Submission #100528

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
100528	2019-03-12 04:12:58	Feeder	Kisik (COCI19_kisik)	C++11	0 / 90	90 ms	9312 KiB

kisik

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include<bits/stdc++.h>
using namespace std;
int main(){
  ios::sync_with_stdio(0);
  cin.tie(0);
  int n, k, w, h;
  long long mn, curw = 0;
  vector<pair<int, int> > vec;
  cin >> n >> k;
  for(int i=0; i<k; i++){
    cin >> w >> h;
    vec.push_back(make_pair(h, w));
  }
  priority_queue<int> pq;
  sort(vec.begin(), vec.end());
  for(int i=0; i<k; i++){
    curw += vec[i].second;
    pq.push(vec[i].second);
  }
  mn = min(mn, curw * vec[k-1].first);
  for(int i=k; i<n; i++){
    if(vec[i].second >= pq.top()) continue;
    curw -= pq.top();
    pq.pop();
    curw += vec[i].second;
    pq.push(vec[i].second);
    mn = min(mn, curw * vec[i].first);
  }
  cout << mn;
}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

kisik.cpp: In function 'int main()':
kisik.cpp:7:12: warning: 'mn' may be used uninitialized in this function [-Wmaybe-uninitialized]
  long long mn, curw = 0;
            ^~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10