oj.uz

Submission #37480

# Submission time Handle Problem Language Result Execution time Memory
37480 2017-12-25T18:30:14 Z Kerim Bootfall (IZhO17_bootfall) C++14
44 / 100
 1000 ms 2336 KB 
#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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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 -