3 solutions

  • 2
    @ 2025-11-1 15:59:56
    #include<bits/stdc++.h>
    using namespace std;
    int main(){
    	int n;
    	cin>>n;
    	int c=0;
    	for(int i=1;i<=n;i++){
    		int s;
    		cin>>s;
    		bool st=false;
    		for(int a=1;a<=s;a++){
    			for(int b=1;b<=s;b++){
    				if(4*a*b+3*a+3*b==s){
    					st=true;
    				}
    			}
    		}
    		if(!st){
    			c++;
    		}
    	}
    	cout<<c; 
    	return 0;
    }
    
    
    • 0
      @ 2026-8-6 19:59:56
      #include<bits/stdc++.h>
      using namespace std;
      int n,s,cnt;
      bool st[1010];
      int main()
      {
      	cin>>n;
      	for(int i=1;i<=1000;i++)
      	{
      		for(int j=1;4*i*j+3*i+3*j<=1000;j++)
      		{
      			st[4*i*j+3*i+3*j]=true;
      		}
      	}
      	while(n--)
      	{
      		cin>>s;
      		if(!st[s])
      		{
      			cnt++;
      		}
      	}
      	cout<<cnt;
      	return 0;
      }
      
      • -4
        @ 2025-9-20 14:47:36
        #include<bits/stdc++.h>
        using namespace std;
        int main(){
        	int n;
        	cin>>n;
        	int c=0;
        	for(int i=1;i<=n;i++){
        		int s;
        		cin>>s;
        		bool st=false;
        		for(int a=1;a<=s;a++){
        			for(int b=1;b<=s;b++){
        				if(4*a*b+3*a+3*b==s){
        					st=true;
        				}
        			}
        		}
        		if(!st){
        			c++;
        		}
        	}
        	cout<<c; 
        	return 0;
        }
        
        • 1

        Information

        ID
        2636
        Time
        1000ms
        Memory
        256MiB
        Difficulty
        1
        Tags
        # Submissions
        44
        Accepted
        20
        Uploaded By