답안 #343378

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
343378 2021-01-03T19:49:10 Z Kalashnikov Bootfall (IZhO17_bootfall) C++17
44 / 100
1000 ms 10236 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<250010> 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");
      |  ^~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 620 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 4 ms 748 KB Output is correct
6 Correct 1 ms 620 KB Output is correct
7 Correct 1 ms 620 KB Output is correct
8 Correct 2 ms 748 KB Output is correct
9 Correct 2 ms 748 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 620 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 4 ms 748 KB Output is correct
6 Correct 1 ms 620 KB Output is correct
7 Correct 1 ms 620 KB Output is correct
8 Correct 2 ms 748 KB Output is correct
9 Correct 2 ms 748 KB Output is correct
10 Correct 11 ms 1388 KB Output is correct
11 Correct 11 ms 1388 KB Output is correct
12 Correct 15 ms 1388 KB Output is correct
13 Correct 9 ms 1260 KB Output is correct
14 Correct 10 ms 1260 KB Output is correct
15 Correct 10 ms 1260 KB Output is correct
16 Correct 11 ms 1388 KB Output is correct
17 Correct 4 ms 1004 KB Output is correct
18 Correct 7 ms 1132 KB Output is correct
19 Correct 8 ms 1280 KB Output is correct
20 Correct 11 ms 1388 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 620 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 4 ms 748 KB Output is correct
6 Correct 1 ms 620 KB Output is correct
7 Correct 1 ms 620 KB Output is correct
8 Correct 2 ms 748 KB Output is correct
9 Correct 2 ms 748 KB Output is correct
10 Correct 11 ms 1388 KB Output is correct
11 Correct 11 ms 1388 KB Output is correct
12 Correct 15 ms 1388 KB Output is correct
13 Correct 9 ms 1260 KB Output is correct
14 Correct 10 ms 1260 KB Output is correct
15 Correct 10 ms 1260 KB Output is correct
16 Correct 11 ms 1388 KB Output is correct
17 Correct 4 ms 1004 KB Output is correct
18 Correct 7 ms 1132 KB Output is correct
19 Correct 8 ms 1280 KB Output is correct
20 Correct 11 ms 1388 KB Output is correct
21 Correct 51 ms 2472 KB Output is correct
22 Correct 62 ms 2796 KB Output is correct
23 Correct 30 ms 2028 KB Output is correct
24 Correct 99 ms 3308 KB Output is correct
25 Correct 98 ms 3436 KB Output is correct
26 Correct 111 ms 3584 KB Output is correct
27 Correct 112 ms 3584 KB Output is correct
28 Correct 111 ms 3564 KB Output is correct
29 Correct 110 ms 3436 KB Output is correct
30 Correct 109 ms 3436 KB Output is correct
31 Correct 113 ms 3564 KB Output is correct
32 Correct 110 ms 3564 KB Output is correct
33 Correct 109 ms 3436 KB Output is correct
34 Correct 112 ms 3436 KB Output is correct
35 Correct 110 ms 3564 KB Output is correct
36 Correct 111 ms 3564 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 620 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 4 ms 748 KB Output is correct
6 Correct 1 ms 620 KB Output is correct
7 Correct 1 ms 620 KB Output is correct
8 Correct 2 ms 748 KB Output is correct
9 Correct 2 ms 748 KB Output is correct
10 Correct 11 ms 1388 KB Output is correct
11 Correct 11 ms 1388 KB Output is correct
12 Correct 15 ms 1388 KB Output is correct
13 Correct 9 ms 1260 KB Output is correct
14 Correct 10 ms 1260 KB Output is correct
15 Correct 10 ms 1260 KB Output is correct
16 Correct 11 ms 1388 KB Output is correct
17 Correct 4 ms 1004 KB Output is correct
18 Correct 7 ms 1132 KB Output is correct
19 Correct 8 ms 1280 KB Output is correct
20 Correct 11 ms 1388 KB Output is correct
21 Correct 51 ms 2472 KB Output is correct
22 Correct 62 ms 2796 KB Output is correct
23 Correct 30 ms 2028 KB Output is correct
24 Correct 99 ms 3308 KB Output is correct
25 Correct 98 ms 3436 KB Output is correct
26 Correct 111 ms 3584 KB Output is correct
27 Correct 112 ms 3584 KB Output is correct
28 Correct 111 ms 3564 KB Output is correct
29 Correct 110 ms 3436 KB Output is correct
30 Correct 109 ms 3436 KB Output is correct
31 Correct 113 ms 3564 KB Output is correct
32 Correct 110 ms 3564 KB Output is correct
33 Correct 109 ms 3436 KB Output is correct
34 Correct 112 ms 3436 KB Output is correct
35 Correct 110 ms 3564 KB Output is correct
36 Correct 111 ms 3564 KB Output is correct
37 Correct 441 ms 6764 KB Output is correct
38 Correct 448 ms 6764 KB Output is correct
39 Correct 672 ms 8044 KB Output is correct
40 Correct 809 ms 9004 KB Output is correct
41 Correct 798 ms 8812 KB Output is correct
42 Correct 690 ms 8300 KB Output is correct
43 Correct 664 ms 8300 KB Output is correct
44 Correct 694 ms 8556 KB Output is correct
45 Correct 700 ms 8684 KB Output is correct
46 Correct 787 ms 8812 KB Output is correct
47 Correct 690 ms 8300 KB Output is correct
48 Correct 698 ms 8556 KB Output is correct
