Submission #36157

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
36157	2017-12-06T05:12:37 Z	ToMoClone	Bootfall (IZhO17_bootfall)	C++14	28 / 100	1000 ms	6200 KB

bootfall

/*input
4
1 3 1 5
*/
#include <stdio.h>
#include <vector>
#pragma GCC optimize("Ofast")
using namespace std;

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

void add(int &x, int b){ x = (x + b) % 1000696969; }
void sub(int &x, int b){
	x = (x - b) % 1000696969;
	x = (x >= 0) ? x : x + 1000696969;
}

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

			int Cur = (Sum - a[j]) >> 1;
			for(int k = (Cur - i) % a[j]; k < Cur - i; k += a[j])
				sub(check[k + a[j]], check[k]);

			if(check[Cur - i] == 0) ok = 0;
			for(int k = Cur - i; k > 0; k -= a[j])
				add(check[k], check[k - a[j]]);
		}
		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:20:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
bootfall.cpp:24:34: 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	6060 KB	Output is correct
2	Correct	6060 KB	Output is correct
3	Correct	6060 KB	Output is correct
4	Correct	6060 KB	Output is correct
5	Correct	6060 KB	Output is correct
6	Correct	6060 KB	Output is correct
7	Correct	6060 KB	Output is correct
8	Correct	6060 KB	Output is correct
9	Correct	6060 KB	Output is correct

Subtask #2
7.0 / 7.0

#	Verdict	Memory	Grader output
1	Correct	6060 KB	Output is correct
2	Correct	6060 KB	Output is correct
3	Correct	6060 KB	Output is correct
4	Correct	6060 KB	Output is correct
5	Correct	6060 KB	Output is correct
6	Correct	6060 KB	Output is correct
7	Correct	6060 KB	Output is correct
8	Correct	6060 KB	Output is correct
9	Correct	6060 KB	Output is correct
10	Correct	6060 KB	Output is correct
11	Correct	6060 KB	Output is correct
12	Correct	6060 KB	Output is correct
13	Correct	6060 KB	Output is correct
14	Correct	6060 KB	Output is correct
15	Correct	6060 KB	Output is correct
16	Correct	6060 KB	Output is correct
17	Correct	6060 KB	Output is correct
18	Correct	6060 KB	Output is correct
19	Correct	6060 KB	Output is correct
20	Correct	6060 KB	Output is correct

Subtask #3
15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	6060 KB	Output is correct
2	Correct	0 ms	6060 KB	Output is correct
3	Correct	0 ms	6060 KB	Output is correct
4	Correct	0 ms	6060 KB	Output is correct
5	Correct	0 ms	6060 KB	Output is correct
6	Correct	0 ms	6060 KB	Output is correct
7	Correct	0 ms	6060 KB	Output is correct
8	Correct	0 ms	6060 KB	Output is correct
9	Correct	0 ms	6060 KB	Output is correct
10	Correct	0 ms	6060 KB	Output is correct
11	Correct	0 ms	6060 KB	Output is correct
12	Correct	0 ms	6060 KB	Output is correct
13	Correct	0 ms	6060 KB	Output is correct
14	Correct	0 ms	6060 KB	Output is correct
15	Correct	0 ms	6060 KB	Output is correct
16	Correct	0 ms	6060 KB	Output is correct
17	Correct	0 ms	6060 KB	Output is correct
18	Correct	0 ms	6060 KB	Output is correct
19	Correct	0 ms	6060 KB	Output is correct
20	Correct	0 ms	6060 KB	Output is correct
21	Correct	36 ms	6060 KB	Output is correct
22	Correct	39 ms	6060 KB	Output is correct
23	Correct	16 ms	6060 KB	Output is correct
24	Correct	76 ms	6060 KB	Output is correct
25	Correct	6 ms	6060 KB	Output is correct
26	Correct	9 ms	6060 KB	Output is correct
27	Correct	6 ms	6060 KB	Output is correct
28	Correct	6 ms	6060 KB	Output is correct
29	Correct	3 ms	6060 KB	Output is correct
30	Correct	16 ms	6060 KB	Output is correct
31	Correct	26 ms	6060 KB	Output is correct
32	Correct	86 ms	6060 KB	Output is correct
33	Correct	0 ms	6060 KB	Output is correct
34	Correct	3 ms	6060 KB	Output is correct
35	Correct	6 ms	6060 KB	Output is correct
36	Correct	86 ms	6060 KB	Output is correct

