oj.uz

Submission #169564

# Submission time Handle Problem Language Result Execution time Memory
169564 2019-12-21T05:39:41 Z Gurban Bootfall (IZhO17_bootfall) C++14
100 / 100
 439 ms 3628 KB 
#include <bits/stdc++.h>
 
#define pb push_back
#define ss second
#define ff first
#define N 250009
#define inf 1000000009
#define ll long long
#define mid(a,b) (a+b)/2
 
using namespace std;
 
int n,a[509],sum,dp[N],s,vis[N];
vector <int> v;
 
const int mod = 1e9+7;
 
int main()
{
	scanf("%d",&n);
	for(int i = 1;i <= n;i++){
		scanf("%d",&a[i]);
		sum += a[i];
	}
	dp[0] = 1;
	for(int i = 1;i <= n;i++)
		for(int j = sum;j >= 0;j--)
			dp[j + a[i]] += dp[j];
		
	if(sum % 2 == 1 or  dp[sum / 2] == 0)
		return cout << 0,0;
	
	for(int i = 1;i <= n;i++){
		for(int j = a[i];j <= sum;j++)
			dp[j] -= dp[j - a[i]];
		
		for(int j = 1;j < sum;j++){
			if(vis[j] < i - 1) continue;
			s = sum - a[i] + j;
			if(s % 2 == 0 and s / 2 - j >= 0 and dp[s / 2 - j])
				vis[j]++;
		}
		for(int j = sum;j >= a[i];j--)
			dp[j] += dp[j - a[i]];
	}
	for(int i = 1;i <= sum;i++)
		if(vis[i] == n) v.pb(i);
	printf("%d\n",v.size());
	for(auto i : v) printf("%d\n",i);
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:48:24: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<int>::size_type {aka long unsigned int}' [-Wformat=]
  printf("%d\n",v.size());
                ~~~~~~~~^
bootfall.cpp:20:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
  ~~~~~^~~~~~~~~
bootfall.cpp:22:8: 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 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 504 KB Output is correct
9 Correct 2 ms 376 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 504 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 348 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 252 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 504 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 348 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 252 KB Output is correct
21 Correct 3 ms 376 KB Output is correct
22 Correct 3 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 4 ms 376 KB Output is correct
25 Correct 5 ms 504 KB Output is correct
26 Correct 5 ms 504 KB Output is correct
27 Correct 5 ms 504 KB Output is correct
28 Correct 5 ms 376 KB Output is correct
29 Correct 5 ms 376 KB Output is correct
30 Correct 4 ms 376 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 4 ms 380 KB Output is correct
33 Correct 5 ms 376 KB Output is correct
34 Correct 5 ms 376 KB Output is correct
35 Correct 5 ms 380 KB Output is correct
36 Correct 4 ms 376 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 504 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 348 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 252 KB Output is correct
21 Correct 3 ms 376 KB Output is correct
22 Correct 3 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 4 ms 376 KB Output is correct
25 Correct 5 ms 504 KB Output is correct
26 Correct 5 ms 504 KB Output is correct
27 Correct 5 ms 504 KB Output is correct
28 Correct 5 ms 376 KB Output is correct
29 Correct 5 ms 376 KB Output is correct
30 Correct 4 ms 376 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 4 ms 380 KB Output is correct
33 Correct 5 ms 376 KB Output is correct
34 Correct 5 ms 376 KB Output is correct
35 Correct 5 ms 380 KB Output is correct
36 Correct 4 ms 376 KB Output is correct
37 Correct 17 ms 632 KB Output is correct
38 Correct 17 ms 632 KB Output is correct
39 Correct 47 ms 888 KB Output is correct
40 Correct 35 ms 760 KB Output is correct
41 Correct 60 ms 888 KB Output is correct
42 Correct 30 ms 772 KB Output is correct
43 Correct 52 ms 1144 KB Output is correct
44 Correct 54 ms 1144 KB Output is correct
45 Correct 55 ms 1144 KB Output is correct
46 Correct 27 ms 504 KB Output is correct
47 Correct 33 ms 764 KB Output is correct
48 Correct 55 ms 1144 KB Output is correct
49 Correct 49 ms 888 KB Output is correct
50 Correct 33 ms 760 KB Output is correct
51 Correct 7 ms 504 KB Output is correct
52 Correct 70 ms 1400 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 504 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 348 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 252 KB Output is correct
21 Correct 3 ms 376 KB Output is correct
22 Correct 3 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 4 ms 376 KB Output is correct
