oj.uz

Submission #343379

# Submission time Handle Problem Language Result Execution time Memory
343379 2021-01-03T19:55:00 Z Kalashnikov Bootfall (IZhO17_bootfall) C++17
65 / 100
 1000 ms 6896 KB 
#include <bits/stdc++.h>
 
#define ios ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define file(s) if (fopen(s".in", "r")) freopen(s".in", "r", stdin), freopen(s".out", "w", stdout)
#define all(a) a.begin() , a.end()
#define F first
#define S second
 
using namespace std;
using ll = long long;
 
const int N = 500+5 , inf = 2e9 + 7;
const ll INF = 1e18 ,   mod = 1e9+7 , P = 6547;

int a[N];

bitset<350*350> dp[N];

void solve() {
	int n;
	cin >> n;
	int sum = 0;
	for(int i = 1; i <= n; i ++) {
		cin >> a[i];
		sum += a[i];
	}
	for(int i = 0; i <= n; i ++) {
		for(int j = 1; j <= n; j ++) {
			if(i == j) continue;
			dp[i] = (dp[i] | (dp[i] << a[j]));
			dp[i][a[j]] = 1;
		}
	}
	if(sum%2 || !dp[0][sum/2]) {
		cout << 0;
		return;
	}
	vector<int> ans;
	for(int i = 0; i <= sum; i ++) {
		int ok = 1;
		for(int j = 1; j <= n; j ++) {
			int cur = sum-a[j]+i;
			if(cur%2 || !dp[j][cur/2]) {
				ok = 0;
				break;
			}
		}
		if(ok) ans.push_back(i);
	}
	cout << ans.size() << '\n';
	for(auto to: ans) {
		cout << to << ' ';
	}
}
/*
5 5 5 5  15

*/
main() {
	file("subsequence");
    ios;
    int tt = 1;
    //cin >> tt;
    while(tt --) {
        solve();
    }
    return 0;
}

