oj.uz

Submission #890528

# Submission time Handle Problem Language Result Execution time Memory
890528 2023-12-21T12:03:19 Z irmuun Let's Win the Election (JOI22_ho_t3) C++17
28 / 100
 293 ms 600 KB 
#include<bits/stdc++.h>

using namespace std;

#define ll long long
#define pb push_back
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
#define rall(s) s.rbegin(),s.rend()

int main(){
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    ll n,k;
    cin>>n>>k;
    ll a[n+5],b[n+5],tot=1;
    for(ll i=1;i<=n;i++){
        cin>>a[i]>>b[i];
        if(n<=20){
            tot=tot*2;
        }
    }
    vector<ll>v1,v2;
    double ans=1e18;
    for(ll p=0;p<tot;p++){
        ll c=p;
        v1.clear();
        v2.clear();
        for(ll i=1;i<=n;i++){
            if(c%2==0){
                v1.pb(a[i]);
            }
            else{
                if(b[i]>-1){
                    v2.pb(b[i]);
                }
            }
            c/=2;
        }
        sort(all(v1));
        sort(all(v2));
        double cur=0;
        for(ll i=0;i<=min((ll)v2.size(),k);i++){
            if(i+v1.size()>=k){
                double T=0;
                for(ll j=0;j<k-i;j++){
                    T+=v1[j];
                }
                ans=min(ans,cur+(double)T/(i+1));
            }
            if(i<v2.size()){
                cur+=(double)v2[i]/(i+1);
            }
        }
    }
    printf("%.10f",ans);
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:44:27: warning: comparison of integer expressions of different signedness: 'long long unsigned int' and 'long long int' [-Wsign-compare]
   44 |             if(i+v1.size()>=k){
      |                ~~~~~~~~~~~^~~
Main.cpp:51:17: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   51 |             if(i<v2.size()){
      |                ~^~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Incorrect 1 ms 348 KB Output isn't correct
13 Halted 0 ms 0 KB -

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 600 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 600 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 249 ms 428 KB Output is correct
17 Correct 256 ms 428 KB Output is correct
18 Correct 228 ms 592 KB Output is correct
19 Correct 267 ms 348 KB Output is correct
20 Correct 261 ms 348 KB Output is correct
21 Correct 231 ms 348 KB Output is correct
22 Correct 260 ms 348 KB Output is correct
23 Correct 261 ms 432 KB Output is correct
24 Correct 247 ms 432 KB Output is correct
25 Correct 262 ms 432 KB Output is correct
26 Correct 242 ms 444 KB Output is correct
27 Correct 293 ms 428 KB Output is correct
28 Correct 262 ms 596 KB Output is correct
29 Correct 269 ms 432 KB Output is correct
30 Correct 262 ms 428 KB Output is correct
31 Correct 274 ms 440 KB Output is correct
32 Correct 260 ms 344 KB Output is correct
33 Correct 290 ms 348 KB Output is correct
34 Correct 268 ms 436 KB Output is correct
35 Correct 260 ms 432 KB Output is correct
36 Correct 274 ms 428 KB Output is correct
37 Correct 261 ms 592 KB Output is correct
38 Correct 257 ms 348 KB Output is correct
39 Correct 279 ms 432 KB Output is correct
40 Correct 273 ms 432 KB Output is correct

Subtask #5
0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 600 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 249 ms 428 KB Output is correct
17 Correct 256 ms 428 KB Output is correct
18 Correct 228 ms 592 KB Output is correct
19 Correct 267 ms 348 KB Output is correct
20 Correct 261 ms 348 KB Output is correct
21 Correct 231 ms 348 KB Output is correct
22 Correct 260 ms 348 KB Output is correct
23 Correct 261 ms 432 KB Output is correct
24 Correct 247 ms 432 KB Output is correct
25 Correct 262 ms 432 KB Output is correct
26 Correct 242 ms 444 KB Output is correct
27 Correct 293 ms 428 KB Output is correct
28 Correct 262 ms 596 KB Output is correct
29 Correct 269 ms 432 KB Output is correct
30 Correct 262 ms 428 KB Output is correct
31 Correct 274 ms 440 KB Output is correct
32 Correct 260 ms 344 KB Output is correct
33 Correct 290 ms 348 KB Output is correct
34 Correct 268 ms 436 KB Output is correct
35 Correct 260 ms 432 KB Output is correct
36 Correct 274 ms 428 KB Output is correct
37 Correct 261 ms 592 KB Output is correct
38 Correct 257 ms 348 KB Output is correct
39 Correct 279 ms 432 KB Output is correct
40 Correct 273 ms 432 KB Output is correct
41 Incorrect 0 ms 348 KB Output isn't correct
42 Halted 0 ms 0 KB -

Subtask #6
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Incorrect 1 ms 348 KB Output isn't correct
13 Halted 0 ms 0 KB -