oj.uz

Submission #92741

# Submission time Handle Problem Language Result Execution time Memory
92741 2019-01-04T12:22:59 Z GioChkhaidze Bootfall (IZhO17_bootfall) C++14
0 / 100
 1 ms 252 KB 
#include <bits/stdc++.h>

#define F first
#define S second
#define Pb push_back

using namespace std;

int n,k[100005],X,Ans,x,su;

vector < int > ANS,a;

inline int check(int x)
{
	int Sum=0;
	
	a.Pb(x);
	
	for (int i=0; i<a.size(); i++)
		Sum+=a[i];

	for (int i=a.size()-1; i<max(0,int(a.size())-20); i++)
	{
		int X=a[i],ko=0;
		a[i]=0;
		
		int dp[100005];
		
		for (int j=0; j<=2*su; j++)
			dp[j]=0;
		
		dp[0]=1;
		
		for (int k=0; k<a.size(); k++)
			for (int j=2*su; j>=0; j--)
				if (0<=j-a[k] && dp[j-a[k]]) dp[j]=1;
	
		if ((Sum-X)%2==1 || !dp[(Sum-X)/2]) ko=1;
			
		a[i]=X;
		
		if (ko) 
		{
			a.pop_back();
			return 0;
		}
	}

	a.pop_back();

	return 1;
}

main ()
{
	cin>>n;
	
	for (int i=1; i<=n; i++)
	{
		cin>>x;
		
		a.Pb(x);
		su+=x;
	}
	
	for (int i=1; i<=su; i++)
		if (check(i)) ANS.Pb(i);	
	
	cout<<ANS.size()<<endl;
	
	for (int i=0; i<ANS.size(); i++)
		cout<<ANS[i]<<" ";
}
/*

4
1 3 1 5

6
3 5 7 11 9 13

3
2 2 2

4
200 200 200 200
*/

Compilation message

bootfall.cpp: In function 'int check(int)':
bootfall.cpp:19:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i=0; i<a.size(); i++)
                ~^~~~~~~~~
bootfall.cpp:34:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int k=0; k<a.size(); k++)
                 ~^~~~~~~~~
bootfall.cpp: At global scope:
bootfall.cpp:54:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main ()
       ^
bootfall.cpp: In function 'int main()':
bootfall.cpp:71:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i=0; i<ANS.size(); i++)
                ~^~~~~~~~~~~

Subtask #1
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 252 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 252 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 252 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 252 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 252 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 252 KB Output isn't correct
2 Halted 0 ms 0 KB -