Submission #36136

# Submission time Handle Problem Language Result Execution time Memory
36136 2017-12-06T03:51:30 Z aome Bootfall (IZhO17_bootfall) C++14
100 / 100
376 ms 6972 KB
#include <bits/stdc++.h>
using namespace std;

const int N = 505;

int n, a[N], sum[N];
int f[2][N * N];
int g[N * N];
int cnt[N * N];
vector<int> res;

int main() {
	ios::sync_with_stdio(false);
	cin >> n;
	for (int i = 1; i <= n; ++i) {
		cin >> a[i], sum[i] = sum[i - 1] + a[i];
	}
	f[0][0] = 1;
	for (int i = 0; i < n; ++i) {
		bool x = i & 1;
		for (int j = 0; j <= sum[i]; ++j) {
			f[x ^ 1][j + a[i + 1]] += f[x][j];
			f[x ^ 1][j] += f[x][j];
			f[x][j] = 0;
		}
	}
	if (sum[n] & 1 || !f[n & 1][sum[n] / 2]) {
		cout << 0; return 0;
	}
	for (int i = 1; i <= n; ++i) {
		for (int j = 0; j <= sum[n]; ++j) {
			g[j] = f[n & 1][j]; if (j >= a[i]) g[j] -= g[j - a[i]];
		}
		for (int j = 0; sum[n] - a[i] - j - j >= 0; ++j) {
			if (g[j]) cnt[sum[n] - a[i] - j - j]++;
		}
	}
	for (int i = 1; i <= sum[n]; ++i) {
		if (cnt[i] == n) res.push_back(i);
	}
	printf("%d\n", res.size());	
	for (int i = 0; i < res.size(); ++i) printf("%d ", res[i]);
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:41:27: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<int>::size_type {aka long unsigned int}' [-Wformat=]
  printf("%d\n", res.size()); 
                           ^
bootfall.cpp:42:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < res.size(); ++i) printf("%d ", res[i]);
                    ^
# Verdict Execution time Memory Grader output
1 Correct 0 ms 6164 KB Output is correct
2 Correct 0 ms 6164 KB Output is correct
3 Correct 0 ms 6164 KB Output is correct
4 Correct 0 ms 6164 KB Output is correct
5 Correct 0 ms 6164 KB Output is correct
6 Correct 0 ms 6164 KB Output is correct
7 Correct 0 ms 6164 KB Output is correct
8 Correct 0 ms 6164 KB Output is correct
9 Correct 0 ms 6164 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 6164 KB Output is correct
2 Correct 0 ms 6164 KB Output is correct
3 Correct 0 ms 6164 KB Output is correct
4 Correct 0 ms 6164 KB Output is correct
5 Correct 0 ms 6164 KB Output is correct
6 Correct 0 ms 6164 KB Output is correct
7 Correct 0 ms 6164 KB Output is correct
8 Correct 0 ms 6164 KB Output is correct
9 Correct 0 ms 6164 KB Output is correct
10 Correct 0 ms 6164 KB Output is correct
11 Correct 0 ms 6164 KB Output is correct
12 Correct 0 ms 6164 KB Output is correct
13 Correct 0 ms 6164 KB Output is correct
14 Correct 0 ms 6164 KB Output is correct
15 Correct 0 ms 6164 KB Output is correct
16 Correct 0 ms 6164 KB Output is correct
17 Correct 0 ms 6164 KB Output is correct
18 Correct 0 ms 6164 KB Output is correct
19 Correct 0 ms 6164 KB Output is correct
20 Correct 0 ms 6164 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 6164 KB Output is correct
2 Correct 0 ms 6164 KB Output is correct
3 Correct 0 ms 6164 KB Output is correct
4 Correct 0 ms 6164 KB Output is correct
5 Correct 0 ms 6164 KB Output is correct
6 Correct 0 ms 6164 KB Output is correct
7 Correct 0 ms 6164 KB Output is correct
8 Correct 0 ms 6164 KB Output is correct
9 Correct 0 ms 6164 KB Output is correct
