oj.uz

Submission #785044

# Submission time Handle Problem Language Result Execution time Memory
785044 2023-07-17T01:27:59 Z gun_gan Let's Win the Election (JOI22_ho_t3) C++17
28 / 100
 2500 ms 324 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

const int MX = 505;

int N, K;
int a[MX], b[MX];

vector<pair<int, int>> v;

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

      cin >> N >> K;

      for(int i = 0; i < N; i++) {
            cin >> a[i] >> b[i];
      }

      double ans = 1e9;
      for(int i = 0; i < (1 << N); i++) {
            bool can = 1;
            for(int j = 0; j < N; j++) {
                  if((i >> j & 1) && b[j] == -1) can = 0;
            }

            if(!can) continue;

            double res = 0;
            int cnt = 1;

            vector<int> v;
            for(int j = 0; j < N; j++) {
                  if(i >> j & 1) v.push_back(b[j]);
            }

            sort(v.begin(), v.end());
            for(auto x : v) {
                  res += (double) x / cnt;
                  cnt++;
            }

            if(cnt > K) continue;

            v.clear();

            for(int j = 0; j < N; j++) {
                  if(!(i >> j & 1)) v.push_back(a[j]);
            }

            sort(v.begin(), v.end());

            for(int i = 0; i < K - cnt + 1; i++) {
                  res += (double) v[i] / cnt;
            }

            ans = min(ans, res);
      }

      cout << fixed << setprecision(10) << ans << '\n';

}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 631 ms 308 KB Output is correct
6 Correct 604 ms 308 KB Output is correct
7 Correct 606 ms 304 KB Output is correct
8 Correct 584 ms 312 KB Output is correct
9 Correct 589 ms 308 KB Output is correct
10 Correct 578 ms 304 KB Output is correct

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 631 ms 308 KB Output is correct
6 Correct 604 ms 308 KB Output is correct
7 Correct 606 ms 304 KB Output is correct
8 Correct 584 ms 312 KB Output is correct
9 Correct 589 ms 308 KB Output is correct
10 Correct 578 ms 304 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Execution timed out 2568 ms 212 KB Time limit exceeded
13 Halted 0 ms 0 KB -

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 1 ms 212 KB Output is correct
5 Correct 1 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 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 324 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 324 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 1 ms 212 KB Output is correct
5 Correct 1 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 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 324 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 324 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 327 ms 304 KB Output is correct
17 Correct 359 ms 300 KB Output is correct
18 Correct 104 ms 304 KB Output is correct
19 Correct 465 ms 300 KB Output is correct
20 Correct 93 ms 304 KB Output is correct
21 Correct 70 ms 304 KB Output is correct
22 Correct 466 ms 304 KB Output is correct
23 Correct 89 ms 304 KB Output is correct
24 Correct 65 ms 300 KB Output is correct
25 Correct 503 ms 308 KB Output is correct
26 Correct 171 ms 304 KB Output is correct
27 Correct 463 ms 300 KB Output is correct
28 Correct 487 ms 308 KB Output is correct
29 Correct 471 ms 308 KB Output is correct
30 Correct 476 ms 212 KB Output is correct
31 Correct 461 ms 300 KB Output is correct
32 Correct 482 ms 308 KB Output is correct
33 Correct 464 ms 312 KB Output is correct
34 Correct 500 ms 300 KB Output is correct
35 Correct 463 ms 304 KB Output is correct
36 Correct 493 ms 308 KB Output is correct
37 Correct 466 ms 300 KB Output is correct
38 Correct 469 ms 304 KB Output is correct
39 Correct 486 ms 212 KB Output is correct
40 Correct 472 ms 300 KB Output is correct

Subtask #5
0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 1 ms 212 KB Output is correct
5 Correct 1 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 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 324 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 324 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 327 ms 304 KB Output is correct
17 Correct 359 ms 300 KB Output is correct
18 Correct 104 ms 304 KB Output is correct
19 Correct 465 ms 300 KB Output is correct
20 Correct 93 ms 304 KB Output is correct
21 Correct 70 ms 304 KB Output is correct
22 Correct 466 ms 304 KB Output is correct
23 Correct 89 ms 304 KB Output is correct
24 Correct 65 ms 300 KB Output is correct
25 Correct 503 ms 308 KB Output is correct
26 Correct 171 ms 304 KB Output is correct
27 Correct 463 ms 300 KB Output is correct
28 Correct 487 ms 308 KB Output is correct
29 Correct 471 ms 308 KB Output is correct
30 Correct 476 ms 212 KB Output is correct
31 Correct 461 ms 300 KB Output is correct
32 Correct 482 ms 308 KB Output is correct
33 Correct 464 ms 312 KB Output is correct
34 Correct 500 ms 300 KB Output is correct
35 Correct 463 ms 304 KB Output is correct
36 Correct 493 ms 308 KB Output is correct
37 Correct 466 ms 300 KB Output is correct
38 Correct 469 ms 304 KB Output is correct
39 Correct 486 ms 212 KB Output is correct
40 Correct 472 ms 300 KB Output is correct
41 Incorrect 1 ms 212 KB Output isn't correct
42 Halted 0 ms 0 KB -

Subtask #6
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2571 ms 212 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #7
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 631 ms 308 KB Output is correct
6 Correct 604 ms 308 KB Output is correct
7 Correct 606 ms 304 KB Output is correct
8 Correct 584 ms 312 KB Output is correct
9 Correct 589 ms 308 KB Output is correct
10 Correct 578 ms 304 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Execution timed out 2568 ms 212 KB Time limit exceeded
13 Halted 0 ms 0 KB -