oj.uz

Submission #169563

# Submission time Handle Problem Language Result Execution time Memory
169563 2019-12-21T05:37:28 Z Gurban Bootfall (IZhO17_bootfall) C++14
28 / 100
 1000 ms 3448 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;
map <int,int> m;
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(m[j] < i - 1) continue;
			s = sum - a[i] + j;
			if(s % 2 == 0 and s / 2 - j >= 0 and dp[s / 2 - j])
				m[j]++;
		}
		for(int j = sum;j >= a[i];j--)
			dp[j] += dp[j - a[i]];
	}
	for(auto i : m)
		if(i.ss == n) v.pb(i.ff);
	printf("%d\n",v.size());
	for(auto i : v) printf("%d\n",i);
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:49:24: 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:21:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
  ~~~~~^~~~~~~~~
bootfall.cpp:23:8: 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 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 4 ms 380 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 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 4 ms 380 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 3 ms 376 KB Output is correct
11 Correct 3 ms 376 KB Output is correct
12 Correct 3 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 3 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 364 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 3 ms 376 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 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 4 ms 380 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 3 ms 376 KB Output is correct
11 Correct 3 ms 376 KB Output is correct
12 Correct 3 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 3 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 364 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 3 ms 376 KB Output is correct
21 Correct 22 ms 504 KB Output is correct
22 Correct 27 ms 504 KB Output is correct
23 Correct 13 ms 492 KB Output is correct
24 Correct 46 ms 632 KB Output is correct
25 Correct 85 ms 828 KB Output is correct
26 Correct 97 ms 988 KB Output is correct
27 Correct 83 ms 760 KB Output is correct
28 Correct 85 ms 760 KB Output is correct
29 Correct 84 ms 760 KB Output is correct
30 Correct 40 ms 632 KB Output is correct
31 Correct 81 ms 888 KB Output is correct
32 Correct 51 ms 612 KB Output is correct
33 Correct 79 ms 888 KB Output is correct
34 Correct 79 ms 888 KB Output is correct
35 Correct 79 ms 888 KB Output is correct
36 Correct 50 ms 632 KB Output is correct

Subtask #4
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 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 4 ms 380 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 3 ms 376 KB Output is correct
11 Correct 3 ms 376 KB Output is correct
12 Correct 3 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 3 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 364 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 3 ms 376 KB Output is correct
21 Correct 22 ms 504 KB Output is correct
22 Correct 27 ms 504 KB Output is correct
23 Correct 13 ms 492 KB Output is correct
24 Correct 46 ms 632 KB Output is correct
25 Correct 85 ms 828 KB Output is correct
26 Correct 97 ms 988 KB Output is correct
27 Correct 83 ms 760 KB Output is correct
28 Correct 85 ms 760 KB Output is correct
29 Correct 84 ms 760 KB Output is correct
30 Correct 40 ms 632 KB Output is correct
31 Correct 81 ms 888 KB Output is correct
32 Correct 51 ms 612 KB Output is correct
33 Correct 79 ms 888 KB Output is correct
34 Correct 79 ms 888 KB Output is correct
35 Correct 79 ms 888 KB Output is correct
36 Correct 50 ms 632 KB Output is correct
37 Correct 471 ms 1500 KB Output is correct
38 Correct 504 ms 1628 KB Output is correct
39 Execution timed out 1083 ms 3448 KB Time limit exceeded
40 Halted 0 ms 0 KB -

Subtask #5
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 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 4 ms 380 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 3 ms 376 KB Output is correct
11 Correct 3 ms 376 KB Output is correct
12 Correct 3 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 3 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 364 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 3 ms 376 KB Output is correct
21 Correct 22 ms 504 KB Output is correct
22 Correct 27 ms 504 KB Output is correct
23 Correct 13 ms 492 KB Output is correct
24 Correct 46 ms 632 KB Output is correct
25 Correct 85 ms 828 KB Output is correct
26 Correct 97 ms 988 KB Output is correct
27 Correct 83 ms 760 KB Output is correct
28 Correct 85 ms 760 KB Output is correct
29 Correct 84 ms 760 KB Output is correct
30 Correct 40 ms 632 KB Output is correct
31 Correct 81 ms 888 KB Output is correct
32 Correct 51 ms 612 KB Output is correct
33 Correct 79 ms 888 KB Output is correct
34 Correct 79 ms 888 KB Output is correct
35 Correct 79 ms 888 KB Output is correct
36 Correct 50 ms 632 KB Output is correct
37 Correct 471 ms 1500 KB Output is correct
38 Correct 504 ms 1628 KB Output is correct
39 Execution timed out 1083 ms 3448 KB Time limit exceeded
40 Halted 0 ms 0 KB -

Subtask #6
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 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 4 ms 380 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 3 ms 376 KB Output is correct
11 Correct 3 ms 376 KB Output is correct
12 Correct 3 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 3 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 364 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 3 ms 376 KB Output is correct
21 Correct 22 ms 504 KB Output is correct
22 Correct 27 ms 504 KB Output is correct
23 Correct 13 ms 492 KB Output is correct
24 Correct 46 ms 632 KB Output is correct
25 Correct 85 ms 828 KB Output is correct
26 Correct 97 ms 988 KB Output is correct
27 Correct 83 ms 760 KB Output is correct
28 Correct 85 ms 760 KB Output is correct
29 Correct 84 ms 760 KB Output is correct
30 Correct 40 ms 632 KB Output is correct
31 Correct 81 ms 888 KB Output is correct
32 Correct 51 ms 612 KB Output is correct
33 Correct 79 ms 888 KB Output is correct
34 Correct 79 ms 888 KB Output is correct
35 Correct 79 ms 888 KB Output is correct
36 Correct 50 ms 632 KB Output is correct
37 Correct 471 ms 1500 KB Output is correct
38 Correct 504 ms 1628 KB Output is correct
39 Execution timed out 1083 ms 3448 KB Time limit exceeded
40 Halted 0 ms 0 KB -