Submission #36160

# Submission time Handle Problem Language Result Execution time Memory
36160 2017-12-06T05:21:25 Z cheater2k Bootfall (IZhO17_bootfall) C++14
65 / 100
1000 ms 5164 KB
#include <bits/stdc++.h>
using namespace std;

const int N = 505;
const int MAX = N * N;
const int md = 1e9 + 123;

int n, a[N];
int sum;
int dp[MAX]; // knapsack
int tmp[MAX]; // for solve(pos)
int check[MAX];

void solve(int pos) {
	for (int i = 0; i <= sum; ++i) tmp[i] = dp[i];
	for (int i = 0; i <= sum; ++i) {
		// we do not use a[pos]
		if (i >= a[pos]) {
			tmp[i] -= tmp[i - a[pos]];
			if (tmp[i] < 0) tmp[i] += md;
		}
	}
	for (int i = 0; i <= sum; ++i) {
		if (tmp[i] != 0 && a[pos] + 2 * i - sum >= 0) 
			check[a[pos] + 2 * i - sum]++;
	}
}

int main() {
	ios_base::sync_with_stdio(false); cin.tie(0);
	cin >> n;
	for (int i = 1; i <= n; ++i) cin >> a[i];

	// prepare KNAPSACK
	dp[0] = 1;
	for (int i = 1; i <= n; ++i) {
		sum += a[i];
		for (int j = sum; j >= a[i]; --j) {
			dp[j] += dp[j - a[i]];
			dp[j] %= md;
		}
	}

	if ((sum & 1) || (dp[sum / 2] == 0)) return printf("0\n"), 0; // invalid

	for (int i = 1; i <= n; ++i) solve(i);

