Submission #778289

#	Time	Username	Problem	Language	Result	Execution time	Memory
778289		raysh07	Poi (IOI09_poi)	C++17	55 / 100	200 ms	39532 KiB

poi

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define INF (int)1e18
#define f first
#define s second

mt19937_64 RNG(chrono::steady_clock::now().time_since_epoch().count());

void Solve()
{
	int n, p, t; cin >> n >> p >> t;
	swap(p, t);

	vector <int> uns(t + 1, 0);
	vector <vector <int>> a(n + 1, vector<int>(t + 1, 0));
	vector <int> sc(n + 1, 0);

	for (int i = 1; i <= n; i++){
		for (int j = 1; j <= t; j++){
			cin >> a[i][j];
			if (a[i][j] == 0) uns[j]++;
		}
	}

	for (int i = 1; i <= n; i++){
		for (int j = 1; j <= t; j++){
			if (a[i][j] == 1) sc[i] += uns[j];
		}
	}

	int rnk = 1;
	for (int i = 1; i <= n; i++){
		if (sc[i] > sc[p]) rnk++;
	}

	cout << sc[p] << " " << rnk << "\n";
}

int32_t main() 
{
    auto begin = std::chrono::high_resolution_clock::now();
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int t = 1;
   	
  //  cin >> t;
    for(int i = 1; i <= t; i++) 
    {
        //cout << "Case #" << i << ": ";
        Solve();
    }
    auto end = std::chrono::high_resolution_clock::now();
    auto elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(end - begin);
    cerr << "Time measured: " << elapsed.count() * 1e-9 << " seconds.\n"; 
    return 0;
}

• Subtask 1: 55 / 100