oj.uz

Submission #36156

# Submission time Handle Problem Language Result Execution time Memory
36156 2017-12-06T05:03:26 Z Dat160601 Bootfall (IZhO17_bootfall) C++14
100 / 100
 526 ms 5800 KB 
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
vector <int> ans;
int n,a[507],sum[507],dp[250007],save[250007],res[250007];
int main(){
	scanf("%d",&n);
	for(int i=1;i<=n;i++){
		scanf("%d",&a[i]);
		sum[i]=sum[i-1]+a[i];
	}
	if(sum[n]%2==1){
		printf("0");
		return 0;
	}
	save[0]=1;
	save[a[1]]=1;
	for(int i=2;i<=n;i++){
		for(int j=0;j<=sum[i];j++){
			if(j<a[i]) dp[j]=save[j];
			else dp[j]=save[j]+save[j-a[i]];
		}
		for(int j=0;j<=sum[i];j++) save[j]=dp[j];
	}
	if(dp[sum[n]/2]==0){
		printf("0");
		return 0;
	}
	for(int i=1;i<=n;i++){
		for(int j=0;j<=sum[n];j++) save[j]=dp[j];
		for(int j=0;j<=sum[n];j++){
			if(j>=a[i]) save[j]-=save[j-a[i]];
		}
		for(int j=sum[n];j>=1;j--){
			int val=sum[n]+j-a[i];
			if(val%2==1 || save[val/2]==0) continue;
			res[j]++;
		}
	}
	for(int j=1;j<=sum[n];j++){
		if(res[j]==n) ans.pb(j);
	}
	printf("%d\n",(int)ans.size());
	for(int i=0;i<(int)ans.size();i++) printf("%d ",ans[i]);
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:7:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
                ^
bootfall.cpp:9:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&a[i]);
                    ^

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4948 KB Output is correct
2 Correct 0 ms 4948 KB Output is correct
3 Correct 0 ms 4948 KB Output is correct
4 Correct 0 ms 4948 KB Output is correct
5 Correct 0 ms 4948 KB Output is correct
6 Correct 0 ms 4948 KB Output is correct
7 Correct 0 ms 4948 KB Output is correct
8 Correct 0 ms 4948 KB Output is correct
9 Correct 0 ms 4948 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4948 KB Output is correct
2 Correct 0 ms 4948 KB Output is correct
3 Correct 0 ms 4948 KB Output is correct
4 Correct 0 ms 4948 KB Output is correct
5 Correct 0 ms 4948 KB Output is correct
6 Correct 0 ms 4948 KB Output is correct
7 Correct 0 ms 4948 KB Output is correct
8 Correct 0 ms 4948 KB Output is correct
9 Correct 0 ms 4948 KB Output is correct
10 Correct 0 ms 4948 KB Output is correct
11 Correct 0 ms 4948 KB Output is correct
12 Correct 0 ms 4948 KB Output is correct
13 Correct 0 ms 4948 KB Output is correct
14 Correct 0 ms 4948 KB Output is correct
15 Correct 0 ms 4948 KB Output is correct
16 Correct 0 ms 4948 KB Output is correct
17 Correct 0 ms 4948 KB Output is correct
18 Correct 0 ms 4948 KB Output is correct
19 Correct 0 ms 4948 KB Output is correct
20 Correct 0 ms 4948 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4948 KB Output is correct
2 Correct 0 ms 4948 KB Output is correct
3 Correct 0 ms 4948 KB Output is correct
4 Correct 0 ms 4948 KB Output is correct
5 Correct 0 ms 4948 KB Output is correct
6 Correct 0 ms 4948 KB Output is correct
7 Correct 0 ms 4948 KB Output is correct
8 Correct 0 ms 4948 KB Output is correct
9 Correct 0 ms 4948 KB Output is correct
10 Correct 0 ms 4948 KB Output is correct
11 Correct 0 ms 4948 KB Output is correct
12 Correct 0 ms 4948 KB Output is correct
