oj.uz

Submission #36837

# Submission time Handle Problem Language Result Execution time Memory
36837 2017-12-16T04:36:22 Z szawinis Bootfall (IZhO17_bootfall) C++14
100 / 100
 709 ms 7752 KB 
#include <bits/stdc++.h>
using namespace std;
const int N = 501, M = 500*500+1;

int n, sum, a[N], cnt[M];
long long dp[M], tmp[M];
int main() {
	scanf("%d", &n);
	dp[0] = 1;
	for(int i = 0; i < n; i++) {
		scanf("%d", a+i);
		sum += a[i];
		for(int j = M-1; j >= a[i]; j--) dp[j] += dp[j - a[i]];
	}
	if(sum % 2 || !dp[sum >> 1]) printf("0"), exit(0);
	for(int i = 0; i < n; i++) {
		copy(dp, dp+M, tmp);
		for(int j = a[i]; j < M; j++) tmp[j] -= tmp[j - a[i]]; // pay attention to order, only want to remove ones invalidated, not all combinations
		for(int x = 0; x < M; x++) {
			int val = sum - a[i] + x; // new sum of entire sequence including n+1
			cnt[x] += val % 2 == 0 && tmp[val >> 1];
		}
	}
	vector<int> ans;
	for(int x = 0; x < M; x++) if(cnt[x] == n) ans.push_back(x);
	printf("%d\n", ans.size());
	for(int x: ans) printf("%d ", x);
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:26:27: 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", ans.size());
                           ^
bootfall.cpp:8:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
bootfall.cpp:11:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", a+i);
                   ^

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6900 KB Output is correct
2 Correct 9 ms 6900 KB Output is correct
3 Correct 0 ms 6900 KB Output is correct
4 Correct 9 ms 6900 KB Output is correct
5 Correct 16 ms 6900 KB Output is correct
6 Correct 13 ms 6900 KB Output is correct
7 Correct 9 ms 6900 KB Output is correct
8 Correct 23 ms 6900 KB Output is correct
9 Correct 13 ms 6900 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6900 KB Output is correct
2 Correct 9 ms 6900 KB Output is correct
3 Correct 0 ms 6900 KB Output is correct
4 Correct 9 ms 6900 KB Output is correct
5 Correct 16 ms 6900 KB Output is correct
6 Correct 13 ms 6900 KB Output is correct
7 Correct 9 ms 6900 KB Output is correct
8 Correct 23 ms 6900 KB Output is correct
9 Correct 13 ms 6900 KB Output is correct
10 Correct 46 ms 6900 KB Output is correct
11 Correct 39 ms 6900 KB Output is correct
12 Correct 36 ms 6900 KB Output is correct
13 Correct 36 ms 6900 KB Output is correct
14 Correct 33 ms 6900 KB Output is correct
15 Correct 36 ms 6900 KB Output is correct
16 Correct 33 ms 6900 KB Output is correct
17 Correct 26 ms 6900 KB Output is correct
18 Correct 26 ms 6900 KB Output is correct
19 Correct 33 ms 6900 KB Output is correct
20 Correct 33 ms 6900 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6900 KB Output is correct
2 Correct 9 ms 6900 KB Output is correct
3 Correct 0 ms 6900 KB Output is correct
4 Correct 9 ms 6900 KB Output is correct
5 Correct 16 ms 6900 KB Output is correct
6 Correct 13 ms 6900 KB Output is correct
7 Correct 9 ms 6900 KB Output is correct
8 Correct 23 ms 6900 KB Output is correct
9 Correct 13 ms 6900 KB Output is correct
10 Correct 46 ms 6900 KB Output is correct
11 Correct 39 ms 6900 KB Output is correct
12 Correct 36 ms 6900 KB Output is correct
