Submission #956639

#	Time	Username	Problem	Language	Result	Execution time	Memory
956639		DeltaStruct	Poi (IOI09_poi)	C++17	80 / 100	472 ms	39756 KiB

poi

#include <bits/stdc++.h>
using namespace std;
 
int main(){
#define int long long
  int n,m,q; cin >> n >> m >> q; vector A(n,vector<int>(m)); vector<int> B(m,n);
  for (int i(0);i < n;++i) for (int k(0);k < m;++k) (cin>>A[i][k]),B[k]-=A[i][k];
  vector<pair<int,int>> C(n); for (int i(0);i < n;++i) for (int k(0);k < m;++k) C[i].first += A[i][k]*B[k],C[i].second+=A[i][k];
  auto r = C[q-1]; sort(C.begin(),C.end(),greater<pair<int,int>>());
  cout << r.first << ' ' << find(C.begin(),C.end(),r)-C.begin()+count(C.begin(),C.end(),r) << endl;
}

• Subtask 1: 80 / 100