Submission #956616

#	Time	Username	Problem	Language	Result	Execution time	Memory
956616		DeltaStruct	Poi (IOI09_poi)	C++17	70 / 100	485 ms	31808 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<int> C(n); iota(C.rbegin(),C.rend(),0); for (int i(0);i < n;++i) for (int k(0);k < m;++k) C[i] += A[i][k]*B[k]*n;
  sort(C.begin(),C.end(),greater<int>()); int r(n-q); for (int k(0);k < m;++k) r += A[q-1][k]*B[k]*n;
  assert(binary_search(C.begin(),C.end(),r,greater<int>()));
  cout << r/n << ' ' << upper_bound(C.begin(),C.end(),r,greater<int>())-C.begin() << endl;
}

• Subtask 1: 70 / 100