oj.uz

답안 #640739

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
640739 2022-09-15T07:19:41 Z ck_platypus Let's Win the Election (JOI22_ho_t3) C++14
10 / 100
 17 ms 328 KB 
#include <iostream>
#include <string>
#include <cmath>
#include <vector>
#include <algorithm>
#include <utility>
#include <bitset>
#include <climits>
#include <set>
#include <map>
#include <iomanip>
#include <queue>
#include <cstring>
#include <fstream>
using namespace std;
#define ll long long
#define pb push_back
#define mp make_pair
#define pll pair<ll, ll>
#define pii pair<int, int>
#define f first
#define s second
#define inf 1000000000000000
bool cmp2(pll a, pll b){
    return a.s<b.s;
}
bool cmp(pll a, pll b){
    return a.f<b.f;
}
int main(){
	ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	ll n, k;
    cin >> n >> k;
    pll arr[n];
    ll cnt=n;
    for(int i=0;i<n;i++) cin >> arr[i].f >> arr[i].s;
    for(int i=0;i<n;i++){
        if(arr[i].s==-1){
            arr[i].s=500000;
            cnt--;
        }
    }
    double ans=-1, cur;
    for(int i=0;i<min(cnt+1, k);i++){
        cur=0.0;
        sort(arr, arr+n, cmp2);
        for(int j=0;j<i;j++) cur+=double(arr[j].s)/double(j+1);
        sort(arr+i, arr+n, cmp);
        for(int j=i;j<k;j++) cur+=double(arr[j].f)/double(i+1);
        if(ans==-1) ans=cur;
        else ans=min(ans, cur);
    }
    cout << float(ans) << endl;
    return 0;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 4 ms 212 KB Output is correct
13 Correct 5 ms 212 KB Output is correct
14 Correct 3 ms 212 KB Output is correct
15 Correct 8 ms 324 KB Output is correct
16 Correct 9 ms 320 KB Output is correct
17 Correct 3 ms 212 KB Output is correct
18 Correct 9 ms 316 KB Output is correct
19 Correct 9 ms 212 KB Output is correct
20 Correct 3 ms 212 KB Output is correct

Subtask #3
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Incorrect 0 ms 212 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #4
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Incorrect 0 ms 212 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #5
0 / 33.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Incorrect 0 ms 212 KB Output isn't correct
10 Halted 0 ms 0 KB -

Subtask #6
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 17 ms 328 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 4 ms 212 KB Output is correct
13 Correct 5 ms 212 KB Output is correct
14 Correct 3 ms 212 KB Output is correct
15 Correct 8 ms 324 KB Output is correct
16 Correct 9 ms 320 KB Output is correct
17 Correct 3 ms 212 KB Output is correct
18 Correct 9 ms 316 KB Output is correct
19 Correct 9 ms 212 KB Output is correct
20 Correct 3 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Incorrect 0 ms 212 KB Output isn't correct
30 Halted 0 ms 0 KB -