Submission #38456

# Submission time Handle Problem Language Result Execution time Memory
38456 2018-01-04T08:45:21 Z MrPlany Bootfall (IZhO17_bootfall) C++11
13 / 100
96 ms 5112 KB
//Bismillahi-rahmani-rahim

#include <bits/stdc++.h>
#include <algorithm>
using namespace std;

typedef long long  ll;
typedef map <int, int> mii;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;
const int inf=1e9;

#define azdar priority_queue<pair<int, int>, vector<pair<int, int>>, greater<pair<int, int>>>
#define Lebap ios_base :: sync_with_stdio(0), cin.tie(0), cout.tie(0);
#define mp make_pair
#define pb push_back
#define pf push_front
#define pk pop_back
#define ff first
#define ss second
#define all(x) x.begin(), x.end()
//#include <conio.h>
#include <climits>
const int N = 250000;

int n, a[509], dp[N+509], dp1[N+509], cnt[N+509];


int main(){
	Lebap;
	
	cin>>n;
	int sum=0;

	for(int i=1;i<=n;i++) cin>>a[i];
	for(int i=1;i<=n;i++) sum += a[i];
	dp[0]=1;	
	for(int i=1;i<=n;i++){
		for(int j=N;j>=0;j--){
			dp[j+a[i]]+=dp[j];
		}
	}
	
	if(sum%2!=0 || dp[sum/2]==0) return cout << 0 , 0;
	
	for(int i=1;i<=n;i++){
		
		memset( dp1, 0, sizeof(dp1) );
	
		for(int j=0;j<=N;j++){
			dp1[j]+=dp[j];
			dp1[j+a[i]]-=dp1[j];
		}
	
		for(int j=0;j<=N;j++){
			if(sum-a[i]-j>=0 && (sum-a[i]+j)%2==0 && dp1[ (sum-a[i]-j)/2 ]!=0) cnt[j]++;
		}
	
