답안 #37480 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
37480	2017-12-25T18:30:14 Z	Kerim	Bootfall (IZhO17_bootfall)	C++14	44 / 100	1000 ms	2336 KB

bootfall

#include "bits/stdc++.h"
#define MAXN 100009
#define INF 1000000007
#define mp(x,y) make_pair(x,y)
#define all(v) v.begin(),v.end()
#define pb(x) push_back(x)
#define wr cout<<"----------------"<<endl;
#define ppb() pop_back()
#define tr(ii,c) for(__typeof((c).begin()) ii=(c).begin();ii!=(c).end();ii++)
#define ff first
#define ss second
#define my_little_dodge 46
#define debug(x)  cerr<< #x <<" = "<< x<<endl;
using namespace std;

typedef long long ll;
typedef pair<int,int> PII;
template<class T>bool umin(T& a,T b){if(a>b){a=b;return 1;}return 0;}
template<class T>bool umax(T& a,T b){if(a<b){a=b;return 1;}return 0;}
const int N=505;
bitset<N*N>dp;
int arr[N],vis[N];
bool ans[N*N];
int main(){
    //~ freopen("file.in", "r", stdin);
    int n,sum=0;
    scanf("%d",&n);
    dp[0]=1;
    for(int i=1;i<=n;i++){
		scanf("%d",arr+i);
		dp=dp|(dp<<arr[i]);
		sum+=arr[i];
	}
	if(sum&1 or !dp[sum/2]){
		puts("0");
		return 0;
	}	
	for(int j=0;j<=sum;j++)
		ans[j]=1;	
	int total=sum;	
	for(int i=1;i<=n;i++)
		if(!vis[arr[i]]){
			vis[arr[i]]=1;
			dp.reset();dp[0]=1;
			for(int j=1;j<i;j++)
				dp=dp|(dp<<arr[j]);
			for(int j=i+1;j<=n;j++)
				dp=dp|(dp<<arr[j]);	
			total-=arr[i];
			for(int j=0;j<=sum;j++){
				if(!ans[j])
					continue;
				if((j+total)&1){
					ans[j]=0;
					continue;
				}	
				if(!dp[(j+total)/2]){
					ans[j]=0;
					continue;
				}
			}
			total+=arr[i];
		}
	int res=0;
	for(int j=0;j<=sum;j++)
		res+=ans[j];
	printf("%d\n",res);	
	for(int j=0;j<=sum;j++)
		if(ans[j])
			printf("%d ",j);
	puts("");	
	return 0;
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:27:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
                   ^
bootfall.cpp:30:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",arr+i);
                    ^

