Submission #681998

# Submission time Handle Problem Language Result Execution time Memory
681998 2023-01-15T07:01:54 Z boykut Bootfall (IZhO17_bootfall) C++14
100 / 100
334 ms 3432 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 Without = 0; Without < n; Without++) {
    for (int x = 0; x <= sum; x++) {
      dp[x+a[Without]] -= dp[x];
    }
    for (int Tima = 1; Tima <= sum; Tima++) {
      if ((sum+a[Without]+Tima)%2 == 1 || dp[(sum-a[Without]+Tima)/2] == 0) {
        can[Tima] = 0;
      }
    }
    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:53:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   53 |   for (int i = 0; i < ans.size(); i++) {
      |                   ~~^~~~~~~~~~~~
# 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 0 ms 212 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
# 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 0 ms 212 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
# 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 0 ms 212 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 2 ms 328 KB Output is correct
25 Correct 3 ms 464 KB Output is correct
26 Correct 4 ms 468 KB Output is correct
27 Correct 3 ms 340 KB Output is correct
28 Correct 3 ms 340 KB Output is correct
29 Correct 3 ms 340 KB Output is correct
30 Correct 2 ms 340 KB Output is correct
31 Correct 3 ms 340 KB Output is correct
32 Correct 2 ms 468 KB Output is correct
33 Correct 3 ms 340 KB Output is correct
34 Correct 3 ms 332 KB Output is correct
35 Correct 3 ms 340 KB Output is correct
36 Correct 2 ms 340 KB Output is correct
# 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 0 ms 212 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 2 ms 328 KB Output is correct
25 Correct 3 ms 464 KB Output is correct
26 Correct 4 ms 468 KB Output is correct
27 Correct 3 ms 340 KB Output is correct
28 Correct 3 ms 340 KB Output is correct
29 Correct 3 ms 340 KB Output is correct
30 Correct 2 ms 340 KB Output is correct
31 Correct 3 ms 340 KB Output is correct
32 Correct 2 ms 468 KB Output is correct
33 Correct 3 ms 340 KB Output is correct
34 Correct 3 ms 332 KB Output is correct
35 Correct 3 ms 340 KB Output is correct
36 Correct 2 ms 340 KB Output is correct
37 Correct 12 ms 620 KB Output is correct
38 Correct 13 ms 624 KB Output is correct
39 Correct 41 ms 844 KB Output is correct
40 Correct 25 ms 708 KB Output is correct
41 Correct 55 ms 892 KB Output is correct
42 Correct 22 ms 688 KB Output is correct
43 Correct 38 ms 1100 KB Output is correct
44 Correct 41 ms 1032 KB Output is correct
45 Correct 41 ms 1052 KB Output is correct
46 Correct 25 ms 468 KB Output is correct
47 Correct 24 ms 708 KB Output is correct
48 Correct 43 ms 1052 KB Output is correct
49 Correct 43 ms 816 KB Output is correct
50 Correct 27 ms 716 KB Output is correct
51 Correct 5 ms 340 KB Output is correct
52 Correct 54 ms 1268 KB Output is correct
# 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 0 ms 212 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 2 ms 328 KB Output is correct
25 Correct 3 ms 464 KB Output is correct
26 Correct 4 ms 468 KB Output is correct
27 Correct 3 ms 340 KB Output is correct
28 Correct 3 ms 340 KB Output is correct
29 Correct 3 ms 340 KB Output is correct
30 Correct 2 ms 340 KB Output is correct
31 Correct 3 ms 340 KB Output is correct
32 Correct 2 ms 468 KB Output is correct
33 Correct 3 ms 340 KB Output is correct
34 Correct 3 ms 332 KB Output is correct
35 Correct 3 ms 340 KB Output is correct
36 Correct 2 ms 340 KB Output is correct
37 Correct 12 ms 620 KB Output is correct