	int cnt = 0;
	for (int i = 1; i <= sum; ++i) if (check[i] == n) ++cnt;
	printf("%d\n", cnt);
	for (int i = 1; i <= sum; ++i) if (check[i] == n) printf("%d ", i); printf("\n");
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 5164 KB Output is correct
2 Correct 0 ms 5164 KB Output is correct
3 Correct 0 ms 5164 KB Output is correct
4 Correct 0 ms 5164 KB Output is correct
5 Correct 0 ms 5164 KB Output is correct
6 Correct 0 ms 5164 KB Output is correct
7 Correct 0 ms 5164 KB Output is correct
8 Correct 0 ms 5164 KB Output is correct
9 Correct 0 ms 5164 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 5164 KB Output is correct
2 Correct 0 ms 5164 KB Output is correct
3 Correct 0 ms 5164 KB Output is correct
4 Correct 0 ms 5164 KB Output is correct
5 Correct 0 ms 5164 KB Output is correct
6 Correct 0 ms 5164 KB Output is correct
7 Correct 0 ms 5164 KB Output is correct
8 Correct 0 ms 5164 KB Output is correct
9 Correct 0 ms 5164 KB Output is correct
10 Correct 0 ms 5164 KB Output is correct
11 Correct 0 ms 5164 KB Output is correct
12 Correct 0 ms 5164 KB Output is correct
13 Correct 0 ms 5164 KB Output is correct
14 Correct 0 ms 5164 KB Output is correct
15 Correct 0 ms 5164 KB Output is correct
16 Correct 0 ms 5164 KB Output is correct
17 Correct 0 ms 5164 KB Output is correct
18 Correct 0 ms 5164 KB Output is correct
19 Correct 0 ms 5164 KB Output is correct
20 Correct 0 ms 5164 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 5164 KB Output is correct
2 Correct 0 ms 5164 KB Output is correct
3 Correct 0 ms 5164 KB Output is correct
4 Correct 0 ms 5164 KB Output is correct
5 Correct 0 ms 5164 KB Output is correct
6 Correct 0 ms 5164 KB Output is correct
7 Correct 0 ms 5164 KB Output is correct
8 Correct 0 ms 5164 KB Output is correct
9 Correct 0 ms 5164 KB Output is correct
10 Correct 0 ms 5164 KB Output is correct
11 Correct 0 ms 5164 KB Output is correct
12 Correct 0 ms 5164 KB Output is correct
13 Correct 0 ms 5164 KB Output is correct
14 Correct 0 ms 5164 KB Output is correct
15 Correct 0 ms 5164 KB Output is correct
16 Correct 0 ms 5164 KB Output is correct
17 Correct 0 ms 5164 KB Output is correct
18 Correct 0 ms 5164 KB Output is correct
19 Correct 0 ms 5164 KB Output is correct
20 Correct 0 ms 5164 KB Output is correct
21 Correct 0 ms 5164 KB Output is correct
22 Correct 3 ms 5164 KB Output is correct
23 Correct 0 ms 5164 KB Output is correct
24 Correct 3 ms 5164 KB Output is correct
25 Correct 6 ms 5164 KB Output is correct
26 Correct 6 ms 5164 KB Output is correct
27 Correct 3 ms 5164 KB Output is correct
28 Correct 6 ms 5164 KB Output is correct
29 Correct 6 ms 5164 KB Output is correct
30 Correct 3 ms 5164 KB Output is correct
31 Correct 6 ms 5164 KB Output is correct
32 Correct 3 ms 5164 KB Output is correct
33 Correct 3 ms 5164 KB Output is correct
34 Correct 3 ms 5164 KB Output is correct
35 Correct 6 ms 5164 KB Output is correct
36 Correct 3 ms 5164 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 5164 KB Output is correct
2 Correct 0 ms 5164 KB Output is correct
3 Correct 0 ms 5164 KB Output is correct
4 Correct 0 ms 5164 KB Output is correct
5 Correct 0 ms 5164 KB Output is correct
6 Correct 0 ms 5164 KB Output is correct
7 Correct 0 ms 5164 KB Output is correct
8 Correct 0 ms 5164 KB Output is correct
9 Correct 0 ms 5164 KB Output is correct
10 Correct 0 ms 5164 KB Output is correct
11 Correct 0 ms 5164 KB Output is correct
12 Correct 0 ms 5164 KB Output is correct
13 Correct 0 ms 5164 KB Output is correct
14 Correct 0 ms 5164 KB Output is correct
15 Correct 0 ms 5164 KB Output is correct
16 Correct 0 ms 5164 KB Output is correct
17 Correct 0 ms 5164 KB Output is correct