10 Correct 0 ms 6164 KB Output is correct
11 Correct 0 ms 6164 KB Output is correct
12 Correct 0 ms 6164 KB Output is correct
13 Correct 0 ms 6164 KB Output is correct
14 Correct 0 ms 6164 KB Output is correct
15 Correct 0 ms 6164 KB Output is correct
16 Correct 0 ms 6164 KB Output is correct
17 Correct 0 ms 6164 KB Output is correct
18 Correct 0 ms 6164 KB Output is correct
19 Correct 0 ms 6164 KB Output is correct
20 Correct 0 ms 6164 KB Output is correct
21 Correct 0 ms 6164 KB Output is correct
22 Correct 0 ms 6164 KB Output is correct
23 Correct 0 ms 6164 KB Output is correct
24 Correct 0 ms 6164 KB Output is correct
25 Correct 0 ms 6164 KB Output is correct
26 Correct 3 ms 6164 KB Output is correct
27 Correct 3 ms 6164 KB Output is correct
28 Correct 3 ms 6164 KB Output is correct
29 Correct 3 ms 6164 KB Output is correct
30 Correct 0 ms 6164 KB Output is correct
31 Correct 3 ms 6164 KB Output is correct
32 Correct 0 ms 6164 KB Output is correct
33 Correct 3 ms 6164 KB Output is correct
34 Correct 3 ms 6164 KB Output is correct
35 Correct 3 ms 6164 KB Output is correct
36 Correct 0 ms 6164 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 6164 KB Output is correct
2 Correct 0 ms 6164 KB Output is correct
3 Correct 0 ms 6164 KB Output is correct
4 Correct 0 ms 6164 KB Output is correct
5 Correct 0 ms 6164 KB Output is correct
6 Correct 0 ms 6164 KB Output is correct
7 Correct 0 ms 6164 KB Output is correct
8 Correct 0 ms 6164 KB Output is correct
9 Correct 0 ms 6164 KB Output is correct
10 Correct 0 ms 6164 KB Output is correct
11 Correct 0 ms 6164 KB Output is correct
12 Correct 0 ms 6164 KB Output is correct
13 Correct 0 ms 6164 KB Output is correct
14 Correct 0 ms 6164 KB Output is correct
15 Correct 0 ms 6164 KB Output is correct
16 Correct 0 ms 6164 KB Output is correct
17 Correct 0 ms 6164 KB Output is correct
18 Correct 0 ms 6164 KB Output is correct
19 Correct 0 ms 6164 KB Output is correct
20 Correct 0 ms 6164 KB Output is correct
21 Correct 0 ms 6164 KB Output is correct
22 Correct 0 ms 6164 KB Output is correct
23 Correct 0 ms 6164 KB Output is correct
24 Correct 0 ms 6164 KB Output is correct
25 Correct 0 ms 6164 KB Output is correct
26 Correct 3 ms 6164 KB Output is correct
27 Correct 3 ms 6164 KB Output is correct
28 Correct 3 ms 6164 KB Output is correct
29 Correct 3 ms 6164 KB Output is correct
30 Correct 0 ms 6164 KB Output is correct
31 Correct 3 ms 6164 KB Output is correct
32 Correct 0 ms 6164 KB Output is correct
33 Correct 3 ms 6164 KB Output is correct
34 Correct 3 ms 6164 KB Output is correct
35 Correct 3 ms 6164 KB Output is correct
36 Correct 0 ms 6164 KB Output is correct
37 Correct 9 ms 6324 KB Output is correct
38 Correct 13 ms 6324 KB Output is correct
39 Correct 63 ms 6164 KB Output is correct
40 Correct 33 ms 6324 KB Output is correct
41 Correct 56 ms 6164 KB Output is correct
42 Correct 19 ms 6324 KB Output is correct
43 Correct 43 ms 6324 KB Output is correct
44 Correct 43 ms 6324 KB Output is correct
45 Correct 46 ms 6324 KB Output is correct
46 Correct 43 ms 6164 KB Output is correct
47 Correct 39 ms 6324 KB Output is correct
48 Correct 59 ms 6324 KB Output is correct
