oj.uz

답안 #222098

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
222098 2020-04-12T06:27:25 Z VEGAnn Kisik (COCI19_kisik) C++14
90 / 90
 371 ms 24988 KB 
#include <bits/stdc++.h>
#define pii pair<int,int>
#define ft first
#define sd second
using namespace std;
typedef long long ll;
const int N = 1000100;
const ll OO = 1e18;
priority_queue<int> st;
pii a[N];
int n, k;
ll sm = 0ll, ans = OO;

int main(){
    ios_base::sync_with_stdio(0); cin.tie(0);

//    freopen("in.txt","r",stdin);

    cin >> n >> k;

    for (int i = 0; i < n; i++)
        cin >> a[i].sd >> a[i].ft;

    sort(a, a + n);

    for (int i = 0; i < n; i++){
        st.push(a[i].sd);
        sm += a[i].sd;

        if (i >= k){
            sm -= st.top();
            st.pop();
        }

        if (i + 1 >= k)
            ans = min(ans, ll(a[i].ft) * sm);
    }

    cout << ans;

    return 0;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct

Subtask #5
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 112 ms 6672 KB Output is correct
2 Correct 268 ms 15964 KB Output is correct
3 Correct 223 ms 17388 KB Output is correct
4 Correct 201 ms 16364 KB Output is correct

Subtask #6
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 194 ms 10612 KB Output is correct
2 Correct 31 ms 2688 KB Output is correct
3 Correct 63 ms 4848 KB Output is correct
4 Correct 177 ms 12784 KB Output is correct

Subtask #7
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 96 ms 6772 KB Output is correct
2 Correct 214 ms 12024 KB Output is correct
3 Correct 155 ms 9080 KB Output is correct
4 Correct 355 ms 24988 KB Output is correct

Subtask #8
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 129 ms 8052 KB Output is correct
2 Correct 371 ms 21488 KB Output is correct
3 Correct 112 ms 7504 KB Output is correct
4 Correct 250 ms 18924 KB Output is correct

Subtask #9
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 269 ms 14968 KB Output is correct
2 Correct 239 ms 15600 KB Output is correct
3 Correct 194 ms 12784 KB Output is correct
4 Correct 114 ms 9328 KB Output is correct