Submission #36163

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
36163	2017-12-06T05:26:56 Z	ToMoClone	Bootfall (IZhO17_bootfall)	C++14	44 / 100	1000 ms	6524 KB

bootfall

/*input
4
1 3 1 5
*/
#include <stdio.h>
#include <vector>
using namespace std;

const int N = 501, Mod = 1000696969;
int check[N * N], cnt[1000001], Lol[501], a[N], n, sum;

void add(int &x, int b){
	x += b;
	x = (x > Mod) ? (x - Mod) : x;
}
void sub(int &x, int b){
	x = x - b;
	x = (x >= 0) ? x : x + Mod;
}

int main(){
	scanf("%d", &n);

	check[0] = 1;
	for(int i = 1; i <= n; ++i){
		scanf("%d", &a[i]), sum += a[i];
		for(int j = sum; j >= a[i]; --j)
			add(check[j], check[j - a[i]]);

		if(cnt[a[i]] == 1) Lol[i] = 1;
			else ++cnt[a[i]];
	}
	if((sum & 1) || check[sum >> 1] == 0) return puts("0"), 0;

	vector<int> ans;
	for(int i = 1; i <= sum; ++i){
		int Sum = sum + i, ok = 1;
		for(int j = 1; j <= n; ++j){
			if(Lol[j]) continue;

			if(ok == 0 || ((Sum - a[j]) & 1) || (((Sum - a[j]) >> 1) < i)) {
				ok = 0; break; 
			}

			int A = 0, sign = 1;
			for(int k = ((Sum - a[j]) >> 1) - i; k >= 0; k -= a[j])
				if(sign) add(A, check[k]), sign ^= 1;
					else sub(A, check[k]), sign ^= 1;
			if(A == 0 || A == Mod) ok = 0;
		}
		if(ok) ans.push_back(i);
	}

	printf("%d\n", (int)ans.size());
	if(ans.size()) for(int i = 0; i < (int)ans.size(); ++i) printf("%d ", ans[i]);
	printf("\n");
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:22:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
bootfall.cpp:26:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &a[i]), sum += a[i];
                                  ^

Subtask #1
6.0 / 6.0

#	Verdict	Memory	Grader output
1	Correct	6056 KB	Output is correct
2	Correct	6056 KB	Output is correct
3	Correct	6056 KB	Output is correct
4	Correct	6056 KB	Output is correct
5	Correct	6056 KB	Output is correct
6	Correct	6056 KB	Output is correct
7	Correct	6056 KB	Output is correct
8	Correct	6056 KB	Output is correct
9	Correct	6056 KB	Output is correct

Subtask #2
7.0 / 7.0

#	Verdict	Memory	Grader output
1	Correct	6056 KB	Output is correct
2	Correct	6056 KB	Output is correct
3	Correct	6056 KB	Output is correct
4	Correct	6056 KB	Output is correct
5	Correct	6056 KB	Output is correct
6	Correct	6056 KB	Output is correct
7	Correct	6056 KB	Output is correct
8	Correct	6056 KB	Output is correct
9	Correct	6056 KB	Output is correct
10	Correct	6056 KB	Output is correct
11	Correct	6056 KB	Output is correct
12	Correct	6056 KB	Output is correct
13	Correct	6056 KB	Output is correct
14	Correct	6056 KB	Output is correct
15	Correct	6056 KB	Output is correct
16	Correct	6056 KB	Output is correct
17	Correct	6056 KB	Output is correct
18	Correct	6056 KB	Output is correct
19	Correct	6056 KB	Output is correct
20	Correct	6056 KB	Output is correct