49 Correct 43 ms 6164 KB Output is correct
50 Correct 23 ms 6324 KB Output is correct
51 Correct 6 ms 6164 KB Output is correct
52 Correct 63 ms 6324 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 6164 KB Output is correct
2 Correct 0 ms 6164 KB Output is correct
3 Correct 0 ms 6164 KB Output is correct
4 Correct 0 ms 6164 KB Output is correct
5 Correct 0 ms 6164 KB Output is correct
6 Correct 0 ms 6164 KB Output is correct
7 Correct 0 ms 6164 KB Output is correct
8 Correct 0 ms 6164 KB Output is correct
9 Correct 0 ms 6164 KB Output is correct
10 Correct 0 ms 6164 KB Output is correct
11 Correct 0 ms 6164 KB Output is correct
12 Correct 0 ms 6164 KB Output is correct
13 Correct 0 ms 6164 KB Output is correct
14 Correct 0 ms 6164 KB Output is correct
15 Correct 0 ms 6164 KB Output is correct
16 Correct 0 ms 6164 KB Output is correct
17 Correct 0 ms 6164 KB Output is correct
18 Correct 0 ms 6164 KB Output is correct
19 Correct 0 ms 6164 KB Output is correct
20 Correct 0 ms 6164 KB Output is correct
21 Correct 0 ms 6164 KB Output is correct
22 Correct 0 ms 6164 KB Output is correct
23 Correct 0 ms 6164 KB Output is correct
24 Correct 0 ms 6164 KB Output is correct
25 Correct 0 ms 6164 KB Output is correct
26 Correct 3 ms 6164 KB Output is correct
27 Correct 3 ms 6164 KB Output is correct
28 Correct 3 ms 6164 KB Output is correct
29 Correct 3 ms 6164 KB Output is correct
30 Correct 0 ms 6164 KB Output is correct
31 Correct 3 ms 6164 KB Output is correct
32 Correct 0 ms 6164 KB Output is correct
33 Correct 3 ms 6164 KB Output is correct
34 Correct 3 ms 6164 KB Output is correct
35 Correct 3 ms 6164 KB Output is correct
36 Correct 0 ms 6164 KB Output is correct
37 Correct 9 ms 6324 KB Output is correct
38 Correct 13 ms 6324 KB Output is correct
39 Correct 63 ms 6164 KB Output is correct
40 Correct 33 ms 6324 KB Output is correct
41 Correct 56 ms 6164 KB Output is correct
42 Correct 19 ms 6324 KB Output is correct
43 Correct 43 ms 6324 KB Output is correct
44 Correct 43 ms 6324 KB Output is correct
45 Correct 46 ms 6324 KB Output is correct
46 Correct 43 ms 6164 KB Output is correct
47 Correct 39 ms 6324 KB Output is correct
48 Correct 59 ms 6324 KB Output is correct
49 Correct 43 ms 6164 KB Output is correct
50 Correct 23 ms 6324 KB Output is correct
51 Correct 6 ms 6164 KB Output is correct
52 Correct 63 ms 6324 KB Output is correct
53 Correct 66 ms 6324 KB Output is correct
54 Correct 66 ms 6324 KB Output is correct
55 Correct 133 ms 6584 KB Output is correct
56 Correct 53 ms 6324 KB Output is correct
57 Correct 123 ms 6584 KB Output is correct
58 Correct 83 ms 6324 KB Output is correct
59 Correct 83 ms 6584 KB Output is correct
60 Correct 19 ms 6164 KB Output is correct
61 Correct 109 ms 6584 KB Output is correct
62 Correct 103 ms 6584 KB Output is correct
63 Correct 103 ms 6584 KB Output is correct
64 Correct 116 ms 6584 KB Output is correct
65 Correct 43 ms 6164 KB Output is correct
66 Correct 49 ms 6164 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 6164 KB Output is correct
2 Correct 0 ms 6164 KB Output is correct
3 Correct 0 ms 6164 KB Output is correct
