답안 #172909

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
172909	2020-01-02T17:59:11 Z	LinusTorvaldsFan	Bootfall (IZhO17_bootfall)	C++14	44 / 100	1000 ms	7684 KB

bootfall

#include <bits/stdc++.h>

using namespace std;

const int maxn=351;
const int maxc=501;
const int maxw=maxc*maxn;
bitset<maxn*maxc>available[maxn];



int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int n;
	cin>>n;
	vector<int>a(n);
	int sum=0;
	for(int i=0;i<n;i++) {
		cin>>a[i];
		sum+=a[i];
	}
	for(int i=0;i<=n;i++){
		available[i][0]=true;
		for(int j=0;j<n;j++){
			if(i==j)continue;
			available[i]|=available[i]<<a[j];
		}
	}
	if(sum&1){
		cout<<0;
		return 0;
	}
	if(!available[n][sum>>1]){
		cout<<0;
		return 0;
	}
	
	for(int i=0;i<n;i++){
		if((sum-a[i] & 1) != ((sum-a[0])&1)){
			cout<<0;
			return 0;
		}
	}
	
	vector<int>ans;
	for(int x=(sum-a[0])&1;x<=maxw;x+=2){
		bool ok=true;	
		for(int i=0;i<n;i++){
			int nsum=sum-a[i]+x;
			if(!available[i][nsum>>1]){
				ok=false;
				break;
			}
		}
		if(ok){
			ans.push_back(x);
		}
	}
	cout<<ans.size()<<endl;
	for(auto x:ans)cout<<x<<" ";
	return 0;
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:40:10: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
   if((sum-a[i] & 1) != ((sum-a[0])&1)){