Subtask #3
15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	6056 KB	Output is correct
2	Correct	0 ms	6056 KB	Output is correct
3	Correct	0 ms	6056 KB	Output is correct
4	Correct	0 ms	6056 KB	Output is correct
5	Correct	0 ms	6056 KB	Output is correct
6	Correct	0 ms	6056 KB	Output is correct
7	Correct	0 ms	6056 KB	Output is correct
8	Correct	0 ms	6056 KB	Output is correct
9	Correct	0 ms	6056 KB	Output is correct
10	Correct	0 ms	6056 KB	Output is correct
11	Correct	0 ms	6056 KB	Output is correct
12	Correct	0 ms	6056 KB	Output is correct
13	Correct	0 ms	6056 KB	Output is correct
14	Correct	0 ms	6056 KB	Output is correct
15	Correct	0 ms	6056 KB	Output is correct
16	Correct	0 ms	6056 KB	Output is correct
17	Correct	0 ms	6056 KB	Output is correct
18	Correct	0 ms	6056 KB	Output is correct
19	Correct	0 ms	6056 KB	Output is correct
20	Correct	0 ms	6056 KB	Output is correct
21	Correct	3 ms	6056 KB	Output is correct
22	Correct	3 ms	6056 KB	Output is correct
23	Correct	3 ms	6056 KB	Output is correct
24	Correct	6 ms	6056 KB	Output is correct
25	Correct	0 ms	6056 KB	Output is correct
26	Correct	0 ms	6056 KB	Output is correct
27	Correct	0 ms	6056 KB	Output is correct
28	Correct	0 ms	6056 KB	Output is correct
29	Correct	0 ms	6056 KB	Output is correct
30	Correct	0 ms	6056 KB	Output is correct
31	Correct	3 ms	6056 KB	Output is correct
32	Correct	9 ms	6056 KB	Output is correct
33	Correct	0 ms	6056 KB	Output is correct
34	Correct	0 ms	6056 KB	Output is correct
35	Correct	0 ms	6056 KB	Output is correct
36	Correct	13 ms	6056 KB	Output is correct

Subtask #4
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	6056 KB	Output is correct
2	Correct	0 ms	6056 KB	Output is correct
3	Correct	0 ms	6056 KB	Output is correct
4	Correct	0 ms	6056 KB	Output is correct
5	Correct	0 ms	6056 KB	Output is correct
6	Correct	0 ms	6056 KB	Output is correct
7	Correct	0 ms	6056 KB	Output is correct
8	Correct	0 ms	6056 KB	Output is correct
9	Correct	0 ms	6056 KB	Output is correct
10	Correct	0 ms	6056 KB	Output is correct
11	Correct	0 ms	6056 KB	Output is correct
12	Correct	0 ms	6056 KB	Output is correct
13	Correct	0 ms	6056 KB	Output is correct
14	Correct	0 ms	6056 KB	Output is correct
15	Correct	0 ms	6056 KB	Output is correct
16	Correct	0 ms	6056 KB	Output is correct
17	Correct	0 ms	6056 KB	Output is correct
18	Correct	0 ms	6056 KB	Output is correct
19	Correct	0 ms	6056 KB	Output is correct
20	Correct	0 ms	6056 KB	Output is correct
21	Correct	3 ms	6056 KB	Output is correct
22	Correct	3 ms	6056 KB	Output is correct
23	Correct	3 ms	6056 KB	Output is correct
24	Correct	6 ms	6056 KB	Output is correct
25	Correct	0 ms	6056 KB	Output is correct
26	Correct	0 ms	6056 KB	Output is correct
27	Correct	0 ms	6056 KB	Output is correct
28	Correct	0 ms	6056 KB	Output is correct
29	Correct	0 ms	6056 KB	Output is correct
30	Correct	0 ms	6056 KB	Output is correct
31	Correct	3 ms	6056 KB	Output is correct
32	Correct	9 ms	6056 KB	Output is correct
33	Correct	0 ms	6056 KB	Output is correct
34	Correct	0 ms	6056 KB	Output is correct
35	Correct	0 ms	6056 KB	Output is correct
36	Correct	13 ms	6056 KB	Output is correct
37	Correct	46 ms	6196 KB	Output is correct
38	Correct	49 ms	6196 KB	Output is correct
39	Correct	23 ms	6056 KB	Output is correct
40	Correct	796 ms	6196 KB	Output is correct
41	Correct	29 ms	6056 KB	Output is correct
42	Correct	409 ms	6196 KB	Output is correct
43	Correct	93 ms	6328 KB	Output is correct
44	Correct	113 ms	6328 KB	Output is correct
45	Correct	89 ms	6328 KB	Output is correct
46	Correct	29 ms	6056 KB	Output is correct
47	Correct	633 ms	6196 KB	Output is correct
48	Correct	33 ms	6328 KB	Output is correct
49	Correct	19 ms	6196 KB	Output is correct
50	Correct	749 ms	6196 KB	Output is correct
51	Correct	6 ms	6056 KB	Output is correct
52	Correct	69 ms	6328 KB	Output is correct

