답안 #37479 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
37479	2017-12-25T18:29:39 Z	Kerim	Bootfall (IZhO17_bootfall)	C++14	65 / 100	619 ms	2156 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=355;
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	메모리	Grader output
1	Correct	2156 KB	Output is correct
2	Correct	2156 KB	Output is correct
3	Correct	2156 KB	Output is correct
4	Correct	2156 KB	Output is correct
5	Correct	2156 KB	Output is correct
6	Correct	2156 KB	Output is correct
7	Correct	2156 KB	Output is correct
8	Correct	2156 KB	Output is correct
9	Correct	2156 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2156 KB	Output is correct
2	Correct	0 ms	2156 KB	Output is correct
3	Correct	0 ms	2156 KB	Output is correct
4	Correct	0 ms	2156 KB	Output is correct
5	Correct	0 ms	2156 KB	Output is correct
6	Correct	0 ms	2156 KB	Output is correct
7	Correct	0 ms	2156 KB	Output is correct
8	Correct	0 ms	2156 KB	Output is correct
9	Correct	0 ms	2156 KB	Output is correct
10	Correct	0 ms	2156 KB	Output is correct
11	Correct	3 ms	2156 KB	Output is correct
12	Correct	3 ms	2156 KB	Output is correct
13	Correct	3 ms	2156 KB	Output is correct
14	Correct	3 ms	2156 KB	Output is correct
15	Correct	0 ms	2156 KB	Output is correct
16	Correct	3 ms	2156 KB	Output is correct
17	Correct	0 ms	2156 KB	Output is correct
18	Correct	0 ms	2156 KB	Output is correct
19	Correct	0 ms	2156 KB	Output is correct
20	Correct	0 ms	2156 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2156 KB	Output is correct
2	Correct	0 ms	2156 KB	Output is correct
3	Correct	0 ms	2156 KB	Output is correct
4	Correct	0 ms	2156 KB	Output is correct
5	Correct	0 ms	2156 KB	Output is correct
6	Correct	0 ms	2156 KB	Output is correct
7	Correct	0 ms	2156 KB	Output is correct
8	Correct	0 ms	2156 KB	Output is correct
9	Correct	0 ms	2156 KB	Output is correct
10	Correct	0 ms	2156 KB	Output is correct
11	Correct	3 ms	2156 KB	Output is correct
12	Correct	3 ms	2156 KB	Output is correct
13	Correct	3 ms	2156 KB	Output is correct
14	Correct	3 ms	2156 KB	Output is correct
15	Correct	0 ms	2156 KB	Output is correct
16	Correct	3 ms	2156 KB	Output is correct
17	Correct	0 ms	2156 KB	Output is correct
18	Correct	0 ms	2156 KB	Output is correct
19	Correct	0 ms	2156 KB	Output is correct
20	Correct	0 ms	2156 KB	Output is correct
21	Correct	19 ms	2156 KB	Output is correct
22	Correct	23 ms	2156 KB	Output is correct
23	Correct	13 ms	2156 KB	Output is correct
24	Correct	29 ms	2156 KB	Output is correct
25	Correct	6 ms	2156 KB	Output is correct
26	Correct	6 ms	2156 KB	Output is correct
27	Correct	6 ms	2156 KB	Output is correct
28	Correct	3 ms	2156 KB	Output is correct
29	Correct	3 ms	2156 KB	Output is correct
30	Correct	53 ms	2156 KB	Output is correct
31	Correct	23 ms	2156 KB	Output is correct
32	Correct	36 ms	2156 KB	Output is correct
33	Correct	0 ms	2156 KB	Output is correct
34	Correct	0 ms	2156 KB	Output is correct
35	Correct	3 ms	2156 KB	Output is correct
36	Correct	43 ms	2156 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2156 KB	Output is correct
2	Correct	0 ms	2156 KB	Output is correct
3	Correct	0 ms	2156 KB	Output is correct
4	Correct	0 ms	2156 KB	Output is correct
5	Correct	0 ms	2156 KB	Output is correct
6	Correct	0 ms	2156 KB	Output is correct
7	Correct	0 ms	2156 KB	Output is correct
8	Correct	0 ms	2156 KB	Output is correct
9	Correct	0 ms	2156 KB	Output is correct
10	Correct	0 ms	2156 KB	Output is correct
11	Correct	3 ms	2156 KB	Output is correct
12	Correct	3 ms	2156 KB	Output is correct
13	Correct	3 ms	2156 KB	Output is correct
14	Correct	3 ms	2156 KB	Output is correct
15	Correct	0 ms	2156 KB	Output is correct
16	Correct	3 ms	2156 KB	Output is correct
17	Correct	0 ms	2156 KB	Output is correct