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2332 KB	Output is correct
2	Correct	0 ms	2328 KB	Output is correct
3	Correct	0 ms	2332 KB	Output is correct
4	Correct	0 ms	2332 KB	Output is correct
5	Correct	3 ms	2332 KB	Output is correct
6	Correct	0 ms	2332 KB	Output is correct
7	Correct	0 ms	2336 KB	Output is correct
8	Correct	3 ms	2336 KB	Output is correct
9	Correct	3 ms	2332 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2332 KB	Output is correct
2	Correct	0 ms	2328 KB	Output is correct
3	Correct	0 ms	2332 KB	Output is correct
4	Correct	0 ms	2332 KB	Output is correct
5	Correct	3 ms	2332 KB	Output is correct
6	Correct	0 ms	2332 KB	Output is correct
7	Correct	0 ms	2336 KB	Output is correct
8	Correct	3 ms	2336 KB	Output is correct
9	Correct	3 ms	2332 KB	Output is correct
10	Correct	0 ms	2332 KB	Output is correct
11	Correct	6 ms	2332 KB	Output is correct
12	Correct	9 ms	2336 KB	Output is correct
13	Correct	9 ms	2332 KB	Output is correct
14	Correct	3 ms	2332 KB	Output is correct
15	Correct	6 ms	2328 KB	Output is correct
16	Correct	9 ms	2332 KB	Output is correct
17	Correct	3 ms	2332 KB	Output is correct
18	Correct	3 ms	2332 KB	Output is correct
19	Correct	3 ms	2336 KB	Output is correct
20	Correct	0 ms	2336 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2332 KB	Output is correct
2	Correct	0 ms	2328 KB	Output is correct
3	Correct	0 ms	2332 KB	Output is correct
4	Correct	0 ms	2332 KB	Output is correct
5	Correct	3 ms	2332 KB	Output is correct
6	Correct	0 ms	2332 KB	Output is correct
7	Correct	0 ms	2336 KB	Output is correct
8	Correct	3 ms	2336 KB	Output is correct
9	Correct	3 ms	2332 KB	Output is correct
10	Correct	0 ms	2332 KB	Output is correct
11	Correct	6 ms	2332 KB	Output is correct
12	Correct	9 ms	2336 KB	Output is correct
13	Correct	9 ms	2332 KB	Output is correct
14	Correct	3 ms	2332 KB	Output is correct
15	Correct	6 ms	2328 KB	Output is correct
16	Correct	9 ms	2332 KB	Output is correct
17	Correct	3 ms	2332 KB	Output is correct
18	Correct	3 ms	2332 KB	Output is correct
19	Correct	3 ms	2336 KB	Output is correct
20	Correct	0 ms	2336 KB	Output is correct
21	Correct	43 ms	2332 KB	Output is correct
22	Correct	59 ms	2332 KB	Output is correct
23	Correct	29 ms	2332 KB	Output is correct
24	Correct	79 ms	2332 KB	Output is correct
25	Correct	13 ms	2336 KB	Output is correct
26	Correct	13 ms	2332 KB	Output is correct
27	Correct	13 ms	2332 KB	Output is correct
28	Correct	9 ms	2332 KB	Output is correct
29	Correct	6 ms	2336 KB	Output is correct
30	Correct	129 ms	2332 KB	Output is correct
31	Correct	53 ms	2336 KB	Output is correct
32	Correct	89 ms	2332 KB	Output is correct
33	Correct	3 ms	2332 KB	Output is correct
34	Correct	3 ms	2336 KB	Output is correct
35	Correct	6 ms	2336 KB	Output is correct
36	Correct	106 ms	2336 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2332 KB	Output is correct
2	Correct	0 ms	2328 KB	Output is correct
3	Correct	0 ms	2332 KB	Output is correct
4	Correct	0 ms	2332 KB	Output is correct
5	Correct	3 ms	2332 KB	Output is correct
6	Correct	0 ms	2332 KB	Output is correct
7	Correct	0 ms	2336 KB	Output is correct
8	Correct	3 ms	2336 KB	Output is correct
9	Correct	3 ms	2332 KB	Output is correct
10	Correct	0 ms	2332 KB	Output is correct
11	Correct	6 ms	2332 KB	Output is correct
12	Correct	9 ms	2336 KB	Output is correct
13	Correct	9 ms	2332 KB	Output is correct
14	Correct	3 ms	2332 KB	Output is correct
15	Correct	6 ms	2328 KB	Output is correct
16	Correct	9 ms	2332 KB	Output is correct
17	Correct	3 ms	2332 KB	Output is correct
18	Correct	3 ms	2332 KB	Output is correct
19	Correct	3 ms	2336 KB	Output is correct
20	Correct	0 ms	2336 KB	Output is correct
21	Correct	43 ms	2332 KB	Output is correct
22	Correct	59 ms	2332 KB	Output is correct
23	Correct	29 ms	2332 KB	Output is correct
24	Correct	79 ms	2332 KB	Output is correct
25	Correct	13 ms	2336 KB	Output is correct
26	Correct	13 ms	2332 KB	Output is correct
27	Correct	13 ms	2332 KB	Output is correct
28	Correct	9 ms	2332 KB	Output is correct
29	Correct	6 ms	2336 KB	Output is correct
30	Correct	129 ms	2332 KB	Output is correct
31	Correct	53 ms	2336 KB	Output is correct
32	Correct	89 ms	2332 KB	Output is correct
33	Correct	3 ms	2332 KB	Output is correct
34	Correct	3 ms	2336 KB	Output is correct
35	Correct	6 ms	2336 KB	Output is correct
36	Correct	106 ms	2336 KB	Output is correct
37	Correct	186 ms	2336 KB	Output is correct
38	Correct	199 ms	2336 KB	Output is correct
39	Correct	13 ms	2332 KB	Output is correct
40	Correct	823 ms	2328 KB	Output is correct
41	Correct	9 ms	2336 KB	Output is correct
42	Correct	593 ms	2328 KB	Output is correct
43	Correct	123 ms	2328 KB	Output is correct
44	Correct	133 ms	2332 KB	Output is correct
45	Correct	126 ms	2336 KB	Output is correct
46	Correct	736 ms	2332 KB	Output is correct
47	Correct	539 ms	2328 KB	Output is correct
48	Correct	43 ms	2332 KB	Output is correct
49	Correct	29 ms	2332 KB	Output is correct
50	Correct	613 ms	2336 KB	Output is correct
51	Correct	3 ms	2332 KB	Output is correct
52	Correct	66 ms	2332 KB	Output is correct

