oj.uz

Submission #1001991

# Submission time Handle Problem Language Result Execution time Memory
1001991 2024-06-19T09:01:17 Z vjudge1 Watermelon (INOI20_watermelon) C++17
7 / 100
 2000 ms 1996 KB 
#include <bits/stdc++.h>
using namespace std;
const int N = 1e5+10;
int n, k;
vector<int> simulate(vector<int> v) {
  vector<int> b(n+1, -1);
  vector<int> inv(n+1, -1);
  for(int i = 0;i<n;i++)inv[v[i]]=i+1;
  for(int i = 0;i<n;i++) {
    vector<int> er;
    for(int j = 0;j<(int)v.size()-1;j++) {
      if(v[j] < v[j+1]) {
        er.push_back(j);
      }
    }
    reverse(er.begin(), er.end());
    if(er.size() == 0)break;
    for(int j:er) {
      b[inv[v[j]]] = i+1; 
      v.erase(v.begin()+j);
    }
  }
  return b;
}
bool cmp(const vector<int> &A, const vector<int> &B) {
  for(int i = 1;i<=n;i++) {
    bool check=1;
    for(int j = 1;j<i;j++) {
      for(int x = 0;x<n;x++) {
        if(A[x] == j and B[x] != j)check=false;
      }
    }
    int y = 0, x = 0;
    for(y = 0;y<n;y++) {
      if(A[y] == i)break;
    }
    for(x = 0;x<n;x++) {
      if(B[x] == i)break;
    }
    if(y >= x)check=false;
    if(check)return 1;
  }
  return false;
}
int main () {
  cin.tie(0)->sync_with_stdio(0);
  cin >> n >> k;
  vector<int> b(n+1, -1);
  for(int i = 1;i<=n;i++)cin >> b[i];
  vector<int> ans(n);
  vector<vector<int>> res;
  iota(ans.begin(), ans.end(), 1);
  do {
    vector<int> bb = simulate(ans);
    if(bb == b){
      res.push_back(ans);
    }
  }while(next_permutation(ans.begin(), ans.end()));
  sort(res.begin(), res.end(), cmp);
  if(res.size() >= k) {
    for(int i:res[k-1])cout << i << " ";
    cout << "\n";
  }
  else cout << "-1\n";

}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:60:17: warning: comparison of integer expressions of different signedness: 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   60 |   if(res.size() >= k) {
      |      ~~~~~~~~~~~^~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 348 KB Output is correct
2 Correct 71 ms 452 KB Output is correct
3 Correct 790 ms 700 KB Output is correct
4 Correct 794 ms 344 KB Output is correct
5 Correct 791 ms 348 KB Output is correct
6 Correct 78 ms 348 KB Output is correct
7 Correct 798 ms 432 KB Output is correct
8 Correct 810 ms 432 KB Output is correct
9 Correct 76 ms 432 KB Output is correct
10 Correct 77 ms 348 KB Output is correct
11 Correct 8 ms 344 KB Output is correct
12 Correct 783 ms 444 KB Output is correct
13 Correct 835 ms 596 KB Output is correct
14 Correct 850 ms 344 KB Output is correct
15 Correct 755 ms 592 KB Output is correct
16 Correct 806 ms 432 KB Output is correct
17 Correct 817 ms 592 KB Output is correct
18 Correct 81 ms 468 KB Output is correct
19 Correct 886 ms 344 KB Output is correct
20 Correct 822 ms 344 KB Output is correct
21 Correct 786 ms 428 KB Output is correct
22 Correct 877 ms 432 KB Output is correct
23 Correct 826 ms 432 KB Output is correct
24 Correct 853 ms 436 KB Output is correct
25 Correct 880 ms 348 KB Output is correct
26 Correct 885 ms 436 KB Output is correct
27 Correct 893 ms 348 KB Output is correct
28 Correct 917 ms 428 KB Output is correct
29 Correct 889 ms 456 KB Output is correct
30 Correct 8 ms 348 KB Output is correct
31 Correct 10 ms 348 KB Output is correct
32 Correct 8 ms 348 KB Output is correct
33 Correct 9 ms 348 KB Output is correct