Compilation message

bootfall.cpp:59:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   59 | main() {
      |      ^
bootfall.cpp: In function 'int main()':
bootfall.cpp:4:48: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
    4 | #define file(s) if (fopen(s".in", "r")) freopen(s".in", "r", stdin), freopen(s".out", "w", stdout)
      |                                         ~~~~~~~^~~~~~~~~~~~~~~~~~~~
bootfall.cpp:60:2: note: in expansion of macro 'file'
   60 |  file("subsequence");
      |  ^~~~
bootfall.cpp:4:77: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
    4 | #define file(s) if (fopen(s".in", "r")) freopen(s".in", "r", stdin), freopen(s".out", "w", stdout)
      |                                                                      ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
bootfall.cpp:60:2: note: in expansion of macro 'file'
   60 |  file("subsequence");
      |  ^~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 512 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 1 ms 620 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 620 KB Output is correct
9 Correct 1 ms 492 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 512 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 1 ms 620 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 620 KB Output is correct
9 Correct 1 ms 492 KB Output is correct
10 Correct 6 ms 876 KB Output is correct
11 Correct 6 ms 876 KB Output is correct
12 Correct 6 ms 876 KB Output is correct
13 Correct 4 ms 748 KB Output is correct
14 Correct 5 ms 748 KB Output is correct
15 Correct 5 ms 748 KB Output is correct
16 Correct 6 ms 876 KB Output is correct
17 Correct 2 ms 620 KB Output is correct
18 Correct 4 ms 748 KB Output is correct
19 Correct 4 ms 748 KB Output is correct
20 Correct 6 ms 876 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 512 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 1 ms 620 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 620 KB Output is correct
9 Correct 1 ms 492 KB Output is correct
10 Correct 6 ms 876 KB Output is correct
11 Correct 6 ms 876 KB Output is correct
12 Correct 6 ms 876 KB Output is correct
13 Correct 4 ms 748 KB Output is correct
14 Correct 5 ms 748 KB Output is correct
15 Correct 5 ms 748 KB Output is correct
16 Correct 6 ms 876 KB Output is correct
17 Correct 2 ms 620 KB Output is correct
18 Correct 4 ms 748 KB Output is correct
19 Correct 4 ms 748 KB Output is correct
20 Correct 6 ms 876 KB Output is correct
21 Correct 23 ms 1388 KB Output is correct
22 Correct 31 ms 1516 KB Output is correct
23 Correct 15 ms 1132 KB Output is correct
24 Correct 49 ms 1772 KB Output is correct
25 Correct 53 ms 1900 KB Output is correct
26 Correct 59 ms 1900 KB Output is correct
27 Correct 55 ms 1900 KB Output is correct
28 Correct 55 ms 1900 KB Output is correct
29 Correct 54 ms 1900 KB Output is correct
30 Correct 54 ms 1900 KB Output is correct
31 Correct 56 ms 2028 KB Output is correct
32 Correct 55 ms 1900 KB Output is correct
33 Correct 54 ms 1900 KB Output is correct
34 Correct 54 ms 1900 KB Output is correct
35 Correct 56 ms 2048 KB Output is correct
36 Correct 55 ms 1900 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 512 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 1 ms 620 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 620 KB Output is correct
9 Correct 1 ms 492 KB Output is correct
10 Correct 6 ms 876 KB Output is correct
11 Correct 6 ms 876 KB Output is correct
12 Correct 6 ms 876 KB Output is correct
13 Correct 4 ms 748 KB Output is correct
14 Correct 5 ms 748 KB Output is correct
15 Correct 5 ms 748 KB Output is correct
16 Correct 6 ms 876 KB Output is correct
17 Correct 2 ms 620 KB Output is correct
18 Correct 4 ms 748 KB Output is correct
19 Correct 4 ms 748 KB Output is correct
20 Correct 6 ms 876 KB Output is correct
21 Correct 23 ms 1388 KB Output is correct
22 Correct 31 ms 1516 KB Output is correct
23 Correct 15 ms 1132 KB Output is correct
24 Correct 49 ms 1772 KB Output is correct
25 Correct 53 ms 1900 KB Output is correct
26 Correct 59 ms 1900 KB Output is correct
27 Correct 55 ms 1900 KB Output is correct
28 Correct 55 ms 1900 KB Output is correct
29 Correct 54 ms 1900 KB Output is correct
30 Correct 54 ms 1900 KB Output is correct
31 Correct 56 ms 2028 KB Output is correct
32 Correct 55 ms 1900 KB Output is correct
33 Correct 54 ms 1900 KB Output is correct
34 Correct 54 ms 1900 KB Output is correct
35 Correct 56 ms 2048 KB Output is correct
36 Correct 55 ms 1900 KB Output is correct
37 Correct 217 ms 3564 KB Output is correct
38 Correct 218 ms 3564 KB Output is correct
39 Correct 328 ms 4204 KB Output is correct
40 Correct 402 ms 4588 KB Output is correct
41 Correct 386 ms 4588 KB Output is correct
42 Correct 342 ms 4332 KB Output is correct
43 Correct 333 ms 4588 KB Output is correct
44 Correct 344 ms 4588 KB Output is correct
45 Correct 351 ms 4716 KB Output is correct
46 Correct 382 ms 4460 KB Output is correct
47 Correct 346 ms 4588 KB Output is correct
48 Correct 345 ms 4460 KB Output is correct
49 Correct 342 ms 4460 KB Output is correct
50 Correct 342 ms 4460 KB Output is correct
51 Correct 333 ms 4204 KB Output is correct
52 Correct 410 ms 4844 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 512 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 1 ms 620 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 620 KB Output is correct
