8 solutions

  • 0
    @ 2026-8-14 20:03:45
    #include<bits/stdc++.h>
    using namespace std;
    int n;
    int main()
    {
    	cin>>n;
    	if(n%2!=0) cout<<"-1";
    	else{
    		bitset<32> a(n);
    		for(int i=31;i>=0;i--){
    			if(a[i]==1) cout<<(1<<i)<<" ";
    		}
    	}
    	return 0;
    }
    
    • 0
      @ 2026-8-14 19:56:28
      #include<bits/stdc++.h>
      using namespace std;
      int n;
      int main()
      {
      	cin>>n;
      	int i;
      	for(i=1;i>0;i*=2){
      		if(i>n) break;
      	}
      	i/=2;
      	if(n%2!=0) {
      		cout<<-1;
      		return 0;
      	}
      	while(n>0){
      		if(n>=i){
      			n-=i;
      			cout<<i<<" ";
      		}
      		i/=2;
      	}
      	return 0;
      }
      
      • 0
        @ 2026-7-9 14:56:43
         #include<bits/stdc++.h>
        using namespace std;
        int main()
        {
            int a;
            cin>>a;
            if(a%2==1)   
            {
                cout<<"-1";
            }
            else
            {
                for(int i=a;i>=1;i--)
                {
                    if(pow(2,i)<=a)
                    {
                        cout<<(int)pow(2,i)<<" ";
                        a-=pow(2,i);
                    }
                }
            }
            return 0; 
        }
        
        • 0
          @ 2026-7-7 14:43:33
          #include<bits/stdc++.h>
          using namespace std;
          int main()
          {
              int n;
              cin>>n;
              int t=n;
              if(n%2==1) {
                  cout<<-1;
                  return 0;
              }
              while(t>1){
                  int mx=-1;
                  for(int i=1;i<=t;i++){
                      if(pow(2,i)>t){
                          mx=i-1;
                          break;
                      }
                  }
                  cout<<int(pow(2,mx))<<' ';
                  t=t-pow(2,mx);
              }
              return 0;
          }
          
          • 0
            @ 2026-7-7 14:20:22
            #include<bits/stdc++.h>
            using namespace std;
            int main()
            {
                int n;
                cin>>n;
                if(n%2==1) cout<<-1;
                else for(int i=30;i>=1;i--) if(n>>i&1) cout<<(1<<i)<<" ";
                return 0;
            }
            
            • 0
              @ 2026-6-20 10:50:11
              #include <bits/stdc++.h>
              using namespace std;
              
              int main()
              {
              	int n;
              	cin>>n;
              	if(n&1)
              	{
              		cout<<"-1";
              	}
              	else
              	{
              		bitset<32> a(n);
              		for(int i=31;i>=0;i--)
              		{
              			if(a[i]==1)
              			{
              				cout<<(1<<i)<<" ";
              			}
              		}
              	}
              	return 0;
              }
              • 0
                @ 2026-1-3 9:42:59
                #include<bits/stdc++.h>
                using namespace std;
                int main()
                {
                	int n;
                	cin>>n;
                	bitset<32> a(n);
                	if(a[0]==1)
                	{
                		cout<<-1;
                	}
                	else
                	{
                		for(int i=31;i>=0;i--)
                		{
                			if(a[i]==1)
                			{
                				cout<<(1<<i)<<" ";
                			}
                		}
                	}
                	return 0;
                }
                
                
                • -2
                  @ 2024-10-16 20:18:16
                  #include<bits/stdc++.h>
                  using namespace std;
                  int main()
                  {
                  int n;
                  cin>>n;
                  if(n%2==1)
                  {
                  	cout<<-1;
                  }
                  else
                  {
                  	for(int i=30;i>=1;i--)
                  	{
                  		if(n>>i&1)
                  		{
                  			cout<<(1<<i)<<" ";
                  		}
                  	 } 
                   } 
                  return 0;
                  }
                  
                  
                  
                  • 1

                  Information

                  ID
                  125
                  Time
                  1000ms
                  Memory
                  256MiB
                  Difficulty
                  3
                  Tags
                  (None)
                  # Submissions
                  98
                  Accepted
                  38
                  Uploaded By