18 Correct 0 ms 5164 KB Output is correct
19 Correct 0 ms 5164 KB Output is correct
20 Correct 0 ms 5164 KB Output is correct
21 Correct 0 ms 5164 KB Output is correct
22 Correct 3 ms 5164 KB Output is correct
23 Correct 0 ms 5164 KB Output is correct
24 Correct 3 ms 5164 KB Output is correct
25 Correct 6 ms 5164 KB Output is correct
26 Correct 6 ms 5164 KB Output is correct
27 Correct 3 ms 5164 KB Output is correct
28 Correct 6 ms 5164 KB Output is correct
29 Correct 6 ms 5164 KB Output is correct
30 Correct 3 ms 5164 KB Output is correct
31 Correct 6 ms 5164 KB Output is correct
32 Correct 3 ms 5164 KB Output is correct
33 Correct 3 ms 5164 KB Output is correct
34 Correct 3 ms 5164 KB Output is correct
35 Correct 6 ms 5164 KB Output is correct
36 Correct 3 ms 5164 KB Output is correct
37 Correct 39 ms 5164 KB Output is correct
38 Correct 39 ms 5164 KB Output is correct
39 Correct 73 ms 5164 KB Output is correct
40 Correct 86 ms 5164 KB Output is correct
41 Correct 93 ms 5164 KB Output is correct
42 Correct 86 ms 5164 KB Output is correct
43 Correct 143 ms 5164 KB Output is correct
44 Correct 146 ms 5164 KB Output is correct
45 Correct 149 ms 5164 KB Output is correct
46 Correct 59 ms 5164 KB Output is correct
47 Correct 79 ms 5164 KB Output is correct
48 Correct 143 ms 5164 KB Output is correct
49 Correct 113 ms 5164 KB Output is correct
50 Correct 86 ms 5164 KB Output is correct
51 Correct 9 ms 5164 KB Output is correct
52 Correct 189 ms 5164 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 5164 KB Output is correct
2 Correct 0 ms 5164 KB Output is correct
3 Correct 0 ms 5164 KB Output is correct
4 Correct 0 ms 5164 KB Output is correct
5 Correct 0 ms 5164 KB Output is correct
6 Correct 0 ms 5164 KB Output is correct
7 Correct 0 ms 5164 KB Output is correct
8 Correct 0 ms 5164 KB Output is correct
9 Correct 0 ms 5164 KB Output is correct
10 Correct 0 ms 5164 KB Output is correct
11 Correct 0 ms 5164 KB Output is correct
12 Correct 0 ms 5164 KB Output is correct
13 Correct 0 ms 5164 KB Output is correct
14 Correct 0 ms 5164 KB Output is correct
15 Correct 0 ms 5164 KB Output is correct
16 Correct 0 ms 5164 KB Output is correct
17 Correct 0 ms 5164 KB Output is correct
18 Correct 0 ms 5164 KB Output is correct
19 Correct 0 ms 5164 KB Output is correct
20 Correct 0 ms 5164 KB Output is correct
21 Correct 0 ms 5164 KB Output is correct
22 Correct 3 ms 5164 KB Output is correct
23 Correct 0 ms 5164 KB Output is correct
24 Correct 3 ms 5164 KB Output is correct
25 Correct 6 ms 5164 KB Output is correct
26 Correct 6 ms 5164 KB Output is correct
27 Correct 3 ms 5164 KB Output is correct
28 Correct 6 ms 5164 KB Output is correct
29 Correct 6 ms 5164 KB Output is correct
30 Correct 3 ms 5164 KB Output is correct
31 Correct 6 ms 5164 KB Output is correct
32 Correct 3 ms 5164 KB Output is correct
33 Correct 3 ms 5164 KB Output is correct
34 Correct 3 ms 5164 KB Output is correct
35 Correct 6 ms 5164 KB Output is correct
36 Correct 3 ms 5164 KB Output is correct
37 Correct 39 ms 5164 KB Output is correct
38 Correct 39 ms 5164 KB Output is correct
39 Correct 73 ms 5164 KB Output is correct
40 Correct 86 ms 5164 KB Output is correct
41 Correct 93 ms 5164 KB Output is correct
42 Correct 86 ms 5164 KB Output is correct
43 Correct 143 ms 5164 KB Output is correct
44 Correct 146 ms 5164 KB Output is correct
45 Correct 149 ms 5164 KB Output is correct
46 Correct 59 ms 5164 KB Output is correct
47 Correct 79 ms 5164 KB Output is correct
48 Correct 143 ms 5164 KB Output is correct
49 Correct 113 ms 5164 KB Output is correct
50 Correct 86 ms 5164 KB Output is correct
51 Correct 9 ms 5164 KB Output is correct