	}
	
	vector <int> ans;
	ans.clear();
	for(int i=1;i<=N;i++) if( cnt[i] == n ) ans.pb(i);
	cout << ans.size() << endl;
	for(int i=0;i<ans.size();i++) cout << ans[i] << " ";
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:65:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<ans.size();i++) cout << ans[i] << " ";
               ^
# Verdict Execution time Memory Grader output
1 Correct 6 ms 5112 KB Output is correct
2 Correct 6 ms 5112 KB Output is correct
3 Correct 0 ms 5112 KB Output is correct
4 Correct 3 ms 5112 KB Output is correct
5 Correct 13 ms 5112 KB Output is correct
6 Correct 9 ms 5112 KB Output is correct
7 Correct 6 ms 5112 KB Output is correct
8 Correct 16 ms 5112 KB Output is correct
9 Correct 9 ms 5112 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 6 ms 5112 KB Output is correct
2 Correct 6 ms 5112 KB Output is correct
3 Correct 0 ms 5112 KB Output is correct
4 Correct 3 ms 5112 KB Output is correct
5 Correct 13 ms 5112 KB Output is correct
6 Correct 9 ms 5112 KB Output is correct
7 Correct 6 ms 5112 KB Output is correct
8 Correct 16 ms 5112 KB Output is correct
9 Correct 9 ms 5112 KB Output is correct
10 Correct 33 ms 5112 KB Output is correct
11 Correct 46 ms 5112 KB Output is correct
12 Correct 26 ms 5112 KB Output is correct
13 Correct 26 ms 5112 KB Output is correct
14 Correct 36 ms 5112 KB Output is correct
15 Correct 36 ms 5112 KB Output is correct
16 Correct 33 ms 5112 KB Output is correct
17 Correct 16 ms 5112 KB Output is correct
18 Correct 23 ms 5112 KB Output is correct
19 Correct 26 ms 5112 KB Output is correct
20 Correct 26 ms 5112 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 6 ms 5112 KB Output is correct
2 Correct 6 ms 5112 KB Output is correct
3 Correct 0 ms 5112 KB Output is correct
4 Correct 3 ms 5112 KB Output is correct
5 Correct 13 ms 5112 KB Output is correct
6 Correct 9 ms 5112 KB Output is correct
7 Correct 6 ms 5112 KB Output is correct
8 Correct 16 ms 5112 KB Output is correct
9 Correct 9 ms 5112 KB Output is correct
10 Correct 33 ms 5112 KB Output is correct
11 Correct 46 ms 5112 KB Output is correct
12 Correct 26 ms 5112 KB Output is correct
13 Correct 26 ms 5112 KB Output is correct
14 Correct 36 ms 5112 KB Output is correct
15 Correct 36 ms 5112 KB Output is correct
16 Correct 33 ms 5112 KB Output is correct
17 Correct 16 ms 5112 KB Output is correct
18 Correct 23 ms 5112 KB Output is correct
19 Correct 26 ms 5112 KB Output is correct
20 Correct 26 ms 5112 KB Output is correct
21 Correct 56 ms 5112 KB Output is correct
22 Correct 89 ms 5112 KB Output is correct
23 Correct 53 ms 5112 KB Output is correct
24 Runtime error 96 ms 5112 KB Execution killed because of forbidden syscall writev (20)
25 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 6 ms 5112 KB Output is correct
2 Correct 6 ms 5112 KB Output is correct
3 Correct 0 ms 5112 KB Output is correct
4 Correct 3 ms 5112 KB Output is correct
5 Correct 13 ms 5112 KB Output is correct
6 Correct 9 ms 5112 KB Output is correct
7 Correct 6 ms 5112 KB Output is correct
8 Correct 16 ms 5112 KB Output is correct
9 Correct 9 ms 5112 KB Output is correct
10 Correct 33 ms 5112 KB Output is correct
11 Correct 46 ms 5112 KB Output is correct
12 Correct 26 ms 5112 KB Output is correct
13 Correct 26 ms 5112 KB Output is correct
14 Correct 36 ms 5112 KB Output is correct
15 Correct 36 ms 5112 KB Output is correct
16 Correct 33 ms 5112 KB Output is correct
17 Correct 16 ms 5112 KB Output is correct
18 Correct 23 ms 5112 KB Output is correct
19 Correct 26 ms 5112 KB Output is correct
20 Correct 26 ms 5112 KB Output is correct
21 Correct 56 ms 5112 KB Output is correct
22 Correct 89 ms 5112 KB Output is correct
23 Correct 53 ms 5112 KB Output is correct
24 Runtime error 96 ms 5112 KB Execution killed because of forbidden syscall writev (20)
25 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 6 ms 5112 KB Output is correct
2 Correct 6 ms 5112 KB Output is correct
3 Correct 0 ms 5112 KB Output is correct
4 Correct 3 ms 5112 KB Output is correct
5 Correct 13 ms 5112 KB Output is correct
6 Correct 9 ms 5112 KB Output is correct
7 Correct 6 ms 5112 KB Output is correct
8 Correct 16 ms 5112 KB Output is correct
9 Correct 9 ms 5112 KB Output is correct
10 Correct 33 ms 5112 KB Output is correct
11 Correct 46 ms 5112 KB Output is correct
12 Correct 26 ms 5112 KB Output is correct
13 Correct 26 ms 5112 KB Output is correct
14 Correct 36 ms 5112 KB Output is correct
15 Correct 36 ms 5112 KB Output is correct
16 Correct 33 ms 5112 KB Output is correct
17 Correct 16 ms 5112 KB Output is correct
18 Correct 23 ms 5112 KB Output is correct
19 Correct 26 ms 5112 KB Output is correct
20 Correct 26 ms 5112 KB Output is correct
21 Correct 56 ms 5112 KB Output is correct
22 Correct 89 ms 5112 KB Output is correct
23 Correct 53 ms 5112 KB Output is correct
24 Runtime error 96 ms 5112 KB Execution killed because of forbidden syscall writev (20)
25 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 6 ms 5112 KB Output is correct
2 Correct 6 ms 5112 KB Output is correct
3 Correct 0 ms 5112 KB Output is correct
4 Correct 3 ms 5112 KB Output is correct
5 Correct 13 ms 5112 KB Output is correct
6 Correct 9 ms 5112 KB Output is correct
7 Correct 6 ms 5112 KB Output is correct
8 Correct 16 ms 5112 KB Output is correct
9 Correct 9 ms 5112 KB Output is correct
10 Correct 33 ms 5112 KB Output is correct
11 Correct 46 ms 5112 KB Output is correct
12 Correct 26 ms 5112 KB Output is correct
13 Correct 26 ms 5112 KB Output is correct
14 Correct 36 ms 5112 KB Output is correct
15 Correct 36 ms 5112 KB Output is correct
16 Correct 33 ms 5112 KB Output is correct
17 Correct 16 ms 5112 KB Output is correct
18 Correct 23 ms 5112 KB Output is correct
19 Correct 26 ms 5112 KB Output is correct
20 Correct 26 ms 5112 KB Output is correct
21 Correct 56 ms 5112 KB Output is correct
22 Correct 89 ms 5112 KB Output is correct
23 Correct 53 ms 5112 KB Output is correct
24 Runtime error 96 ms 5112 KB Execution killed because of forbidden syscall writev (20)
25 Halted 0 ms 0 KB -