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	504 KB	Output is correct
2	Correct	3 ms	504 KB	Output is correct
3	Correct	2 ms	504 KB	Output is correct
4	Correct	3 ms	504 KB	Output is correct
5	Correct	4 ms	636 KB	Output is correct
6	Correct	3 ms	504 KB	Output is correct
7	Correct	3 ms	504 KB	Output is correct
8	Correct	4 ms	632 KB	Output is correct
9	Correct	3 ms	632 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	504 KB	Output is correct
2	Correct	3 ms	504 KB	Output is correct
3	Correct	2 ms	504 KB	Output is correct
4	Correct	3 ms	504 KB	Output is correct
5	Correct	4 ms	636 KB	Output is correct
6	Correct	3 ms	504 KB	Output is correct
7	Correct	3 ms	504 KB	Output is correct
8	Correct	4 ms	632 KB	Output is correct
9	Correct	3 ms	632 KB	Output is correct
10	Correct	11 ms	1016 KB	Output is correct
11	Correct	11 ms	1016 KB	Output is correct
12	Correct	11 ms	1016 KB	Output is correct
13	Correct	18 ms	972 KB	Output is correct
14	Correct	10 ms	1016 KB	Output is correct
15	Correct	10 ms	1016 KB	Output is correct
16	Correct	11 ms	1016 KB	Output is correct
17	Correct	6 ms	760 KB	Output is correct
18	Correct	8 ms	888 KB	Output is correct
19	Correct	9 ms	1016 KB	Output is correct
20	Correct	11 ms	1016 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	504 KB	Output is correct
2	Correct	3 ms	504 KB	Output is correct
3	Correct	2 ms	504 KB	Output is correct
4	Correct	3 ms	504 KB	Output is correct
5	Correct	4 ms	636 KB	Output is correct
6	Correct	3 ms	504 KB	Output is correct
7	Correct	3 ms	504 KB	Output is correct
8	Correct	4 ms	632 KB	Output is correct
9	Correct	3 ms	632 KB	Output is correct
10	Correct	11 ms	1016 KB	Output is correct
11	Correct	11 ms	1016 KB	Output is correct
12	Correct	11 ms	1016 KB	Output is correct
13	Correct	18 ms	972 KB	Output is correct
14	Correct	10 ms	1016 KB	Output is correct
15	Correct	10 ms	1016 KB	Output is correct
16	Correct	11 ms	1016 KB	Output is correct
17	Correct	6 ms	760 KB	Output is correct
18	Correct	8 ms	888 KB	Output is correct
19	Correct	9 ms	1016 KB	Output is correct
20	Correct	11 ms	1016 KB	Output is correct
21	Correct	42 ms	1796 KB	Output is correct
22	Correct	55 ms	2040 KB	Output is correct
23	Correct	26 ms	1528 KB	Output is correct
24	Correct	85 ms	2424 KB	Output is correct
25	Correct	86 ms	2472 KB	Output is correct
26	Correct	102 ms	2680 KB	Output is correct
27	Correct	99 ms	2684 KB	Output is correct
28	Correct	96 ms	2556 KB	Output is correct
29	Correct	96 ms	2504 KB	Output is correct
30	Correct	94 ms	2660 KB	Output is correct
31	Correct	98 ms	2700 KB	Output is correct
32	Correct	97 ms	2624 KB	Output is correct
33	Correct	93 ms	2516 KB	Output is correct
34	Correct	95 ms	2680 KB	Output is correct
35	Correct	95 ms	2560 KB	Output is correct
36	Correct	95 ms	2680 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	504 KB	Output is correct
2	Correct	3 ms	504 KB	Output is correct
3	Correct	2 ms	504 KB	Output is correct
4	Correct	3 ms	504 KB	Output is correct
5	Correct	4 ms	636 KB	Output is correct
6	Correct	3 ms	504 KB	Output is correct
7	Correct	3 ms	504 KB	Output is correct
8	Correct	4 ms	632 KB	Output is correct
9	Correct	3 ms	632 KB	Output is correct
10	Correct	11 ms	1016 KB	Output is correct
11	Correct	11 ms	1016 KB	Output is correct
12	Correct	11 ms	1016 KB	Output is correct
13	Correct	18 ms	972 KB	Output is correct
14	Correct	10 ms	1016 KB	Output is correct
15	Correct	10 ms	1016 KB	Output is correct
16	Correct	11 ms	1016 KB	Output is correct
17	Correct	6 ms	760 KB	Output is correct
18	Correct	8 ms	888 KB	Output is correct
19	Correct	9 ms	1016 KB	Output is correct
20	Correct	11 ms	1016 KB	Output is correct
21	Correct	42 ms	1796 KB	Output is correct
22	Correct	55 ms	2040 KB	Output is correct
23	Correct	26 ms	1528 KB	Output is correct
24	Correct	85 ms	2424 KB	Output is correct
25	Correct	86 ms	2472 KB	Output is correct
26	Correct	102 ms	2680 KB	Output is correct
27	Correct	99 ms	2684 KB	Output is correct
28	Correct	96 ms	2556 KB	Output is correct
29	Correct	96 ms	2504 KB	Output is correct
30	Correct	94 ms	2660 KB	Output is correct
31	Correct	98 ms	2700 KB	Output is correct
32	Correct	97 ms	2624 KB	Output is correct
33	Correct	93 ms	2516 KB	Output is correct
34	Correct	95 ms	2680 KB	Output is correct
35	Correct	95 ms	2560 KB	Output is correct
36	Correct	95 ms	2680 KB	Output is correct
37	Correct	380 ms	4884 KB	Output is correct
38	Correct	383 ms	4908 KB	Output is correct
39	Correct	561 ms	5924 KB	Output is correct
40	Correct	685 ms	6552 KB	Output is correct
41	Correct	679 ms	6284 KB	Output is correct
42	Correct	578 ms	6112 KB	Output is correct
43	Correct	566 ms	6204 KB	Output is correct
44	Correct	584 ms	6244 KB	Output is correct
45	Correct	585 ms	6228 KB	Output is correct
46	Correct	663 ms	6232 KB	Output is correct
47	Correct	578 ms	6192 KB	Output is correct
48	Correct	581 ms	6188 KB	Output is correct
49	Correct	580 ms	6008 KB	Output is correct
50	Correct	588 ms	6128 KB	Output is correct
51	Correct	586 ms	5756 KB	Output is correct
52	Correct	682 ms	6640 KB	Output is correct