Subtask #5
0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2332 KB	Output is correct
2	Correct	0 ms	2328 KB	Output is correct
3	Correct	0 ms	2332 KB	Output is correct
4	Correct	0 ms	2332 KB	Output is correct
5	Correct	3 ms	2332 KB	Output is correct
6	Correct	0 ms	2332 KB	Output is correct
7	Correct	0 ms	2336 KB	Output is correct
8	Correct	3 ms	2336 KB	Output is correct
9	Correct	3 ms	2332 KB	Output is correct
10	Correct	0 ms	2332 KB	Output is correct
11	Correct	6 ms	2332 KB	Output is correct
12	Correct	9 ms	2336 KB	Output is correct
13	Correct	9 ms	2332 KB	Output is correct
14	Correct	3 ms	2332 KB	Output is correct
15	Correct	6 ms	2328 KB	Output is correct
16	Correct	9 ms	2332 KB	Output is correct
17	Correct	3 ms	2332 KB	Output is correct
18	Correct	3 ms	2332 KB	Output is correct
19	Correct	3 ms	2336 KB	Output is correct
20	Correct	0 ms	2336 KB	Output is correct
21	Correct	43 ms	2332 KB	Output is correct
22	Correct	59 ms	2332 KB	Output is correct
23	Correct	29 ms	2332 KB	Output is correct
24	Correct	79 ms	2332 KB	Output is correct
25	Correct	13 ms	2336 KB	Output is correct
26	Correct	13 ms	2332 KB	Output is correct
27	Correct	13 ms	2332 KB	Output is correct
28	Correct	9 ms	2332 KB	Output is correct
29	Correct	6 ms	2336 KB	Output is correct
30	Correct	129 ms	2332 KB	Output is correct
31	Correct	53 ms	2336 KB	Output is correct
32	Correct	89 ms	2332 KB	Output is correct
33	Correct	3 ms	2332 KB	Output is correct
34	Correct	3 ms	2336 KB	Output is correct
35	Correct	6 ms	2336 KB	Output is correct
36	Correct	106 ms	2336 KB	Output is correct
37	Correct	186 ms	2336 KB	Output is correct
38	Correct	199 ms	2336 KB	Output is correct
39	Correct	13 ms	2332 KB	Output is correct
40	Correct	823 ms	2328 KB	Output is correct
41	Correct	9 ms	2336 KB	Output is correct
42	Correct	593 ms	2328 KB	Output is correct
43	Correct	123 ms	2328 KB	Output is correct
44	Correct	133 ms	2332 KB	Output is correct
45	Correct	126 ms	2336 KB	Output is correct
46	Correct	736 ms	2332 KB	Output is correct
47	Correct	539 ms	2328 KB	Output is correct
48	Correct	43 ms	2332 KB	Output is correct
49	Correct	29 ms	2332 KB	Output is correct
50	Correct	613 ms	2336 KB	Output is correct
51	Correct	3 ms	2332 KB	Output is correct
52	Correct	66 ms	2332 KB	Output is correct
53	Correct	689 ms	2336 KB	Output is correct
54	Correct	883 ms	2332 KB	Output is correct
55	Correct	116 ms	2328 KB	Output is correct
56	Correct	856 ms	2336 KB	Output is correct
57	Correct	129 ms	2332 KB	Output is correct
58	Execution timed out	1000 ms	2336 KB	Execution timed out
59	Halted	0 ms	0 KB	-