13 Correct 36 ms 6900 KB Output is correct
14 Correct 33 ms 6900 KB Output is correct
15 Correct 36 ms 6900 KB Output is correct
16 Correct 33 ms 6900 KB Output is correct
17 Correct 26 ms 6900 KB Output is correct
18 Correct 26 ms 6900 KB Output is correct
19 Correct 33 ms 6900 KB Output is correct
20 Correct 33 ms 6900 KB Output is correct
21 Correct 79 ms 6900 KB Output is correct
22 Correct 89 ms 6900 KB Output is correct
23 Correct 59 ms 6900 KB Output is correct
24 Correct 116 ms 6900 KB Output is correct
25 Correct 129 ms 6900 KB Output is correct
26 Correct 123 ms 6900 KB Output is correct
27 Correct 113 ms 6900 KB Output is correct
28 Correct 119 ms 6900 KB Output is correct
29 Correct 119 ms 6900 KB Output is correct
30 Correct 133 ms 6900 KB Output is correct
31 Correct 116 ms 6900 KB Output is correct
32 Correct 119 ms 6900 KB Output is correct
33 Correct 123 ms 6900 KB Output is correct
34 Correct 129 ms 6900 KB Output is correct
35 Correct 119 ms 6900 KB Output is correct
36 Correct 119 ms 6900 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6900 KB Output is correct
2 Correct 9 ms 6900 KB Output is correct
3 Correct 0 ms 6900 KB Output is correct
4 Correct 9 ms 6900 KB Output is correct
5 Correct 16 ms 6900 KB Output is correct
6 Correct 13 ms 6900 KB Output is correct
7 Correct 9 ms 6900 KB Output is correct
8 Correct 23 ms 6900 KB Output is correct
9 Correct 13 ms 6900 KB Output is correct
10 Correct 46 ms 6900 KB Output is correct
11 Correct 39 ms 6900 KB Output is correct
12 Correct 36 ms 6900 KB Output is correct
13 Correct 36 ms 6900 KB Output is correct
14 Correct 33 ms 6900 KB Output is correct
15 Correct 36 ms 6900 KB Output is correct
16 Correct 33 ms 6900 KB Output is correct
17 Correct 26 ms 6900 KB Output is correct
18 Correct 26 ms 6900 KB Output is correct
19 Correct 33 ms 6900 KB Output is correct
20 Correct 33 ms 6900 KB Output is correct
21 Correct 79 ms 6900 KB Output is correct
22 Correct 89 ms 6900 KB Output is correct
23 Correct 59 ms 6900 KB Output is correct
24 Correct 116 ms 6900 KB Output is correct
25 Correct 129 ms 6900 KB Output is correct
26 Correct 123 ms 6900 KB Output is correct
27 Correct 113 ms 6900 KB Output is correct
28 Correct 119 ms 6900 KB Output is correct
29 Correct 119 ms 6900 KB Output is correct
30 Correct 133 ms 6900 KB Output is correct
31 Correct 116 ms 6900 KB Output is correct
32 Correct 119 ms 6900 KB Output is correct
33 Correct 123 ms 6900 KB Output is correct
34 Correct 129 ms 6900 KB Output is correct
35 Correct 119 ms 6900 KB Output is correct
36 Correct 119 ms 6900 KB Output is correct
37 Correct 236 ms 7040 KB Output is correct
38 Correct 263 ms 7040 KB Output is correct
39 Correct 326 ms 6900 KB Output is correct
40 Correct 333 ms 7040 KB Output is correct
41 Correct 333 ms 6900 KB Output is correct
42 Correct 299 ms 7040 KB Output is correct
43 Correct 289 ms 7172 KB Output is correct
44 Correct 326 ms 7172 KB Output is correct
45 Correct 303 ms 7172 KB Output is correct
46 Correct 333 ms 6900 KB Output is correct
47 Correct 296 ms 7040 KB Output is correct
48 Correct 306 ms 7172 KB Output is correct
49 Correct 336 ms 7040 KB Output is correct
