oj.uz

Submission #37479

# Submission time Handle Problem Language Result Execution time Memory
37479 2017-12-25T18:29:39 Z Kerim Bootfall (IZhO17_bootfall) C++14
65 / 100
 619 ms 2156 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=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

# Verdict Execution time Memory 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

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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 -