Subtask #6
0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2332 KB	Output is correct
2	Correct	0 ms	2328 KB	Output is correct
3	Correct	0 ms	2332 KB	Output is correct
4	Correct	0 ms	2332 KB	Output is correct
5	Correct	3 ms	2332 KB	Output is correct
6	Correct	0 ms	2332 KB	Output is correct
7	Correct	0 ms	2336 KB	Output is correct
8	Correct	3 ms	2336 KB	Output is correct
9	Correct	3 ms	2332 KB	Output is correct
10	Correct	0 ms	2332 KB	Output is correct
11	Correct	6 ms	2332 KB	Output is correct
12	Correct	9 ms	2336 KB	Output is correct
13	Correct	9 ms	2332 KB	Output is correct
14	Correct	3 ms	2332 KB	Output is correct
15	Correct	6 ms	2328 KB	Output is correct
16	Correct	9 ms	2332 KB	Output is correct
17	Correct	3 ms	2332 KB	Output is correct
18	Correct	3 ms	2332 KB	Output is correct
19	Correct	3 ms	2336 KB	Output is correct
20	Correct	0 ms	2336 KB	Output is correct
21	Correct	43 ms	2332 KB	Output is correct
22	Correct	59 ms	2332 KB	Output is correct
23	Correct	29 ms	2332 KB	Output is correct
24	Correct	79 ms	2332 KB	Output is correct
25	Correct	13 ms	2336 KB	Output is correct
26	Correct	13 ms	2332 KB	Output is correct
27	Correct	13 ms	2332 KB	Output is correct
28	Correct	9 ms	2332 KB	Output is correct
29	Correct	6 ms	2336 KB	Output is correct
30	Correct	129 ms	2332 KB	Output is correct
31	Correct	53 ms	2336 KB	Output is correct
32	Correct	89 ms	2332 KB	Output is correct
33	Correct	3 ms	2332 KB	Output is correct
34	Correct	3 ms	2336 KB	Output is correct
35	Correct	6 ms	2336 KB	Output is correct
36	Correct	106 ms	2336 KB	Output is correct
37	Correct	186 ms	2336 KB	Output is correct
38	Correct	199 ms	2336 KB	Output is correct
39	Correct	13 ms	2332 KB	Output is correct
40	Correct	823 ms	2328 KB	Output is correct
41	Correct	9 ms	2336 KB	Output is correct
42	Correct	593 ms	2328 KB	Output is correct
43	Correct	123 ms	2328 KB	Output is correct
44	Correct	133 ms	2332 KB	Output is correct
45	Correct	126 ms	2336 KB	Output is correct
46	Correct	736 ms	2332 KB	Output is correct
47	Correct	539 ms	2328 KB	Output is correct
48	Correct	43 ms	2332 KB	Output is correct
49	Correct	29 ms	2332 KB	Output is correct
50	Correct	613 ms	2336 KB	Output is correct
51	Correct	3 ms	2332 KB	Output is correct
52	Correct	66 ms	2332 KB	Output is correct
53	Correct	689 ms	2336 KB	Output is correct
54	Correct	883 ms	2332 KB	Output is correct
55	Correct	116 ms	2328 KB	Output is correct
56	Correct	856 ms	2336 KB	Output is correct
57	Correct	129 ms	2332 KB	Output is correct
58	Execution timed out	1000 ms	2336 KB	Execution timed out
59	Halted	0 ms	0 KB	-

답안 #37480

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