52 Correct 189 ms 5164 KB Output is correct
53 Correct 136 ms 5164 KB Output is correct
54 Correct 209 ms 5164 KB Output is correct
55 Correct 386 ms 5164 KB Output is correct
56 Correct 166 ms 5164 KB Output is correct
57 Correct 419 ms 5164 KB Output is correct
58 Correct 226 ms 5164 KB Output is correct
59 Correct 309 ms 5164 KB Output is correct
60 Correct 29 ms 5164 KB Output is correct
61 Correct 306 ms 5164 KB Output is correct
62 Correct 316 ms 5164 KB Output is correct
63 Correct 329 ms 5164 KB Output is correct
64 Correct 339 ms 5164 KB Output is correct
65 Correct 83 ms 5164 KB Output is correct
66 Correct 86 ms 5164 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 5164 KB Output is correct
2 Correct 0 ms 5164 KB Output is correct
3 Correct 0 ms 5164 KB Output is correct
4 Correct 0 ms 5164 KB Output is correct
5 Correct 0 ms 5164 KB Output is correct
6 Correct 0 ms 5164 KB Output is correct
7 Correct 0 ms 5164 KB Output is correct
8 Correct 0 ms 5164 KB Output is correct
9 Correct 0 ms 5164 KB Output is correct
10 Correct 0 ms 5164 KB Output is correct
11 Correct 0 ms 5164 KB Output is correct
12 Correct 0 ms 5164 KB Output is correct
13 Correct 0 ms 5164 KB Output is correct
14 Correct 0 ms 5164 KB Output is correct
15 Correct 0 ms 5164 KB Output is correct
16 Correct 0 ms 5164 KB Output is correct
17 Correct 0 ms 5164 KB Output is correct
18 Correct 0 ms 5164 KB Output is correct
19 Correct 0 ms 5164 KB Output is correct
20 Correct 0 ms 5164 KB Output is correct
21 Correct 0 ms 5164 KB Output is correct
22 Correct 3 ms 5164 KB Output is correct
23 Correct 0 ms 5164 KB Output is correct
24 Correct 3 ms 5164 KB Output is correct
25 Correct 6 ms 5164 KB Output is correct
26 Correct 6 ms 5164 KB Output is correct
27 Correct 3 ms 5164 KB Output is correct
28 Correct 6 ms 5164 KB Output is correct
29 Correct 6 ms 5164 KB Output is correct
30 Correct 3 ms 5164 KB Output is correct
31 Correct 6 ms 5164 KB Output is correct
32 Correct 3 ms 5164 KB Output is correct
33 Correct 3 ms 5164 KB Output is correct
34 Correct 3 ms 5164 KB Output is correct
35 Correct 6 ms 5164 KB Output is correct
36 Correct 3 ms 5164 KB Output is correct
37 Correct 39 ms 5164 KB Output is correct
38 Correct 39 ms 5164 KB Output is correct
39 Correct 73 ms 5164 KB Output is correct
40 Correct 86 ms 5164 KB Output is correct
41 Correct 93 ms 5164 KB Output is correct
42 Correct 86 ms 5164 KB Output is correct
43 Correct 143 ms 5164 KB Output is correct
44 Correct 146 ms 5164 KB Output is correct
45 Correct 149 ms 5164 KB Output is correct
46 Correct 59 ms 5164 KB Output is correct
47 Correct 79 ms 5164 KB Output is correct
48 Correct 143 ms 5164 KB Output is correct
49 Correct 113 ms 5164 KB Output is correct
50 Correct 86 ms 5164 KB Output is correct
51 Correct 9 ms 5164 KB Output is correct
52 Correct 189 ms 5164 KB Output is correct
53 Correct 136 ms 5164 KB Output is correct
54 Correct 209 ms 5164 KB Output is correct
55 Correct 386 ms 5164 KB Output is correct
56 Correct 166 ms 5164 KB Output is correct
57 Correct 419 ms 5164 KB Output is correct
58 Correct 226 ms 5164 KB Output is correct
59 Correct 309 ms 5164 KB Output is correct
60 Correct 29 ms 5164 KB Output is correct
61 Correct 306 ms 5164 KB Output is correct
62 Correct 316 ms 5164 KB Output is correct
63 Correct 329 ms 5164 KB Output is correct
64 Correct 339 ms 5164 KB Output is correct
65 Correct 83 ms 5164 KB Output is correct
66 Correct 86 ms 5164 KB Output is correct
67 Correct 326 ms 5164 KB Output is correct
68 Correct 79 ms 5164 KB Output is correct
69 Execution timed out 1000 ms 5164 KB Execution timed out
70 Halted 0 ms 0 KB -