50 Correct 346 ms 7040 KB Output is correct
51 Correct 63 ms 6900 KB Output is correct
52 Correct 336 ms 7172 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6900 KB Output is correct
2 Correct 9 ms 6900 KB Output is correct
3 Correct 0 ms 6900 KB Output is correct
4 Correct 9 ms 6900 KB Output is correct
5 Correct 16 ms 6900 KB Output is correct
6 Correct 13 ms 6900 KB Output is correct
7 Correct 9 ms 6900 KB Output is correct
8 Correct 23 ms 6900 KB Output is correct
9 Correct 13 ms 6900 KB Output is correct
10 Correct 46 ms 6900 KB Output is correct
11 Correct 39 ms 6900 KB Output is correct
12 Correct 36 ms 6900 KB Output is correct
13 Correct 36 ms 6900 KB Output is correct
14 Correct 33 ms 6900 KB Output is correct
15 Correct 36 ms 6900 KB Output is correct
16 Correct 33 ms 6900 KB Output is correct
17 Correct 26 ms 6900 KB Output is correct
18 Correct 26 ms 6900 KB Output is correct
19 Correct 33 ms 6900 KB Output is correct
20 Correct 33 ms 6900 KB Output is correct
21 Correct 79 ms 6900 KB Output is correct
22 Correct 89 ms 6900 KB Output is correct
23 Correct 59 ms 6900 KB Output is correct
24 Correct 116 ms 6900 KB Output is correct
25 Correct 129 ms 6900 KB Output is correct
26 Correct 123 ms 6900 KB Output is correct
27 Correct 113 ms 6900 KB Output is correct
28 Correct 119 ms 6900 KB Output is correct
29 Correct 119 ms 6900 KB Output is correct
30 Correct 133 ms 6900 KB Output is correct
31 Correct 116 ms 6900 KB Output is correct
32 Correct 119 ms 6900 KB Output is correct
33 Correct 123 ms 6900 KB Output is correct
34 Correct 129 ms 6900 KB Output is correct
35 Correct 119 ms 6900 KB Output is correct
36 Correct 119 ms 6900 KB Output is correct
37 Correct 236 ms 7040 KB Output is correct
38 Correct 263 ms 7040 KB Output is correct
39 Correct 326 ms 6900 KB Output is correct
40 Correct 333 ms 7040 KB Output is correct
41 Correct 333 ms 6900 KB Output is correct
42 Correct 299 ms 7040 KB Output is correct
43 Correct 289 ms 7172 KB Output is correct
44 Correct 326 ms 7172 KB Output is correct
45 Correct 303 ms 7172 KB Output is correct
46 Correct 333 ms 6900 KB Output is correct
47 Correct 296 ms 7040 KB Output is correct
48 Correct 306 ms 7172 KB Output is correct
49 Correct 336 ms 7040 KB Output is correct
50 Correct 346 ms 7040 KB Output is correct
51 Correct 63 ms 6900 KB Output is correct
52 Correct 336 ms 7172 KB Output is correct
53 Correct 366 ms 7172 KB Output is correct
54 Correct 443 ms 7172 KB Output is correct
55 Correct 446 ms 7368 KB Output is correct
56 Correct 416 ms 7172 KB Output is correct
57 Correct 426 ms 7368 KB Output is correct
58 Correct 443 ms 7172 KB Output is correct
59 Correct 443 ms 7368 KB Output is correct
60 Correct 79 ms 6900 KB Output is correct
61 Correct 429 ms 7368 KB Output is correct
62 Correct 446 ms 7368 KB Output is correct
63 Correct 403 ms 7368 KB Output is correct
64 Correct 393 ms 7368 KB Output is correct
65 Correct 373 ms 6900 KB Output is correct
66 Correct 396 ms 7040 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6900 KB Output is correct
2 Correct 9 ms 6900 KB Output is correct
3 Correct 0 ms 6900 KB Output is correct
4 Correct 9 ms 6900 KB Output is correct
