#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 = 1e18, curw = 0;
vector<pair<int, int> > vec;
cin >> n >> k;
for(int i=0; i<n; 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;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
3 ms |
384 KB |
Output is correct |
4 |
Correct |
3 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
3 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
384 KB |
Output is correct |
2 |
Correct |
3 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
3 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
384 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
88 ms |
8172 KB |
Output is correct |
2 |
Correct |
237 ms |
17048 KB |
Output is correct |
3 |
Correct |
223 ms |
19632 KB |
Output is correct |
4 |
Correct |
187 ms |
18520 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
155 ms |
9068 KB |
Output is correct |
2 |
Correct |
25 ms |
2800 KB |
Output is correct |
3 |
Correct |
51 ms |
5224 KB |
Output is correct |
4 |
Correct |
147 ms |
14492 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
87 ms |
4456 KB |
Output is correct |
2 |
Correct |
209 ms |
15968 KB |
Output is correct |
3 |
Correct |
137 ms |
9312 KB |
Output is correct |
4 |
Correct |
365 ms |
28628 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
111 ms |
6056 KB |
Output is correct |
2 |
Correct |
320 ms |
23268 KB |
Output is correct |
3 |
Correct |
92 ms |
8296 KB |
Output is correct |
4 |
Correct |
225 ms |
21592 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
245 ms |
14208 KB |
Output is correct |
2 |
Correct |
235 ms |
17280 KB |
Output is correct |
3 |
Correct |
196 ms |
13796 KB |
Output is correct |
4 |
Correct |
116 ms |
10396 KB |
Output is correct |