), res.end());
    reverse(res.begin(), res.end());
    for (int i=0; i<n; i++) if (res[i].second.second==-x) return cout<<res[i].first<<' '<<i+1, 0;
}

• Subtask 1: 100 / 100