oj.uz

답안 #682008

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
682008 2023-01-15T08:21:43 Z boykut Bootfall (IZhO17_bootfall) C++14
13 / 100
 1000 ms 340 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;
  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++) {
      fill(dp, dp+sum+1, 0);
      dp[0] = 1;
      for (int i = 0; i < n; i++) {
        for (int x = sum; x >= 0; x--) {
          if (i != Without)
            dp[x+a[i]] += dp[x];
        }
      }
      // a[Without] êàìåðà êàðìàï òóðàò
      if ((sum-a[Without]+Tima)%2 == 1 || dp[(sum-a[Without]+Tima)/2] == 0) {
        can[Tima] = 0;
        break;
      }
    }
    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:57:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   57 |   for (int i = 0; i < ans.size(); i++) {
      |                   ~~^~~~~~~~~~~~
bootfall.cpp:46:15: warning: 'sum' may be used uninitialized in this function [-Wmaybe-uninitialized]
   46 |       if ((sum-a[Without]+Tima)%2 == 1 || dp[(sum-a[Without]+Tima)/2] == 0) {
      |            ~~~^~~~~~~~~~~

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 7 ms 336 KB Output is correct
5 Correct 87 ms 316 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 2 ms 212 KB Output is correct
8 Correct 206 ms 340 KB Output is correct
9 Correct 10 ms 336 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 7 ms 336 KB Output is correct
5 Correct 87 ms 316 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 2 ms 212 KB Output is correct
8 Correct 206 ms 340 KB Output is correct
9 Correct 10 ms 336 KB Output is correct
10 Correct 54 ms 320 KB Output is correct
11 Correct 66 ms 312 KB Output is correct
12 Correct 14 ms 336 KB Output is correct
13 Correct 9 ms 332 KB Output is correct
14 Correct 94 ms 320 KB Output is correct
15 Correct 53 ms 212 KB Output is correct
16 Correct 75 ms 312 KB Output is correct
17 Correct 17 ms 212 KB Output is correct
18 Correct 34 ms 212 KB Output is correct
19 Correct 24 ms 340 KB Output is correct
20 Correct 58 ms 212 KB Output is correct

Subtask #3
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 7 ms 336 KB Output is correct
5 Correct 87 ms 316 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 2 ms 212 KB Output is correct
8 Correct 206 ms 340 KB Output is correct
9 Correct 10 ms 336 KB Output is correct
10 Correct 54 ms 320 KB Output is correct
11 Correct 66 ms 312 KB Output is correct
12 Correct 14 ms 336 KB Output is correct
13 Correct 9 ms 332 KB Output is correct
14 Correct 94 ms 320 KB Output is correct
15 Correct 53 ms 212 KB Output is correct
16 Correct 75 ms 312 KB Output is correct
17 Correct 17 ms 212 KB Output is correct
18 Correct 34 ms 212 KB Output is correct
19 Correct 24 ms 340 KB Output is correct
20 Correct 58 ms 212 KB Output is correct
21 Execution timed out 1092 ms 340 KB Time limit exceeded
22 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 7 ms 336 KB Output is correct
5 Correct 87 ms 316 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 2 ms 212 KB Output is correct
8 Correct 206 ms 340 KB Output is correct
9 Correct 10 ms 336 KB Output is correct
10 Correct 54 ms 320 KB Output is correct
11 Correct 66 ms 312 KB Output is correct
12 Correct 14 ms 336 KB Output is correct
13 Correct 9 ms 332 KB Output is correct
14 Correct 94 ms 320 KB Output is correct
15 Correct 53 ms 212 KB Output is correct
16 Correct 75 ms 312 KB Output is correct
17 Correct 17 ms 212 KB Output is correct
18 Correct 34 ms 212 KB Output is correct
19 Correct 24 ms 340 KB Output is correct
20 Correct 58 ms 212 KB Output is correct
21 Execution timed out 1092 ms 340 KB Time limit exceeded
22 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 7 ms 336 KB Output is correct
5 Correct 87 ms 316 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 2 ms 212 KB Output is correct
8 Correct 206 ms 340 KB Output is correct
9 Correct 10 ms 336 KB Output is correct
10 Correct 54 ms 320 KB Output is correct
11 Correct 66 ms 312 KB Output is correct
12 Correct 14 ms 336 KB Output is correct
13 Correct 9 ms 332 KB Output is correct
14 Correct 94 ms 320 KB Output is correct
15 Correct 53 ms 212 KB Output is correct
16 Correct 75 ms 312 KB Output is correct
17 Correct 17 ms 212 KB Output is correct
18 Correct 34 ms 212 KB Output is correct
19 Correct 24 ms 340 KB Output is correct
20 Correct 58 ms 212 KB Output is correct
21 Execution timed out 1092 ms 340 KB Time limit exceeded
22 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 7 ms 336 KB Output is correct
5 Correct 87 ms 316 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 2 ms 212 KB Output is correct
8 Correct 206 ms 340 KB Output is correct
9 Correct 10 ms 336 KB Output is correct
10 Correct 54 ms 320 KB Output is correct
11 Correct 66 ms 312 KB Output is correct
12 Correct 14 ms 336 KB Output is correct
13 Correct 9 ms 332 KB Output is correct
14 Correct 94 ms 320 KB Output is correct
15 Correct 53 ms 212 KB Output is correct
16 Correct 75 ms 312 KB Output is correct
17 Correct 17 ms 212 KB Output is correct
18 Correct 34 ms 212 KB Output is correct
19 Correct 24 ms 340 KB Output is correct
20 Correct 58 ms 212 KB Output is correct
21 Execution timed out 1092 ms 340 KB Time limit exceeded
22 Halted 0 ms 0 KB -