Subtask #4
0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	6060 KB	Output is correct
2	Correct	0 ms	6060 KB	Output is correct
3	Correct	0 ms	6060 KB	Output is correct
4	Correct	0 ms	6060 KB	Output is correct
5	Correct	0 ms	6060 KB	Output is correct
6	Correct	0 ms	6060 KB	Output is correct
7	Correct	0 ms	6060 KB	Output is correct
8	Correct	0 ms	6060 KB	Output is correct
9	Correct	0 ms	6060 KB	Output is correct
10	Correct	0 ms	6060 KB	Output is correct
11	Correct	0 ms	6060 KB	Output is correct
12	Correct	0 ms	6060 KB	Output is correct
13	Correct	0 ms	6060 KB	Output is correct
14	Correct	0 ms	6060 KB	Output is correct
15	Correct	0 ms	6060 KB	Output is correct
16	Correct	0 ms	6060 KB	Output is correct
17	Correct	0 ms	6060 KB	Output is correct
18	Correct	0 ms	6060 KB	Output is correct
19	Correct	0 ms	6060 KB	Output is correct
20	Correct	0 ms	6060 KB	Output is correct
21	Correct	36 ms	6060 KB	Output is correct
22	Correct	39 ms	6060 KB	Output is correct
23	Correct	16 ms	6060 KB	Output is correct
24	Correct	76 ms	6060 KB	Output is correct
25	Correct	6 ms	6060 KB	Output is correct
26	Correct	9 ms	6060 KB	Output is correct
27	Correct	6 ms	6060 KB	Output is correct
28	Correct	6 ms	6060 KB	Output is correct
29	Correct	3 ms	6060 KB	Output is correct
30	Correct	16 ms	6060 KB	Output is correct
31	Correct	26 ms	6060 KB	Output is correct
32	Correct	86 ms	6060 KB	Output is correct
33	Correct	0 ms	6060 KB	Output is correct
34	Correct	3 ms	6060 KB	Output is correct
35	Correct	6 ms	6060 KB	Output is correct
36	Correct	86 ms	6060 KB	Output is correct
37	Correct	283 ms	6200 KB	Output is correct
38	Correct	313 ms	6200 KB	Output is correct
39	Correct	39 ms	6060 KB	Output is correct
40	Execution timed out	1000 ms	6060 KB	Execution timed out
41	Halted	0 ms	0 KB	-