4 Correct 0 ms 6164 KB Output is correct
5 Correct 0 ms 6164 KB Output is correct
6 Correct 0 ms 6164 KB Output is correct
7 Correct 0 ms 6164 KB Output is correct
8 Correct 0 ms 6164 KB Output is correct
9 Correct 0 ms 6164 KB Output is correct
10 Correct 0 ms 6164 KB Output is correct
11 Correct 0 ms 6164 KB Output is correct
12 Correct 0 ms 6164 KB Output is correct
13 Correct 0 ms 6164 KB Output is correct
14 Correct 0 ms 6164 KB Output is correct
15 Correct 0 ms 6164 KB Output is correct
16 Correct 0 ms 6164 KB Output is correct
17 Correct 0 ms 6164 KB Output is correct
18 Correct 0 ms 6164 KB Output is correct
19 Correct 0 ms 6164 KB Output is correct
20 Correct 0 ms 6164 KB Output is correct
21 Correct 0 ms 6164 KB Output is correct
22 Correct 0 ms 6164 KB Output is correct
23 Correct 0 ms 6164 KB Output is correct
24 Correct 0 ms 6164 KB Output is correct
25 Correct 0 ms 6164 KB Output is correct
26 Correct 3 ms 6164 KB Output is correct
27 Correct 3 ms 6164 KB Output is correct
28 Correct 3 ms 6164 KB Output is correct
29 Correct 3 ms 6164 KB Output is correct
30 Correct 0 ms 6164 KB Output is correct
31 Correct 3 ms 6164 KB Output is correct
32 Correct 0 ms 6164 KB Output is correct
33 Correct 3 ms 6164 KB Output is correct
34 Correct 3 ms 6164 KB Output is correct
35 Correct 3 ms 6164 KB Output is correct
36 Correct 0 ms 6164 KB Output is correct
37 Correct 9 ms 6324 KB Output is correct
38 Correct 13 ms 6324 KB Output is correct
39 Correct 63 ms 6164 KB Output is correct
40 Correct 33 ms 6324 KB Output is correct
41 Correct 56 ms 6164 KB Output is correct
42 Correct 19 ms 6324 KB Output is correct
43 Correct 43 ms 6324 KB Output is correct
44 Correct 43 ms 6324 KB Output is correct
45 Correct 46 ms 6324 KB Output is correct
46 Correct 43 ms 6164 KB Output is correct
47 Correct 39 ms 6324 KB Output is correct
48 Correct 59 ms 6324 KB Output is correct
49 Correct 43 ms 6164 KB Output is correct
50 Correct 23 ms 6324 KB Output is correct
51 Correct 6 ms 6164 KB Output is correct
52 Correct 63 ms 6324 KB Output is correct
53 Correct 66 ms 6324 KB Output is correct
54 Correct 66 ms 6324 KB Output is correct
55 Correct 133 ms 6584 KB Output is correct
56 Correct 53 ms 6324 KB Output is correct
57 Correct 123 ms 6584 KB Output is correct
58 Correct 83 ms 6324 KB Output is correct
59 Correct 83 ms 6584 KB Output is correct
60 Correct 19 ms 6164 KB Output is correct
61 Correct 109 ms 6584 KB Output is correct
62 Correct 103 ms 6584 KB Output is correct
63 Correct 103 ms 6584 KB Output is correct
64 Correct 116 ms 6584 KB Output is correct
65 Correct 43 ms 6164 KB Output is correct
66 Correct 49 ms 6164 KB Output is correct
67 Correct 86 ms 6584 KB Output is correct
68 Correct 59 ms 6164 KB Output is correct
69 Correct 326 ms 6972 KB Output is correct
70 Correct 219 ms 6584 KB Output is correct
71 Correct 239 ms 6584 KB Output is correct
72 Correct 196 ms 6164 KB Output is correct
73 Correct 186 ms 6164 KB Output is correct
74 Correct 356 ms 6972 KB Output is correct
75 Correct 263 ms 6972 KB Output is correct
76 Correct 376 ms 6972 KB Output is correct
77 Correct 376 ms 6972 KB Output is correct