38 Correct 13 ms 624 KB Output is correct
39 Correct 41 ms 844 KB Output is correct
40 Correct 25 ms 708 KB Output is correct
41 Correct 55 ms 892 KB Output is correct
42 Correct 22 ms 688 KB Output is correct
43 Correct 38 ms 1100 KB Output is correct
44 Correct 41 ms 1032 KB Output is correct
45 Correct 41 ms 1052 KB Output is correct
46 Correct 25 ms 468 KB Output is correct
47 Correct 24 ms 708 KB Output is correct
48 Correct 43 ms 1052 KB Output is correct
49 Correct 43 ms 816 KB Output is correct
50 Correct 27 ms 716 KB Output is correct
51 Correct 5 ms 340 KB Output is correct
52 Correct 54 ms 1268 KB Output is correct
53 Correct 49 ms 972 KB Output is correct
54 Correct 63 ms 1136 KB Output is correct
55 Correct 104 ms 1800 KB Output is correct
56 Correct 50 ms 1140 KB Output is correct
57 Correct 137 ms 1812 KB Output is correct
58 Correct 59 ms 1188 KB Output is correct
59 Correct 73 ms 1360 KB Output is correct
60 Correct 10 ms 468 KB Output is correct
61 Correct 83 ms 1500 KB Output is correct
62 Correct 84 ms 1588 KB Output is correct
63 Correct 98 ms 1656 KB Output is correct
64 Correct 93 ms 1636 KB Output is correct
65 Correct 42 ms 708 KB Output is correct
66 Correct 43 ms 744 KB Output is correct
# 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 0 ms 212 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 2 ms 328 KB Output is correct
25 Correct 3 ms 464 KB Output is correct
26 Correct 4 ms 468 KB Output is correct
27 Correct 3 ms 340 KB Output is correct
28 Correct 3 ms 340 KB Output is correct
29 Correct 3 ms 340 KB Output is correct
30 Correct 2 ms 340 KB Output is correct
31 Correct 3 ms 340 KB Output is correct
32 Correct 2 ms 468 KB Output is correct
33 Correct 3 ms 340 KB Output is correct
34 Correct 3 ms 332 KB Output is correct
35 Correct 3 ms 340 KB Output is correct
36 Correct 2 ms 340 KB Output is correct
37 Correct 12 ms 620 KB Output is correct
38 Correct 13 ms 624 KB Output is correct
39 Correct 41 ms 844 KB Output is correct
40 Correct 25 ms 708 KB Output is correct
41 Correct 55 ms 892 KB Output is correct
42 Correct 22 ms 688 KB Output is correct
43 Correct 38 ms 1100 KB Output is correct
44 Correct 41 ms 1032 KB Output is correct
45 Correct 41 ms 1052 KB Output is correct
46 Correct 25 ms 468 KB Output is correct
47 Correct 24 ms 708 KB Output is correct
48 Correct 43 ms 1052 KB Output is correct
49 Correct 43 ms 816 KB Output is correct
50 Correct 27 ms 716 KB Output is correct
51 Correct 5 ms 340 KB Output is correct
52 Correct 54 ms 1268 KB Output is correct
53 Correct 49 ms 972 KB Output is correct
54 Correct 63 ms 1136 KB Output is correct
55 Correct 104 ms 1800 KB Output is correct
56 Correct 50 ms 1140 KB Output is correct
57 Correct 137 ms 1812 KB Output is correct
58 Correct 59 ms 1188 KB Output is correct
59 Correct 73 ms 1360 KB Output is correct
60 Correct 10 ms 468 KB Output is correct
61 Correct 83 ms 1500 KB Output is correct
62 Correct 84 ms 1588 KB Output is correct
63 Correct 98 ms 1656 KB Output is correct
64 Correct 93 ms 1636 KB Output is correct
65 Correct 42 ms 708 KB Output is correct
66 Correct 43 ms 744 KB Output is correct
67 Correct 91 ms 1540 KB Output is correct
68 Correct 30 ms 736 KB Output is correct
69 Correct 293 ms 3208 KB Output is correct
70 Correct 172 ms 2120 KB Output is correct
71 Correct 187 ms 1976 KB Output is correct
72 Correct 161 ms 1300 KB Output is correct
73 Correct 162 ms 1296 KB Output is correct
74 Correct 300 ms 3240 KB Output is correct
75 Correct 229 ms 2716 KB Output is correct
76 Correct 334 ms 3380 KB Output is correct
77 Correct 326 ms 3432 KB Output is correct