Submission #38452

# Submission time Handle Problem Language Result Execution time Memory
38452 2018-01-04T08:21:17 Z MrPlany Bootfall (IZhO17_bootfall) C++14
13 / 100
86 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;

	if(sum%2!=0) return cout << 0 , 0;
	
	for(int i=1;i<=n;i++){
		for(int j=N;j>=0;j--){
			dp[j+a[i]]+=dp[j];
		}
	}
	if(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;
	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] << " ";
	
	return 0;
}

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 0 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 6 ms 5112 KB Output is correct
5 Correct 9 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 19 ms 5112 KB Output is correct
9 Correct 9 ms 5112 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 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 6 ms 5112 KB Output is correct
5 Correct 9 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 19 ms 5112 KB Output is correct
9 Correct 9 ms 5112 KB Output is correct
10 Correct 29 ms 5112 KB Output is correct
11 Correct 39 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 26 ms 5112 KB Output is correct
15 Correct 39 ms 5112 KB Output is correct
16 Correct 39 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 29 ms 5112 KB Output is correct
20 Correct 29 ms 5112 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 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 6 ms 5112 KB Output is correct
5 Correct 9 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 19 ms 5112 KB Output is correct
9 Correct 9 ms 5112 KB Output is correct
10 Correct 29 ms 5112 KB Output is correct
11 Correct 39 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 26 ms 5112 KB Output is correct
15 Correct 39 ms 5112 KB Output is correct
16 Correct 39 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 29 ms 5112 KB Output is correct
20 Correct 29 ms 5112 KB Output is correct
21 Correct 66 ms 5112 KB Output is correct
22 Correct 83 ms 5112 KB Output is correct
23 Correct 46 ms 5112 KB Output is correct
24 Runtime error 86 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 0 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 6 ms 5112 KB Output is correct
5 Correct 9 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 19 ms 5112 KB Output is correct
9 Correct 9 ms 5112 KB Output is correct
10 Correct 29 ms 5112 KB Output is correct
11 Correct 39 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 26 ms 5112 KB Output is correct
15 Correct 39 ms 5112 KB Output is correct
16 Correct 39 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 29 ms 5112 KB Output is correct
20 Correct 29 ms 5112 KB Output is correct
21 Correct 66 ms 5112 KB Output is correct
22 Correct 83 ms 5112 KB Output is correct
23 Correct 46 ms 5112 KB Output is correct
24 Runtime error 86 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 0 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 6 ms 5112 KB Output is correct
5 Correct 9 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 19 ms 5112 KB Output is correct
9 Correct 9 ms 5112 KB Output is correct
10 Correct 29 ms 5112 KB Output is correct
11 Correct 39 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 26 ms 5112 KB Output is correct
15 Correct 39 ms 5112 KB Output is correct
16 Correct 39 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 29 ms 5112 KB Output is correct
20 Correct 29 ms 5112 KB Output is correct
21 Correct 66 ms 5112 KB Output is correct
22 Correct 83 ms 5112 KB Output is correct
23 Correct 46 ms 5112 KB Output is correct
24 Runtime error 86 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 0 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 6 ms 5112 KB Output is correct
5 Correct 9 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 19 ms 5112 KB Output is correct
9 Correct 9 ms 5112 KB Output is correct
10 Correct 29 ms 5112 KB Output is correct
11 Correct 39 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 26 ms 5112 KB Output is correct
15 Correct 39 ms 5112 KB Output is correct
16 Correct 39 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 29 ms 5112 KB Output is correct
20 Correct 29 ms 5112 KB Output is correct
21 Correct 66 ms 5112 KB Output is correct
22 Correct 83 ms 5112 KB Output is correct
23 Correct 46 ms 5112 KB Output is correct
24 Runtime error 86 ms 5112 KB Execution killed because of forbidden syscall writev (20)
25 Halted 0 ms 0 KB -