5 Correct 16 ms 6900 KB Output is correct
6 Correct 13 ms 6900 KB Output is correct
7 Correct 9 ms 6900 KB Output is correct
8 Correct 23 ms 6900 KB Output is correct
9 Correct 13 ms 6900 KB Output is correct
10 Correct 46 ms 6900 KB Output is correct
11 Correct 39 ms 6900 KB Output is correct
12 Correct 36 ms 6900 KB Output is correct
13 Correct 36 ms 6900 KB Output is correct
14 Correct 33 ms 6900 KB Output is correct
15 Correct 36 ms 6900 KB Output is correct
16 Correct 33 ms 6900 KB Output is correct
17 Correct 26 ms 6900 KB Output is correct
18 Correct 26 ms 6900 KB Output is correct
19 Correct 33 ms 6900 KB Output is correct
20 Correct 33 ms 6900 KB Output is correct
21 Correct 79 ms 6900 KB Output is correct
22 Correct 89 ms 6900 KB Output is correct
23 Correct 59 ms 6900 KB Output is correct
24 Correct 116 ms 6900 KB Output is correct
25 Correct 129 ms 6900 KB Output is correct
26 Correct 123 ms 6900 KB Output is correct
27 Correct 113 ms 6900 KB Output is correct
28 Correct 119 ms 6900 KB Output is correct
29 Correct 119 ms 6900 KB Output is correct
30 Correct 133 ms 6900 KB Output is correct
31 Correct 116 ms 6900 KB Output is correct
32 Correct 119 ms 6900 KB Output is correct
33 Correct 123 ms 6900 KB Output is correct
34 Correct 129 ms 6900 KB Output is correct
35 Correct 119 ms 6900 KB Output is correct
36 Correct 119 ms 6900 KB Output is correct
37 Correct 236 ms 7040 KB Output is correct
38 Correct 263 ms 7040 KB Output is correct
39 Correct 326 ms 6900 KB Output is correct
40 Correct 333 ms 7040 KB Output is correct
41 Correct 333 ms 6900 KB Output is correct
42 Correct 299 ms 7040 KB Output is correct
43 Correct 289 ms 7172 KB Output is correct
44 Correct 326 ms 7172 KB Output is correct
45 Correct 303 ms 7172 KB Output is correct
46 Correct 333 ms 6900 KB Output is correct
47 Correct 296 ms 7040 KB Output is correct
48 Correct 306 ms 7172 KB Output is correct
49 Correct 336 ms 7040 KB Output is correct
50 Correct 346 ms 7040 KB Output is correct
51 Correct 63 ms 6900 KB Output is correct
52 Correct 336 ms 7172 KB Output is correct
53 Correct 366 ms 7172 KB Output is correct
54 Correct 443 ms 7172 KB Output is correct
55 Correct 446 ms 7368 KB Output is correct
56 Correct 416 ms 7172 KB Output is correct
57 Correct 426 ms 7368 KB Output is correct
58 Correct 443 ms 7172 KB Output is correct
59 Correct 443 ms 7368 KB Output is correct
60 Correct 79 ms 6900 KB Output is correct
61 Correct 429 ms 7368 KB Output is correct
62 Correct 446 ms 7368 KB Output is correct
63 Correct 403 ms 7368 KB Output is correct
64 Correct 393 ms 7368 KB Output is correct
65 Correct 373 ms 6900 KB Output is correct
66 Correct 396 ms 7040 KB Output is correct
67 Correct 499 ms 7368 KB Output is correct
68 Correct 106 ms 6900 KB Output is correct
69 Correct 703 ms 7752 KB Output is correct
70 Correct 629 ms 7368 KB Output is correct
71 Correct 589 ms 7368 KB Output is correct
72 Correct 616 ms 6900 KB Output is correct
73 Correct 643 ms 6900 KB Output is correct
74 Correct 669 ms 7752 KB Output is correct
75 Correct 663 ms 7752 KB Output is correct
76 Correct 689 ms 7752 KB Output is correct
77 Correct 709 ms 7752 KB Output is correct