oj.uz

Submission #681996

# Submission time Handle Problem Language Result Execution time Memory
681996 2023-01-15T06:59:20 Z boykut Bootfall (IZhO17_bootfall) C++14
13 / 100
 1000 ms 344 KB 
#include <bits/stdc++.h>

using namespace std;

const int MAX = 600;
int dp[MAX*MAX], can[MAX*MAX];
int a[MAX];

int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  
  int n, sum = 0;
  cin >> n;
  for (int i = 0; i < n; i++) {
    cin >> a[i];
    sum += a[i];
  }
  
  dp[0] = 1;
  for (int i = 0; i < n; i++) {
    for (int x = sum; x >= 0; x--) {
      dp[x+a[i]] += dp[x];
    }
  }
  
  if (sum%2 == 1 || dp[sum/2] == 0) {
    return cout << 0, 0;
  }
  
  fill(can, can+sum+1, 1);
  vector<int> ans;
  for (int Tima = 1; Tima <= sum; Tima++) {
    
    for (int Without = 0; Without < n; Without++) {
      for (int x = 0; x <= sum; x++) {
        dp[x+a[Without]] -= dp[x];
      }
      for (int x = sum; x >= 0; x--) {
        dp[x+Tima] += dp[x];
      }
      if ((sum+a[Without]+Tima)%2 == 1 || dp[(sum-a[Without]+Tima)/2] == 0) {
        can[Tima] = 0;
      }
      for (int x = 0; x <= sum; x++) {
        dp[x+Tima] -= dp[x];
      }
      for (int x = sum; x >= 0; x--) {
        dp[x+a[Without]] += dp[x];
      } 
    }
    
  }
  
  for (int Tima = 1; Tima <= sum; Tima++) {
    if (can[Tima] == 1)
      ans.push_back(Tima);
  }
  
  cout << ans.size() << "\n";
  for (int i = 0; i < ans.size(); i++) {
    cout << ans[i] << " ";
  }
  
  return 0;
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:61:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   61 |   for (int i = 0; i < ans.size(); i++) {
      |                   ~~^~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory 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 8 ms 340 KB Output is correct
5 Correct 22 ms 340 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 59 ms 340 KB Output is correct
9 Correct 6 ms 340 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory 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 8 ms 340 KB Output is correct
5 Correct 22 ms 340 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 59 ms 340 KB Output is correct
9 Correct 6 ms 340 KB Output is correct
10 Correct 22 ms 212 KB Output is correct
11 Correct 5 ms 336 KB Output is correct
12 Correct 10 ms 212 KB Output is correct
13 Correct 4 ms 212 KB Output is correct
14 Correct 5 ms 340 KB Output is correct
15 Correct 4 ms 340 KB Output is correct
16 Correct 5 ms 340 KB Output is correct
17 Correct 2 ms 336 KB Output is correct
18 Correct 3 ms 212 KB Output is correct
19 Correct 2 ms 212 KB Output is correct
20 Correct 21 ms 212 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory 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 8 ms 340 KB Output is correct
5 Correct 22 ms 340 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 59 ms 340 KB Output is correct
9 Correct 6 ms 340 KB Output is correct
10 Correct 22 ms 212 KB Output is correct
11 Correct 5 ms 336 KB Output is correct
12 Correct 10 ms 212 KB Output is correct
13 Correct 4 ms 212 KB Output is correct
14 Correct 5 ms 340 KB Output is correct
15 Correct 4 ms 340 KB Output is correct
16 Correct 5 ms 340 KB Output is correct
17 Correct 2 ms 336 KB Output is correct
18 Correct 3 ms 212 KB Output is correct
19 Correct 2 ms 212 KB Output is correct
20 Correct 21 ms 212 KB Output is correct
21 Execution timed out 1086 ms 344 KB Time limit exceeded
22 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory 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 8 ms 340 KB Output is correct
5 Correct 22 ms 340 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 59 ms 340 KB Output is correct
9 Correct 6 ms 340 KB Output is correct
10 Correct 22 ms 212 KB Output is correct
11 Correct 5 ms 336 KB Output is correct
12 Correct 10 ms 212 KB Output is correct
13 Correct 4 ms 212 KB Output is correct
14 Correct 5 ms 340 KB Output is correct
15 Correct 4 ms 340 KB Output is correct
16 Correct 5 ms 340 KB Output is correct
17 Correct 2 ms 336 KB Output is correct
18 Correct 3 ms 212 KB Output is correct
19 Correct 2 ms 212 KB Output is correct
20 Correct 21 ms 212 KB Output is correct
21 Execution timed out 1086 ms 344 KB Time limit exceeded
22 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory 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 8 ms 340 KB Output is correct
5 Correct 22 ms 340 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 59 ms 340 KB Output is correct
9 Correct 6 ms 340 KB Output is correct
10 Correct 22 ms 212 KB Output is correct
11 Correct 5 ms 336 KB Output is correct
12 Correct 10 ms 212 KB Output is correct
13 Correct 4 ms 212 KB Output is correct
14 Correct 5 ms 340 KB Output is correct
15 Correct 4 ms 340 KB Output is correct
16 Correct 5 ms 340 KB Output is correct
17 Correct 2 ms 336 KB Output is correct
18 Correct 3 ms 212 KB Output is correct
19 Correct 2 ms 212 KB Output is correct
20 Correct 21 ms 212 KB Output is correct
21 Execution timed out 1086 ms 344 KB Time limit exceeded
22 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory 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 8 ms 340 KB Output is correct
5 Correct 22 ms 340 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 59 ms 340 KB Output is correct
9 Correct 6 ms 340 KB Output is correct
10 Correct 22 ms 212 KB Output is correct
11 Correct 5 ms 336 KB Output is correct
12 Correct 10 ms 212 KB Output is correct
13 Correct 4 ms 212 KB Output is correct
14 Correct 5 ms 340 KB Output is correct
15 Correct 4 ms 340 KB Output is correct
16 Correct 5 ms 340 KB Output is correct
17 Correct 2 ms 336 KB Output is correct
18 Correct 3 ms 212 KB Output is correct
19 Correct 2 ms 212 KB Output is correct
20 Correct 21 ms 212 KB Output is correct
21 Execution timed out 1086 ms 344 KB Time limit exceeded
22 Halted 0 ms 0 KB -