Subtask #5
0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	6056 KB	Output is correct
2	Correct	0 ms	6056 KB	Output is correct
3	Correct	0 ms	6056 KB	Output is correct
4	Correct	0 ms	6056 KB	Output is correct
5	Correct	0 ms	6056 KB	Output is correct
6	Correct	0 ms	6056 KB	Output is correct
7	Correct	0 ms	6056 KB	Output is correct
8	Correct	0 ms	6056 KB	Output is correct
9	Correct	0 ms	6056 KB	Output is correct
10	Correct	0 ms	6056 KB	Output is correct
11	Correct	0 ms	6056 KB	Output is correct
12	Correct	0 ms	6056 KB	Output is correct
13	Correct	0 ms	6056 KB	Output is correct
14	Correct	0 ms	6056 KB	Output is correct
15	Correct	0 ms	6056 KB	Output is correct
16	Correct	0 ms	6056 KB	Output is correct
17	Correct	0 ms	6056 KB	Output is correct
18	Correct	0 ms	6056 KB	Output is correct
19	Correct	0 ms	6056 KB	Output is correct
20	Correct	0 ms	6056 KB	Output is correct
21	Correct	3 ms	6056 KB	Output is correct
22	Correct	3 ms	6056 KB	Output is correct
23	Correct	3 ms	6056 KB	Output is correct
24	Correct	6 ms	6056 KB	Output is correct
25	Correct	0 ms	6056 KB	Output is correct
26	Correct	0 ms	6056 KB	Output is correct
27	Correct	0 ms	6056 KB	Output is correct
28	Correct	0 ms	6056 KB	Output is correct
29	Correct	0 ms	6056 KB	Output is correct
30	Correct	0 ms	6056 KB	Output is correct
31	Correct	3 ms	6056 KB	Output is correct
32	Correct	9 ms	6056 KB	Output is correct
33	Correct	0 ms	6056 KB	Output is correct
34	Correct	0 ms	6056 KB	Output is correct
35	Correct	0 ms	6056 KB	Output is correct
36	Correct	13 ms	6056 KB	Output is correct
37	Correct	46 ms	6196 KB	Output is correct
38	Correct	49 ms	6196 KB	Output is correct
39	Correct	23 ms	6056 KB	Output is correct
40	Correct	796 ms	6196 KB	Output is correct
41	Correct	29 ms	6056 KB	Output is correct
42	Correct	409 ms	6196 KB	Output is correct
43	Correct	93 ms	6328 KB	Output is correct
44	Correct	113 ms	6328 KB	Output is correct
45	Correct	89 ms	6328 KB	Output is correct
46	Correct	29 ms	6056 KB	Output is correct
47	Correct	633 ms	6196 KB	Output is correct
48	Correct	33 ms	6328 KB	Output is correct
49	Correct	19 ms	6196 KB	Output is correct
50	Correct	749 ms	6196 KB	Output is correct
51	Correct	6 ms	6056 KB	Output is correct
52	Correct	69 ms	6328 KB	Output is correct
53	Correct	519 ms	6328 KB	Output is correct
54	Correct	723 ms	6328 KB	Output is correct
55	Correct	186 ms	6524 KB	Output is correct
56	Correct	689 ms	6328 KB	Output is correct
57	Correct	209 ms	6524 KB	Output is correct
58	Execution timed out	1000 ms	6196 KB	Execution timed out
59	Halted	0 ms	0 KB	-