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 348 KB Output is correct
2 Correct 71 ms 452 KB Output is correct
3 Correct 790 ms 700 KB Output is correct
4 Correct 794 ms 344 KB Output is correct
5 Correct 791 ms 348 KB Output is correct
6 Correct 78 ms 348 KB Output is correct
7 Correct 798 ms 432 KB Output is correct
8 Correct 810 ms 432 KB Output is correct
9 Correct 76 ms 432 KB Output is correct
10 Correct 77 ms 348 KB Output is correct
11 Correct 8 ms 344 KB Output is correct
12 Correct 783 ms 444 KB Output is correct
13 Correct 835 ms 596 KB Output is correct
14 Correct 850 ms 344 KB Output is correct
15 Correct 755 ms 592 KB Output is correct
16 Correct 806 ms 432 KB Output is correct
17 Correct 817 ms 592 KB Output is correct
18 Correct 81 ms 468 KB Output is correct
19 Correct 886 ms 344 KB Output is correct
20 Correct 822 ms 344 KB Output is correct
21 Correct 786 ms 428 KB Output is correct
22 Correct 877 ms 432 KB Output is correct
23 Correct 826 ms 432 KB Output is correct
24 Correct 853 ms 436 KB Output is correct
25 Correct 880 ms 348 KB Output is correct
26 Correct 885 ms 436 KB Output is correct
27 Correct 893 ms 348 KB Output is correct
28 Correct 917 ms 428 KB Output is correct
29 Correct 889 ms 456 KB Output is correct
30 Correct 8 ms 348 KB Output is correct
31 Correct 10 ms 348 KB Output is correct
32 Correct 8 ms 348 KB Output is correct
33 Correct 9 ms 348 KB Output is correct
34 Execution timed out 2053 ms 348 KB Time limit exceeded
35 Halted 0 ms 0 KB -

Subtask #3
0 / 31.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2029 ms 1996 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2029 ms 1996 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 348 KB Output is correct
2 Correct 71 ms 452 KB Output is correct
3 Correct 790 ms 700 KB Output is correct
4 Correct 794 ms 344 KB Output is correct
5 Correct 791 ms 348 KB Output is correct
6 Correct 78 ms 348 KB Output is correct
7 Correct 798 ms 432 KB Output is correct
8 Correct 810 ms 432 KB Output is correct
9 Correct 76 ms 432 KB Output is correct
10 Correct 77 ms 348 KB Output is correct
11 Correct 8 ms 344 KB Output is correct
12 Correct 783 ms 444 KB Output is correct
13 Correct 835 ms 596 KB Output is correct
14 Correct 850 ms 344 KB Output is correct
15 Correct 755 ms 592 KB Output is correct
16 Correct 806 ms 432 KB Output is correct
17 Correct 817 ms 592 KB Output is correct
18 Correct 81 ms 468 KB Output is correct
19 Correct 886 ms 344 KB Output is correct
20 Correct 822 ms 344 KB Output is correct
21 Correct 786 ms 428 KB Output is correct
22 Correct 877 ms 432 KB Output is correct
23 Correct 826 ms 432 KB Output is correct
24 Correct 853 ms 436 KB Output is correct
25 Correct 880 ms 348 KB Output is correct
26 Correct 885 ms 436 KB Output is correct
27 Correct 893 ms 348 KB Output is correct
28 Correct 917 ms 428 KB Output is correct
29 Correct 889 ms 456 KB Output is correct
30 Correct 8 ms 348 KB Output is correct
31 Correct 10 ms 348 KB Output is correct
32 Correct 8 ms 348 KB Output is correct
33 Correct 9 ms 348 KB Output is correct
34 Execution timed out 2053 ms 348 KB Time limit exceeded
35 Halted 0 ms 0 KB -