13 Correct 0 ms 4948 KB Output is correct
14 Correct 0 ms 4948 KB Output is correct
15 Correct 0 ms 4948 KB Output is correct
16 Correct 0 ms 4948 KB Output is correct
17 Correct 0 ms 4948 KB Output is correct
18 Correct 0 ms 4948 KB Output is correct
19 Correct 0 ms 4948 KB Output is correct
20 Correct 0 ms 4948 KB Output is correct
21 Correct 0 ms 4948 KB Output is correct
22 Correct 0 ms 4948 KB Output is correct
23 Correct 0 ms 4948 KB Output is correct
24 Correct 0 ms 4948 KB Output is correct
25 Correct 3 ms 4948 KB Output is correct
26 Correct 3 ms 4948 KB Output is correct
27 Correct 3 ms 4948 KB Output is correct
28 Correct 3 ms 4948 KB Output is correct
29 Correct 3 ms 4948 KB Output is correct
30 Correct 0 ms 4948 KB Output is correct
31 Correct 3 ms 4948 KB Output is correct
32 Correct 0 ms 4948 KB Output is correct
33 Correct 3 ms 4948 KB Output is correct
34 Correct 3 ms 4948 KB Output is correct
35 Correct 3 ms 4948 KB Output is correct
36 Correct 0 ms 4948 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4948 KB Output is correct
2 Correct 0 ms 4948 KB Output is correct
3 Correct 0 ms 4948 KB Output is correct
4 Correct 0 ms 4948 KB Output is correct
5 Correct 0 ms 4948 KB Output is correct
6 Correct 0 ms 4948 KB Output is correct
7 Correct 0 ms 4948 KB Output is correct
8 Correct 0 ms 4948 KB Output is correct
9 Correct 0 ms 4948 KB Output is correct
10 Correct 0 ms 4948 KB Output is correct
11 Correct 0 ms 4948 KB Output is correct
12 Correct 0 ms 4948 KB Output is correct
13 Correct 0 ms 4948 KB Output is correct
14 Correct 0 ms 4948 KB Output is correct
15 Correct 0 ms 4948 KB Output is correct
16 Correct 0 ms 4948 KB Output is correct
17 Correct 0 ms 4948 KB Output is correct
18 Correct 0 ms 4948 KB Output is correct
19 Correct 0 ms 4948 KB Output is correct
20 Correct 0 ms 4948 KB Output is correct
21 Correct 0 ms 4948 KB Output is correct
22 Correct 0 ms 4948 KB Output is correct
23 Correct 0 ms 4948 KB Output is correct
24 Correct 0 ms 4948 KB Output is correct
25 Correct 3 ms 4948 KB Output is correct
26 Correct 3 ms 4948 KB Output is correct
27 Correct 3 ms 4948 KB Output is correct
28 Correct 3 ms 4948 KB Output is correct
29 Correct 3 ms 4948 KB Output is correct
30 Correct 0 ms 4948 KB Output is correct
31 Correct 3 ms 4948 KB Output is correct
32 Correct 0 ms 4948 KB Output is correct
33 Correct 3 ms 4948 KB Output is correct
34 Correct 3 ms 4948 KB Output is correct
35 Correct 3 ms 4948 KB Output is correct
36 Correct 0 ms 4948 KB Output is correct
37 Correct 16 ms 5088 KB Output is correct
38 Correct 16 ms 5088 KB Output is correct
39 Correct 59 ms 4948 KB Output is correct
40 Correct 36 ms 5088 KB Output is correct
41 Correct 79 ms 4948 KB Output is correct
42 Correct 33 ms 5088 KB Output is correct
43 Correct 53 ms 5220 KB Output is correct
44 Correct 86 ms 5220 KB Output is correct
45 Correct 79 ms 5220 KB Output is correct
46 Correct 29 ms 4948 KB Output is correct
47 Correct 36 ms 5088 KB Output is correct
48 Correct 66 ms 5220 KB Output is correct
49 Correct 63 ms 5088 KB Output is correct