49 Correct 680 ms 8172 KB Output is correct
50 Correct 711 ms 8384 KB Output is correct
51 Correct 681 ms 8300 KB Output is correct
52 Correct 818 ms 9196 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 620 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 4 ms 748 KB Output is correct
6 Correct 1 ms 620 KB Output is correct
7 Correct 1 ms 620 KB Output is correct
8 Correct 2 ms 748 KB Output is correct
9 Correct 2 ms 748 KB Output is correct
10 Correct 11 ms 1388 KB Output is correct
11 Correct 11 ms 1388 KB Output is correct
12 Correct 15 ms 1388 KB Output is correct
13 Correct 9 ms 1260 KB Output is correct
14 Correct 10 ms 1260 KB Output is correct
15 Correct 10 ms 1260 KB Output is correct
16 Correct 11 ms 1388 KB Output is correct
17 Correct 4 ms 1004 KB Output is correct
18 Correct 7 ms 1132 KB Output is correct
19 Correct 8 ms 1280 KB Output is correct
20 Correct 11 ms 1388 KB Output is correct
21 Correct 51 ms 2472 KB Output is correct
22 Correct 62 ms 2796 KB Output is correct
23 Correct 30 ms 2028 KB Output is correct
24 Correct 99 ms 3308 KB Output is correct
25 Correct 98 ms 3436 KB Output is correct
26 Correct 111 ms 3584 KB Output is correct
27 Correct 112 ms 3584 KB Output is correct
28 Correct 111 ms 3564 KB Output is correct
29 Correct 110 ms 3436 KB Output is correct
30 Correct 109 ms 3436 KB Output is correct
31 Correct 113 ms 3564 KB Output is correct
32 Correct 110 ms 3564 KB Output is correct
33 Correct 109 ms 3436 KB Output is correct
34 Correct 112 ms 3436 KB Output is correct
35 Correct 110 ms 3564 KB Output is correct
36 Correct 111 ms 3564 KB Output is correct
37 Correct 441 ms 6764 KB Output is correct
38 Correct 448 ms 6764 KB Output is correct
39 Correct 672 ms 8044 KB Output is correct
40 Correct 809 ms 9004 KB Output is correct
41 Correct 798 ms 8812 KB Output is correct
42 Correct 690 ms 8300 KB Output is correct
43 Correct 664 ms 8300 KB Output is correct
44 Correct 694 ms 8556 KB Output is correct
45 Correct 700 ms 8684 KB Output is correct
46 Correct 787 ms 8812 KB Output is correct
47 Correct 690 ms 8300 KB Output is correct
48 Correct 698 ms 8556 KB Output is correct
49 Correct 680 ms 8172 KB Output is correct
50 Correct 711 ms 8384 KB Output is correct
51 Correct 681 ms 8300 KB Output is correct
52 Correct 818 ms 9196 KB Output is correct
53 Execution timed out 1000 ms 10236 KB Time limit exceeded
54 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 492 KB Output is correct
2 Correct 1 ms 620 KB Output is correct
3 Correct 1 ms 492 KB Output is correct
4 Correct 1 ms 492 KB Output is correct
5 Correct 4 ms 748 KB Output is correct
6 Correct 1 ms 620 KB Output is correct
7 Correct 1 ms 620 KB Output is correct
8 Correct 2 ms 748 KB Output is correct
9 Correct 2 ms 748 KB Output is correct
10 Correct 11 ms 1388 KB Output is correct
11 Correct 11 ms 1388 KB Output is correct
12 Correct 15 ms 1388 KB Output is correct
13 Correct 9 ms 1260 KB Output is correct
14 Correct 10 ms 1260 KB Output is correct
15 Correct 10 ms 1260 KB Output is correct
16 Correct 11 ms 1388 KB Output is correct
17 Correct 4 ms 1004 KB Output is correct
18 Correct 7 ms 1132 KB Output is correct
19 Correct 8 ms 1280 KB Output is correct
20 Correct 11 ms 1388 KB Output is correct
21 Correct 51 ms 2472 KB Output is correct
22 Correct 62 ms 2796 KB Output is correct
23 Correct 30 ms 2028 KB Output is correct
24 Correct 99 ms 3308 KB Output is correct
25 Correct 98 ms 3436 KB Output is correct
26 Correct 111 ms 3584 KB Output is correct
27 Correct 112 ms 3584 KB Output is correct
28 Correct 111 ms 3564 KB Output is correct
29 Correct 110 ms 3436 KB Output is correct
30 Correct 109 ms 3436 KB Output is correct
31 Correct 113 ms 3564 KB Output is correct
32 Correct 110 ms 3564 KB Output is correct
33 Correct 109 ms 3436 KB Output is correct
34 Correct 112 ms 3436 KB Output is correct
35 Correct 110 ms 3564 KB Output is correct
36 Correct 111 ms 3564 KB Output is correct
37 Correct 441 ms 6764 KB Output is correct
38 Correct 448 ms 6764 KB Output is correct
39 Correct 672 ms 8044 KB Output is correct
40 Correct 809 ms 9004 KB Output is correct
41 Correct 798 ms 8812 KB Output is correct
42 Correct 690 ms 8300 KB Output is correct
43 Correct 664 ms 8300 KB Output is correct
44 Correct 694 ms 8556 KB Output is correct
45 Correct 700 ms 8684 KB Output is correct
46 Correct 787 ms 8812 KB Output is correct
47 Correct 690 ms 8300 KB Output is correct
48 Correct 698 ms 8556 KB Output is correct
49 Correct 680 ms 8172 KB Output is correct
50 Correct 711 ms 8384 KB Output is correct
51 Correct 681 ms 8300 KB Output is correct
52 Correct 818 ms 9196 KB Output is correct
53 Execution timed out 1000 ms 10236 KB Time limit exceeded
54 Halted 0 ms 0 KB -