Subtask #5
0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	6060 KB	Output is correct
2	Correct	0 ms	6060 KB	Output is correct
3	Correct	0 ms	6060 KB	Output is correct
4	Correct	0 ms	6060 KB	Output is correct
5	Correct	0 ms	6060 KB	Output is correct
6	Correct	0 ms	6060 KB	Output is correct
7	Correct	0 ms	6060 KB	Output is correct
8	Correct	0 ms	6060 KB	Output is correct
9	Correct	0 ms	6060 KB	Output is correct
10	Correct	0 ms	6060 KB	Output is correct
11	Correct	0 ms	6060 KB	Output is correct
12	Correct	0 ms	6060 KB	Output is correct
13	Correct	0 ms	6060 KB	Output is correct
14	Correct	0 ms	6060 KB	Output is correct
15	Correct	0 ms	6060 KB	Output is correct
16	Correct	0 ms	6060 KB	Output is correct
17	Correct	0 ms	6060 KB	Output is correct
18	Correct	0 ms	6060 KB	Output is correct
19	Correct	0 ms	6060 KB	Output is correct
20	Correct	0 ms	6060 KB	Output is correct
21	Correct	36 ms	6060 KB	Output is correct
22	Correct	39 ms	6060 KB	Output is correct
23	Correct	16 ms	6060 KB	Output is correct
24	Correct	76 ms	6060 KB	Output is correct
25	Correct	6 ms	6060 KB	Output is correct
26	Correct	9 ms	6060 KB	Output is correct
27	Correct	6 ms	6060 KB	Output is correct
28	Correct	6 ms	6060 KB	Output is correct
29	Correct	3 ms	6060 KB	Output is correct
30	Correct	16 ms	6060 KB	Output is correct
31	Correct	26 ms	6060 KB	Output is correct
32	Correct	86 ms	6060 KB	Output is correct
33	Correct	0 ms	6060 KB	Output is correct
34	Correct	3 ms	6060 KB	Output is correct
35	Correct	6 ms	6060 KB	Output is correct
36	Correct	86 ms	6060 KB	Output is correct
37	Correct	283 ms	6200 KB	Output is correct
38	Correct	313 ms	6200 KB	Output is correct
39	Correct	39 ms	6060 KB	Output is correct
40	Execution timed out	1000 ms	6060 KB	Execution timed out
41	Halted	0 ms	0 KB	-

Subtask #6
0 / 35.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	6060 KB	Output is correct
2	Correct	0 ms	6060 KB	Output is correct
3	Correct	0 ms	6060 KB	Output is correct
4	Correct	0 ms	6060 KB	Output is correct
5	Correct	0 ms	6060 KB	Output is correct
6	Correct	0 ms	6060 KB	Output is correct
7	Correct	0 ms	6060 KB	Output is correct
8	Correct	0 ms	6060 KB	Output is correct
9	Correct	0 ms	6060 KB	Output is correct
10	Correct	0 ms	6060 KB	Output is correct
11	Correct	0 ms	6060 KB	Output is correct
12	Correct	0 ms	6060 KB	Output is correct
13	Correct	0 ms	6060 KB	Output is correct
14	Correct	0 ms	6060 KB	Output is correct
15	Correct	0 ms	6060 KB	Output is correct
16	Correct	0 ms	6060 KB	Output is correct
17	Correct	0 ms	6060 KB	Output is correct
18	Correct	0 ms	6060 KB	Output is correct
19	Correct	0 ms	6060 KB	Output is correct
20	Correct	0 ms	6060 KB	Output is correct
21	Correct	36 ms	6060 KB	Output is correct
22	Correct	39 ms	6060 KB	Output is correct
23	Correct	16 ms	6060 KB	Output is correct
24	Correct	76 ms	6060 KB	Output is correct
25	Correct	6 ms	6060 KB	Output is correct
26	Correct	9 ms	6060 KB	Output is correct
27	Correct	6 ms	6060 KB	Output is correct
28	Correct	6 ms	6060 KB	Output is correct
29	Correct	3 ms	6060 KB	Output is correct
30	Correct	16 ms	6060 KB	Output is correct
31	Correct	26 ms	6060 KB	Output is correct
32	Correct	86 ms	6060 KB	Output is correct
33	Correct	0 ms	6060 KB	Output is correct
34	Correct	3 ms	6060 KB	Output is correct
35	Correct	6 ms	6060 KB	Output is correct
36	Correct	86 ms	6060 KB	Output is correct
37	Correct	283 ms	6200 KB	Output is correct
38	Correct	313 ms	6200 KB	Output is correct
39	Correct	39 ms	6060 KB	Output is correct
40	Execution timed out	1000 ms	6060 KB	Execution timed out
41	Halted	0 ms	0 KB	-

Submission #36157

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 7.0 / 7.0

Subtask #3 15.0 / 15.0

Subtask #4 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
0 / 16.0

Subtask #5
0 / 21.0

Subtask #6
0 / 35.0