18	Correct	0 ms	2156 KB	Output is correct
19	Correct	0 ms	2156 KB	Output is correct
20	Correct	0 ms	2156 KB	Output is correct
21	Correct	19 ms	2156 KB	Output is correct
22	Correct	23 ms	2156 KB	Output is correct
23	Correct	13 ms	2156 KB	Output is correct
24	Correct	29 ms	2156 KB	Output is correct
25	Correct	6 ms	2156 KB	Output is correct
26	Correct	6 ms	2156 KB	Output is correct
27	Correct	6 ms	2156 KB	Output is correct
28	Correct	3 ms	2156 KB	Output is correct
29	Correct	3 ms	2156 KB	Output is correct
30	Correct	53 ms	2156 KB	Output is correct
31	Correct	23 ms	2156 KB	Output is correct
32	Correct	36 ms	2156 KB	Output is correct
33	Correct	0 ms	2156 KB	Output is correct
34	Correct	0 ms	2156 KB	Output is correct
35	Correct	3 ms	2156 KB	Output is correct
36	Correct	43 ms	2156 KB	Output is correct
37	Correct	93 ms	2156 KB	Output is correct
38	Correct	106 ms	2156 KB	Output is correct
39	Correct	3 ms	2156 KB	Output is correct
40	Correct	333 ms	2156 KB	Output is correct
41	Correct	3 ms	2156 KB	Output is correct
42	Correct	253 ms	2156 KB	Output is correct
43	Correct	59 ms	2156 KB	Output is correct
44	Correct	56 ms	2156 KB	Output is correct
45	Correct	63 ms	2156 KB	Output is correct
46	Correct	333 ms	2156 KB	Output is correct
47	Correct	253 ms	2156 KB	Output is correct
48	Correct	16 ms	2156 KB	Output is correct
49	Correct	9 ms	2156 KB	Output is correct
50	Correct	293 ms	2156 KB	Output is correct
51	Correct	0 ms	2156 KB	Output is correct
52	Correct	33 ms	2156 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2156 KB	Output is correct
2	Correct	0 ms	2156 KB	Output is correct
3	Correct	0 ms	2156 KB	Output is correct
4	Correct	0 ms	2156 KB	Output is correct
5	Correct	0 ms	2156 KB	Output is correct
6	Correct	0 ms	2156 KB	Output is correct
7	Correct	0 ms	2156 KB	Output is correct
8	Correct	0 ms	2156 KB	Output is correct
9	Correct	0 ms	2156 KB	Output is correct
10	Correct	0 ms	2156 KB	Output is correct
11	Correct	3 ms	2156 KB	Output is correct
12	Correct	3 ms	2156 KB	Output is correct
13	Correct	3 ms	2156 KB	Output is correct
14	Correct	3 ms	2156 KB	Output is correct
15	Correct	0 ms	2156 KB	Output is correct
16	Correct	3 ms	2156 KB	Output is correct
17	Correct	0 ms	2156 KB	Output is correct
18	Correct	0 ms	2156 KB	Output is correct
19	Correct	0 ms	2156 KB	Output is correct
20	Correct	0 ms	2156 KB	Output is correct
21	Correct	19 ms	2156 KB	Output is correct
22	Correct	23 ms	2156 KB	Output is correct
23	Correct	13 ms	2156 KB	Output is correct
24	Correct	29 ms	2156 KB	Output is correct
25	Correct	6 ms	2156 KB	Output is correct
26	Correct	6 ms	2156 KB	Output is correct
27	Correct	6 ms	2156 KB	Output is correct
28	Correct	3 ms	2156 KB	Output is correct
29	Correct	3 ms	2156 KB	Output is correct
30	Correct	53 ms	2156 KB	Output is correct
31	Correct	23 ms	2156 KB	Output is correct
32	Correct	36 ms	2156 KB	Output is correct
33	Correct	0 ms	2156 KB	Output is correct
34	Correct	0 ms	2156 KB	Output is correct
35	Correct	3 ms	2156 KB	Output is correct
36	Correct	43 ms	2156 KB	Output is correct
37	Correct	93 ms	2156 KB	Output is correct
38	Correct	106 ms	2156 KB	Output is correct
39	Correct	3 ms	2156 KB	Output is correct
40	Correct	333 ms	2156 KB	Output is correct
41	Correct	3 ms	2156 KB	Output is correct
42	Correct	253 ms	2156 KB	Output is correct
43	Correct	59 ms	2156 KB	Output is correct
44	Correct	56 ms	2156 KB	Output is correct
45	Correct	63 ms	2156 KB	Output is correct
46	Correct	333 ms	2156 KB	Output is correct
47	Correct	253 ms	2156 KB	Output is correct
48	Correct	16 ms	2156 KB	Output is correct
49	Correct	9 ms	2156 KB	Output is correct
50	Correct	293 ms	2156 KB	Output is correct
51	Correct	0 ms	2156 KB	Output is correct
52	Correct	33 ms	2156 KB	Output is correct