Subtask #5
0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	504 KB	Output is correct
2	Correct	3 ms	504 KB	Output is correct
3	Correct	2 ms	504 KB	Output is correct
4	Correct	3 ms	504 KB	Output is correct
5	Correct	4 ms	636 KB	Output is correct
6	Correct	3 ms	504 KB	Output is correct
7	Correct	3 ms	504 KB	Output is correct
8	Correct	4 ms	632 KB	Output is correct
9	Correct	3 ms	632 KB	Output is correct
10	Correct	11 ms	1016 KB	Output is correct
11	Correct	11 ms	1016 KB	Output is correct
12	Correct	11 ms	1016 KB	Output is correct
13	Correct	18 ms	972 KB	Output is correct
14	Correct	10 ms	1016 KB	Output is correct
15	Correct	10 ms	1016 KB	Output is correct
16	Correct	11 ms	1016 KB	Output is correct
17	Correct	6 ms	760 KB	Output is correct
18	Correct	8 ms	888 KB	Output is correct
19	Correct	9 ms	1016 KB	Output is correct
20	Correct	11 ms	1016 KB	Output is correct
21	Correct	42 ms	1796 KB	Output is correct
22	Correct	55 ms	2040 KB	Output is correct
23	Correct	26 ms	1528 KB	Output is correct
24	Correct	85 ms	2424 KB	Output is correct
25	Correct	86 ms	2472 KB	Output is correct
26	Correct	102 ms	2680 KB	Output is correct
27	Correct	99 ms	2684 KB	Output is correct
28	Correct	96 ms	2556 KB	Output is correct
29	Correct	96 ms	2504 KB	Output is correct
30	Correct	94 ms	2660 KB	Output is correct
31	Correct	98 ms	2700 KB	Output is correct
32	Correct	97 ms	2624 KB	Output is correct
33	Correct	93 ms	2516 KB	Output is correct
34	Correct	95 ms	2680 KB	Output is correct
35	Correct	95 ms	2560 KB	Output is correct
36	Correct	95 ms	2680 KB	Output is correct
37	Correct	380 ms	4884 KB	Output is correct
38	Correct	383 ms	4908 KB	Output is correct
39	Correct	561 ms	5924 KB	Output is correct
40	Correct	685 ms	6552 KB	Output is correct
41	Correct	679 ms	6284 KB	Output is correct
42	Correct	578 ms	6112 KB	Output is correct
43	Correct	566 ms	6204 KB	Output is correct
44	Correct	584 ms	6244 KB	Output is correct
45	Correct	585 ms	6228 KB	Output is correct
46	Correct	663 ms	6232 KB	Output is correct
47	Correct	578 ms	6192 KB	Output is correct
48	Correct	581 ms	6188 KB	Output is correct
49	Correct	580 ms	6008 KB	Output is correct
50	Correct	588 ms	6128 KB	Output is correct
51	Correct	586 ms	5756 KB	Output is correct
52	Correct	682 ms	6640 KB	Output is correct
53	Correct	834 ms	7368 KB	Output is correct
54	Execution timed out	1073 ms	7684 KB	Time limit exceeded
55	Halted	0 ms	0 KB	-

Subtask #6
0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	504 KB	Output is correct
2	Correct	3 ms	504 KB	Output is correct
3	Correct	2 ms	504 KB	Output is correct
4	Correct	3 ms	504 KB	Output is correct
5	Correct	4 ms	636 KB	Output is correct
6	Correct	3 ms	504 KB	Output is correct
7	Correct	3 ms	504 KB	Output is correct
8	Correct	4 ms	632 KB	Output is correct
9	Correct	3 ms	632 KB	Output is correct
10	Correct	11 ms	1016 KB	Output is correct
11	Correct	11 ms	1016 KB	Output is correct
12	Correct	11 ms	1016 KB	Output is correct
13	Correct	18 ms	972 KB	Output is correct
14	Correct	10 ms	1016 KB	Output is correct
15	Correct	10 ms	1016 KB	Output is correct
16	Correct	11 ms	1016 KB	Output is correct
17	Correct	6 ms	760 KB	Output is correct
18	Correct	8 ms	888 KB	Output is correct
19	Correct	9 ms	1016 KB	Output is correct
20	Correct	11 ms	1016 KB	Output is correct
21	Correct	42 ms	1796 KB	Output is correct
22	Correct	55 ms	2040 KB	Output is correct
23	Correct	26 ms	1528 KB	Output is correct
24	Correct	85 ms	2424 KB	Output is correct
25	Correct	86 ms	2472 KB	Output is correct
26	Correct	102 ms	2680 KB	Output is correct
27	Correct	99 ms	2684 KB	Output is correct
28	Correct	96 ms	2556 KB	Output is correct
29	Correct	96 ms	2504 KB	Output is correct
30	Correct	94 ms	2660 KB	Output is correct
31	Correct	98 ms	2700 KB	Output is correct
32	Correct	97 ms	2624 KB	Output is correct
33	Correct	93 ms	2516 KB	Output is correct
34	Correct	95 ms	2680 KB	Output is correct
35	Correct	95 ms	2560 KB	Output is correct
36	Correct	95 ms	2680 KB	Output is correct
37	Correct	380 ms	4884 KB	Output is correct
38	Correct	383 ms	4908 KB	Output is correct
39	Correct	561 ms	5924 KB	Output is correct
40	Correct	685 ms	6552 KB	Output is correct
41	Correct	679 ms	6284 KB	Output is correct
42	Correct	578 ms	6112 KB	Output is correct
43	Correct	566 ms	6204 KB	Output is correct
44	Correct	584 ms	6244 KB	Output is correct
45	Correct	585 ms	6228 KB	Output is correct
46	Correct	663 ms	6232 KB	Output is correct
47	Correct	578 ms	6192 KB	Output is correct
48	Correct	581 ms	6188 KB	Output is correct
49	Correct	580 ms	6008 KB	Output is correct
50	Correct	588 ms	6128 KB	Output is correct
51	Correct	586 ms	5756 KB	Output is correct
52	Correct	682 ms	6640 KB	Output is correct
53	Correct	834 ms	7368 KB	Output is correct
54	Execution timed out	1073 ms	7684 KB	Time limit exceeded
55	Halted	0 ms	0 KB	-

답안 #172909

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