Subtask #6
0 / 35.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	6056 KB	Output is correct
2	Correct	0 ms	6056 KB	Output is correct
3	Correct	0 ms	6056 KB	Output is correct
4	Correct	0 ms	6056 KB	Output is correct
5	Correct	0 ms	6056 KB	Output is correct
6	Correct	0 ms	6056 KB	Output is correct
7	Correct	0 ms	6056 KB	Output is correct
8	Correct	0 ms	6056 KB	Output is correct
9	Correct	0 ms	6056 KB	Output is correct
10	Correct	0 ms	6056 KB	Output is correct
11	Correct	0 ms	6056 KB	Output is correct
12	Correct	0 ms	6056 KB	Output is correct
13	Correct	0 ms	6056 KB	Output is correct
14	Correct	0 ms	6056 KB	Output is correct
15	Correct	0 ms	6056 KB	Output is correct
16	Correct	0 ms	6056 KB	Output is correct
17	Correct	0 ms	6056 KB	Output is correct
18	Correct	0 ms	6056 KB	Output is correct
19	Correct	0 ms	6056 KB	Output is correct
20	Correct	0 ms	6056 KB	Output is correct
21	Correct	3 ms	6056 KB	Output is correct
22	Correct	3 ms	6056 KB	Output is correct
23	Correct	3 ms	6056 KB	Output is correct
24	Correct	6 ms	6056 KB	Output is correct
25	Correct	0 ms	6056 KB	Output is correct
26	Correct	0 ms	6056 KB	Output is correct
27	Correct	0 ms	6056 KB	Output is correct
28	Correct	0 ms	6056 KB	Output is correct
29	Correct	0 ms	6056 KB	Output is correct
30	Correct	0 ms	6056 KB	Output is correct
31	Correct	3 ms	6056 KB	Output is correct
32	Correct	9 ms	6056 KB	Output is correct
33	Correct	0 ms	6056 KB	Output is correct
34	Correct	0 ms	6056 KB	Output is correct
35	Correct	0 ms	6056 KB	Output is correct
36	Correct	13 ms	6056 KB	Output is correct
37	Correct	46 ms	6196 KB	Output is correct
38	Correct	49 ms	6196 KB	Output is correct
39	Correct	23 ms	6056 KB	Output is correct
40	Correct	796 ms	6196 KB	Output is correct
41	Correct	29 ms	6056 KB	Output is correct
42	Correct	409 ms	6196 KB	Output is correct
43	Correct	93 ms	6328 KB	Output is correct
44	Correct	113 ms	6328 KB	Output is correct
45	Correct	89 ms	6328 KB	Output is correct
46	Correct	29 ms	6056 KB	Output is correct
47	Correct	633 ms	6196 KB	Output is correct
48	Correct	33 ms	6328 KB	Output is correct
49	Correct	19 ms	6196 KB	Output is correct
50	Correct	749 ms	6196 KB	Output is correct
51	Correct	6 ms	6056 KB	Output is correct
52	Correct	69 ms	6328 KB	Output is correct
53	Correct	519 ms	6328 KB	Output is correct
54	Correct	723 ms	6328 KB	Output is correct
55	Correct	186 ms	6524 KB	Output is correct
56	Correct	689 ms	6328 KB	Output is correct
57	Correct	209 ms	6524 KB	Output is correct
58	Execution timed out	1000 ms	6196 KB	Execution timed out
59	Halted	0 ms	0 KB	-

Submission #36163

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 7.0 / 7.0

Subtask #3 15.0 / 15.0

Subtask #4 16.0 / 16.0

Subtask #5 0 / 21.0

Subtask #6 0 / 35.0

Subtask #1
6.0 / 6.0

Subtask #2
7.0 / 7.0

Subtask #3
15.0 / 15.0

Subtask #4
16.0 / 16.0

Subtask #5
0 / 21.0

Subtask #6
0 / 35.0