53	Correct	333 ms	2156 KB	Output is correct
54	Correct	359 ms	2156 KB	Output is correct
55	Correct	49 ms	2156 KB	Output is correct
56	Correct	389 ms	2156 KB	Output is correct
57	Correct	63 ms	2156 KB	Output is correct
58	Correct	553 ms	2156 KB	Output is correct
59	Correct	303 ms	2156 KB	Output is correct
60	Correct	3 ms	2156 KB	Output is correct
61	Correct	309 ms	2156 KB	Output is correct
62	Correct	143 ms	2156 KB	Output is correct
63	Correct	86 ms	2156 KB	Output is correct
64	Correct	76 ms	2156 KB	Output is correct
65	Correct	26 ms	2156 KB	Output is correct
66	Correct	103 ms	2156 KB	Output is correct

Subtask #6
0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	2156 KB	Output is correct
2	Correct	0 ms	2156 KB	Output is correct
3	Correct	0 ms	2156 KB	Output is correct
4	Correct	0 ms	2156 KB	Output is correct
5	Correct	0 ms	2156 KB	Output is correct
6	Correct	0 ms	2156 KB	Output is correct
7	Correct	0 ms	2156 KB	Output is correct
8	Correct	0 ms	2156 KB	Output is correct
9	Correct	0 ms	2156 KB	Output is correct
10	Correct	0 ms	2156 KB	Output is correct
11	Correct	3 ms	2156 KB	Output is correct
12	Correct	3 ms	2156 KB	Output is correct
13	Correct	3 ms	2156 KB	Output is correct
14	Correct	3 ms	2156 KB	Output is correct
15	Correct	0 ms	2156 KB	Output is correct
16	Correct	3 ms	2156 KB	Output is correct
17	Correct	0 ms	2156 KB	Output is correct
18	Correct	0 ms	2156 KB	Output is correct
19	Correct	0 ms	2156 KB	Output is correct
20	Correct	0 ms	2156 KB	Output is correct
21	Correct	19 ms	2156 KB	Output is correct
22	Correct	23 ms	2156 KB	Output is correct
23	Correct	13 ms	2156 KB	Output is correct
24	Correct	29 ms	2156 KB	Output is correct
25	Correct	6 ms	2156 KB	Output is correct
26	Correct	6 ms	2156 KB	Output is correct
27	Correct	6 ms	2156 KB	Output is correct
28	Correct	3 ms	2156 KB	Output is correct
29	Correct	3 ms	2156 KB	Output is correct
30	Correct	53 ms	2156 KB	Output is correct
31	Correct	23 ms	2156 KB	Output is correct
32	Correct	36 ms	2156 KB	Output is correct
33	Correct	0 ms	2156 KB	Output is correct
34	Correct	0 ms	2156 KB	Output is correct
35	Correct	3 ms	2156 KB	Output is correct
36	Correct	43 ms	2156 KB	Output is correct
37	Correct	93 ms	2156 KB	Output is correct
38	Correct	106 ms	2156 KB	Output is correct
39	Correct	3 ms	2156 KB	Output is correct
40	Correct	333 ms	2156 KB	Output is correct
41	Correct	3 ms	2156 KB	Output is correct
42	Correct	253 ms	2156 KB	Output is correct
43	Correct	59 ms	2156 KB	Output is correct
44	Correct	56 ms	2156 KB	Output is correct
45	Correct	63 ms	2156 KB	Output is correct
46	Correct	333 ms	2156 KB	Output is correct
47	Correct	253 ms	2156 KB	Output is correct
48	Correct	16 ms	2156 KB	Output is correct
49	Correct	9 ms	2156 KB	Output is correct
50	Correct	293 ms	2156 KB	Output is correct
51	Correct	0 ms	2156 KB	Output is correct
52	Correct	33 ms	2156 KB	Output is correct
53	Correct	333 ms	2156 KB	Output is correct
54	Correct	359 ms	2156 KB	Output is correct
55	Correct	49 ms	2156 KB	Output is correct
56	Correct	389 ms	2156 KB	Output is correct
57	Correct	63 ms	2156 KB	Output is correct
58	Correct	553 ms	2156 KB	Output is correct
59	Correct	303 ms	2156 KB	Output is correct
60	Correct	3 ms	2156 KB	Output is correct
61	Correct	309 ms	2156 KB	Output is correct
62	Correct	143 ms	2156 KB	Output is correct
63	Correct	86 ms	2156 KB	Output is correct
64	Correct	76 ms	2156 KB	Output is correct
65	Correct	26 ms	2156 KB	Output is correct
66	Correct	103 ms	2156 KB	Output is correct
67	Incorrect	619 ms	2156 KB	Output isn't correct
68	Halted	0 ms	0 KB	-

답안 #37479

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 21.0 / 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
21.0 / 21.0

Subtask #6
0 / 35.0