25 Correct 5 ms 504 KB Output is correct
26 Correct 5 ms 504 KB Output is correct
27 Correct 5 ms 504 KB Output is correct
28 Correct 5 ms 376 KB Output is correct
29 Correct 5 ms 376 KB Output is correct
30 Correct 4 ms 376 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 4 ms 380 KB Output is correct
33 Correct 5 ms 376 KB Output is correct
34 Correct 5 ms 376 KB Output is correct
35 Correct 5 ms 380 KB Output is correct
36 Correct 4 ms 376 KB Output is correct
37 Correct 17 ms 632 KB Output is correct
38 Correct 17 ms 632 KB Output is correct
39 Correct 47 ms 888 KB Output is correct
40 Correct 35 ms 760 KB Output is correct
41 Correct 60 ms 888 KB Output is correct
42 Correct 30 ms 772 KB Output is correct
43 Correct 52 ms 1144 KB Output is correct
44 Correct 54 ms 1144 KB Output is correct
45 Correct 55 ms 1144 KB Output is correct
46 Correct 27 ms 504 KB Output is correct
47 Correct 33 ms 764 KB Output is correct
48 Correct 55 ms 1144 KB Output is correct
49 Correct 49 ms 888 KB Output is correct
50 Correct 33 ms 760 KB Output is correct
51 Correct 7 ms 504 KB Output is correct
52 Correct 70 ms 1400 KB Output is correct
53 Correct 53 ms 1016 KB Output is correct
54 Correct 74 ms 1116 KB Output is correct
55 Correct 142 ms 1784 KB Output is correct
56 Correct 66 ms 1232 KB Output is correct
57 Correct 151 ms 1980 KB Output is correct
58 Correct 81 ms 1272 KB Output is correct
59 Correct 101 ms 1484 KB Output is correct
60 Correct 15 ms 632 KB Output is correct
61 Correct 113 ms 1524 KB Output is correct
62 Correct 115 ms 1628 KB Output is correct
63 Correct 124 ms 1780 KB Output is correct
64 Correct 120 ms 1780 KB Output is correct
65 Correct 50 ms 760 KB Output is correct
66 Correct 53 ms 888 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 504 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 348 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 252 KB Output is correct
21 Correct 3 ms 376 KB Output is correct
22 Correct 3 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 4 ms 376 KB Output is correct
25 Correct 5 ms 504 KB Output is correct
26 Correct 5 ms 504 KB Output is correct
27 Correct 5 ms 504 KB Output is correct
28 Correct 5 ms 376 KB Output is correct
29 Correct 5 ms 376 KB Output is correct
30 Correct 4 ms 376 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 4 ms 380 KB Output is correct
33 Correct 5 ms 376 KB Output is correct
34 Correct 5 ms 376 KB Output is correct
35 Correct 5 ms 380 KB Output is correct
36 Correct 4 ms 376 KB Output is correct
37 Correct 17 ms 632 KB Output is correct
38 Correct 17 ms 632 KB Output is correct
39 Correct 47 ms 888 KB Output is correct
40 Correct 35 ms 760 KB Output is correct
41 Correct 60 ms 888 KB Output is correct
42 Correct 30 ms 772 KB Output is correct
43 Correct 52 ms 1144 KB Output is correct
44 Correct 54 ms 1144 KB Output is correct
45 Correct 55 ms 1144 KB Output is correct
46 Correct 27 ms 504 KB Output is correct
47 Correct 33 ms 764 KB Output is correct
48 Correct 55 ms 1144 KB Output is correct
49 Correct 49 ms 888 KB Output is correct
50 Correct 33 ms 760 KB Output is correct
51 Correct 7 ms 504 KB Output is correct
52 Correct 70 ms 1400 KB Output is correct
53 Correct 53 ms 1016 KB Output is correct
54 Correct 74 ms 1116 KB Output is correct
55 Correct 142 ms 1784 KB Output is correct
56 Correct 66 ms 1232 KB Output is correct
57 Correct 151 ms 1980 KB Output is correct
58 Correct 81 ms 1272 KB Output is correct
59 Correct 101 ms 1484 KB Output is correct
60 Correct 15 ms 632 KB Output is correct
61 Correct 113 ms 1524 KB Output is correct
62 Correct 115 ms 1628 KB Output is correct
63 Correct 124 ms 1780 KB Output is correct
64 Correct 120 ms 1780 KB Output is correct
65 Correct 50 ms 760 KB Output is correct
66 Correct 53 ms 888 KB Output is correct
67 Correct 120 ms 1496 KB Output is correct
68 Correct 41 ms 760 KB Output is correct
69 Correct 388 ms 3108 KB Output is correct
70 Correct 236 ms 2164 KB Output is correct
71 Correct 229 ms 2164 KB Output is correct
72 Correct 184 ms 1400 KB Output is correct
73 Correct 182 ms 1272 KB Output is correct
74 Correct 407 ms 3312 KB Output is correct
75 Correct 318 ms 2800 KB Output is correct
76 Correct 437 ms 3540 KB Output is correct
77 Correct 439 ms 3628 KB Output is correct