50 Correct 36 ms 5088 KB Output is correct
51 Correct 0 ms 4948 KB Output is correct
52 Correct 79 ms 5220 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4948 KB Output is correct
2 Correct 0 ms 4948 KB Output is correct
3 Correct 0 ms 4948 KB Output is correct
4 Correct 0 ms 4948 KB Output is correct
5 Correct 0 ms 4948 KB Output is correct
6 Correct 0 ms 4948 KB Output is correct
7 Correct 0 ms 4948 KB Output is correct
8 Correct 0 ms 4948 KB Output is correct
9 Correct 0 ms 4948 KB Output is correct
10 Correct 0 ms 4948 KB Output is correct
11 Correct 0 ms 4948 KB Output is correct
12 Correct 0 ms 4948 KB Output is correct
13 Correct 0 ms 4948 KB Output is correct
14 Correct 0 ms 4948 KB Output is correct
15 Correct 0 ms 4948 KB Output is correct
16 Correct 0 ms 4948 KB Output is correct
17 Correct 0 ms 4948 KB Output is correct
18 Correct 0 ms 4948 KB Output is correct
19 Correct 0 ms 4948 KB Output is correct
20 Correct 0 ms 4948 KB Output is correct
21 Correct 0 ms 4948 KB Output is correct
22 Correct 0 ms 4948 KB Output is correct
23 Correct 0 ms 4948 KB Output is correct
24 Correct 0 ms 4948 KB Output is correct
25 Correct 3 ms 4948 KB Output is correct
26 Correct 3 ms 4948 KB Output is correct
27 Correct 3 ms 4948 KB Output is correct
28 Correct 3 ms 4948 KB Output is correct
29 Correct 3 ms 4948 KB Output is correct
30 Correct 0 ms 4948 KB Output is correct
31 Correct 3 ms 4948 KB Output is correct
32 Correct 0 ms 4948 KB Output is correct
33 Correct 3 ms 4948 KB Output is correct
34 Correct 3 ms 4948 KB Output is correct
35 Correct 3 ms 4948 KB Output is correct
36 Correct 0 ms 4948 KB Output is correct
37 Correct 16 ms 5088 KB Output is correct
38 Correct 16 ms 5088 KB Output is correct
39 Correct 59 ms 4948 KB Output is correct
40 Correct 36 ms 5088 KB Output is correct
41 Correct 79 ms 4948 KB Output is correct
42 Correct 33 ms 5088 KB Output is correct
43 Correct 53 ms 5220 KB Output is correct
44 Correct 86 ms 5220 KB Output is correct
45 Correct 79 ms 5220 KB Output is correct
46 Correct 29 ms 4948 KB Output is correct
47 Correct 36 ms 5088 KB Output is correct
48 Correct 66 ms 5220 KB Output is correct
49 Correct 63 ms 5088 KB Output is correct
50 Correct 36 ms 5088 KB Output is correct
51 Correct 0 ms 4948 KB Output is correct
52 Correct 79 ms 5220 KB Output is correct
53 Correct 59 ms 5220 KB Output is correct
54 Correct 86 ms 5220 KB Output is correct
55 Correct 173 ms 5416 KB Output is correct
56 Correct 89 ms 5220 KB Output is correct
57 Correct 189 ms 5416 KB Output is correct
58 Correct 89 ms 5220 KB Output is correct
59 Correct 116 ms 5416 KB Output is correct
60 Correct 0 ms 4948 KB Output is correct
61 Correct 139 ms 5416 KB Output is correct
62 Correct 143 ms 5416 KB Output is correct
63 Correct 143 ms 5416 KB Output is correct
64 Correct 203 ms 5416 KB Output is correct
65 Correct 66 ms 4948 KB Output is correct
66 Correct 76 ms 5088 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4948 KB Output is correct
2 Correct 0 ms 4948 KB Output is correct
3 Correct 0 ms 4948 KB Output is correct
4 Correct 0 ms 4948 KB Output is correct