9 Correct 1 ms 492 KB Output is correct
10 Correct 6 ms 876 KB Output is correct
11 Correct 6 ms 876 KB Output is correct
12 Correct 6 ms 876 KB Output is correct
13 Correct 4 ms 748 KB Output is correct
14 Correct 5 ms 748 KB Output is correct
15 Correct 5 ms 748 KB Output is correct
16 Correct 6 ms 876 KB Output is correct
17 Correct 2 ms 620 KB Output is correct
18 Correct 4 ms 748 KB Output is correct
19 Correct 4 ms 748 KB Output is correct
20 Correct 6 ms 876 KB Output is correct
21 Correct 23 ms 1388 KB Output is correct
22 Correct 31 ms 1516 KB Output is correct
23 Correct 15 ms 1132 KB Output is correct
24 Correct 49 ms 1772 KB Output is correct
25 Correct 53 ms 1900 KB Output is correct
26 Correct 59 ms 1900 KB Output is correct
27 Correct 55 ms 1900 KB Output is correct
28 Correct 55 ms 1900 KB Output is correct
29 Correct 54 ms 1900 KB Output is correct
30 Correct 54 ms 1900 KB Output is correct
31 Correct 56 ms 2028 KB Output is correct
32 Correct 55 ms 1900 KB Output is correct
33 Correct 54 ms 1900 KB Output is correct
34 Correct 54 ms 1900 KB Output is correct
35 Correct 56 ms 2048 KB Output is correct
36 Correct 55 ms 1900 KB Output is correct
37 Correct 217 ms 3564 KB Output is correct
38 Correct 218 ms 3564 KB Output is correct
39 Correct 328 ms 4204 KB Output is correct
40 Correct 402 ms 4588 KB Output is correct
41 Correct 386 ms 4588 KB Output is correct
42 Correct 342 ms 4332 KB Output is correct
43 Correct 333 ms 4588 KB Output is correct
44 Correct 344 ms 4588 KB Output is correct
45 Correct 351 ms 4716 KB Output is correct
46 Correct 382 ms 4460 KB Output is correct
47 Correct 346 ms 4588 KB Output is correct
48 Correct 345 ms 4460 KB Output is correct
49 Correct 342 ms 4460 KB Output is correct
50 Correct 342 ms 4460 KB Output is correct
51 Correct 333 ms 4204 KB Output is correct
52 Correct 410 ms 4844 KB Output is correct
53 Correct 499 ms 5228 KB Output is correct
54 Correct 685 ms 6252 KB Output is correct
55 Correct 706 ms 6512 KB Output is correct
56 Correct 524 ms 5484 KB Output is correct
57 Correct 707 ms 6356 KB Output is correct
58 Correct 686 ms 6124 KB Output is correct
59 Correct 693 ms 6220 KB Output is correct
60 Correct 654 ms 5740 KB Output is correct
61 Correct 695 ms 6196 KB Output is correct
62 Correct 588 ms 5840 KB Output is correct
63 Correct 594 ms 5744 KB Output is correct
64 Correct 571 ms 5696 KB Output is correct
65 Correct 535 ms 5156 KB Output is correct
66 Correct 514 ms 5148 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 512 KB Output is correct
2 Correct 1 ms 492 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 1 ms 620 KB Output is correct
6 Correct 1 ms 492 KB Output is correct
7 Correct 1 ms 492 KB Output is correct
8 Correct 1 ms 620 KB Output is correct
9 Correct 1 ms 492 KB Output is correct
10 Correct 6 ms 876 KB Output is correct
11 Correct 6 ms 876 KB Output is correct
12 Correct 6 ms 876 KB Output is correct
13 Correct 4 ms 748 KB Output is correct
14 Correct 5 ms 748 KB Output is correct
15 Correct 5 ms 748 KB Output is correct
16 Correct 6 ms 876 KB Output is correct
17 Correct 2 ms 620 KB Output is correct
18 Correct 4 ms 748 KB Output is correct
19 Correct 4 ms 748 KB Output is correct
20 Correct 6 ms 876 KB Output is correct
21 Correct 23 ms 1388 KB Output is correct
22 Correct 31 ms 1516 KB Output is correct
23 Correct 15 ms 1132 KB Output is correct
24 Correct 49 ms 1772 KB Output is correct
25 Correct 53 ms 1900 KB Output is correct
26 Correct 59 ms 1900 KB Output is correct
27 Correct 55 ms 1900 KB Output is correct
28 Correct 55 ms 1900 KB Output is correct
29 Correct 54 ms 1900 KB Output is correct
30 Correct 54 ms 1900 KB Output is correct
31 Correct 56 ms 2028 KB Output is correct
32 Correct 55 ms 1900 KB Output is correct
33 Correct 54 ms 1900 KB Output is correct
34 Correct 54 ms 1900 KB Output is correct
35 Correct 56 ms 2048 KB Output is correct
36 Correct 55 ms 1900 KB Output is correct
37 Correct 217 ms 3564 KB Output is correct
38 Correct 218 ms 3564 KB Output is correct
39 Correct 328 ms 4204 KB Output is correct
40 Correct 402 ms 4588 KB Output is correct
41 Correct 386 ms 4588 KB Output is correct
42 Correct 342 ms 4332 KB Output is correct
43 Correct 333 ms 4588 KB Output is correct
44 Correct 344 ms 4588 KB Output is correct
45 Correct 351 ms 4716 KB Output is correct
46 Correct 382 ms 4460 KB Output is correct
47 Correct 346 ms 4588 KB Output is correct
48 Correct 345 ms 4460 KB Output is correct
49 Correct 342 ms 4460 KB Output is correct
50 Correct 342 ms 4460 KB Output is correct
51 Correct 333 ms 4204 KB Output is correct
52 Correct 410 ms 4844 KB Output is correct
53 Correct 499 ms 5228 KB Output is correct
54 Correct 685 ms 6252 KB Output is correct
55 Correct 706 ms 6512 KB Output is correct
56 Correct 524 ms 5484 KB Output is correct
57 Correct 707 ms 6356 KB Output is correct
58 Correct 686 ms 6124 KB Output is correct
59 Correct 693 ms 6220 KB Output is correct
60 Correct 654 ms 5740 KB Output is correct
61 Correct 695 ms 6196 KB Output is correct
62 Correct 588 ms 5840 KB Output is correct
63 Correct 594 ms 5744 KB Output is correct
64 Correct 571 ms 5696 KB Output is correct
65 Correct 535 ms 5156 KB Output is correct
66 Correct 514 ms 5148 KB Output is correct
67 Correct 893 ms 6896 KB Output is correct
68 Execution timed out 1054 ms 6764 KB Time limit exceeded
69 Halted 0 ms 0 KB -