5 Correct 0 ms 4948 KB Output is correct
6 Correct 0 ms 4948 KB Output is correct
7 Correct 0 ms 4948 KB Output is correct
8 Correct 0 ms 4948 KB Output is correct
9 Correct 0 ms 4948 KB Output is correct
10 Correct 0 ms 4948 KB Output is correct
11 Correct 0 ms 4948 KB Output is correct
12 Correct 0 ms 4948 KB Output is correct
13 Correct 0 ms 4948 KB Output is correct
14 Correct 0 ms 4948 KB Output is correct
15 Correct 0 ms 4948 KB Output is correct
16 Correct 0 ms 4948 KB Output is correct
17 Correct 0 ms 4948 KB Output is correct
18 Correct 0 ms 4948 KB Output is correct
19 Correct 0 ms 4948 KB Output is correct
20 Correct 0 ms 4948 KB Output is correct
21 Correct 0 ms 4948 KB Output is correct
22 Correct 0 ms 4948 KB Output is correct
23 Correct 0 ms 4948 KB Output is correct
24 Correct 0 ms 4948 KB Output is correct
25 Correct 3 ms 4948 KB Output is correct
26 Correct 3 ms 4948 KB Output is correct
27 Correct 3 ms 4948 KB Output is correct
28 Correct 3 ms 4948 KB Output is correct
29 Correct 3 ms 4948 KB Output is correct
30 Correct 0 ms 4948 KB Output is correct
31 Correct 3 ms 4948 KB Output is correct
32 Correct 0 ms 4948 KB Output is correct
33 Correct 3 ms 4948 KB Output is correct
34 Correct 3 ms 4948 KB Output is correct
35 Correct 3 ms 4948 KB Output is correct
36 Correct 0 ms 4948 KB Output is correct
37 Correct 16 ms 5088 KB Output is correct
38 Correct 16 ms 5088 KB Output is correct
39 Correct 59 ms 4948 KB Output is correct
40 Correct 36 ms 5088 KB Output is correct
41 Correct 79 ms 4948 KB Output is correct
42 Correct 33 ms 5088 KB Output is correct
43 Correct 53 ms 5220 KB Output is correct
44 Correct 86 ms 5220 KB Output is correct
45 Correct 79 ms 5220 KB Output is correct
46 Correct 29 ms 4948 KB Output is correct
47 Correct 36 ms 5088 KB Output is correct
48 Correct 66 ms 5220 KB Output is correct
49 Correct 63 ms 5088 KB Output is correct
50 Correct 36 ms 5088 KB Output is correct
51 Correct 0 ms 4948 KB Output is correct
52 Correct 79 ms 5220 KB Output is correct
53 Correct 59 ms 5220 KB Output is correct
54 Correct 86 ms 5220 KB Output is correct
55 Correct 173 ms 5416 KB Output is correct
56 Correct 89 ms 5220 KB Output is correct
57 Correct 189 ms 5416 KB Output is correct
58 Correct 89 ms 5220 KB Output is correct
59 Correct 116 ms 5416 KB Output is correct
60 Correct 0 ms 4948 KB Output is correct
61 Correct 139 ms 5416 KB Output is correct
62 Correct 143 ms 5416 KB Output is correct
63 Correct 143 ms 5416 KB Output is correct
64 Correct 203 ms 5416 KB Output is correct
65 Correct 66 ms 4948 KB Output is correct
66 Correct 76 ms 5088 KB Output is correct
67 Correct 123 ms 5416 KB Output is correct
68 Correct 59 ms 4948 KB Output is correct
69 Correct 463 ms 5800 KB Output is correct
70 Correct 303 ms 5416 KB Output is correct
71 Correct 276 ms 5416 KB Output is correct
72 Correct 269 ms 4948 KB Output is correct
73 Correct 253 ms 4948 KB Output is correct
74 Correct 479 ms 5800 KB Output is correct
75 Correct 373 ms 5800 KB Output is correct
76 Correct 526 ms 5800 KB Output is correct
77 Correct 516 ms 5800 KB Output is correct