2 solutions

  • 1
    @ 2026-1-21 13:34:26
    #include<bits/stdc++.h>
    using namespace std;
    int main()
    {
        string n;
    	cin>>n;
    	n+=" ";
    	while(1)
    	{
    		bool a=0;
    		for(int i=0;i<n.length();i++)if(n[i]=='('||n[i]==')')a=1;
    		if(a==0)
    		{
    			cout<<"YES";
    			return 0;
    		}
    		for(int i=0;i<n.length();i++)
    		{
    			if(n[i]=='('&&n[i+1]==')')
    			{
    				for(int ii=i+2;ii<n.length();ii++)
    				{
    					n[ii-2]=n[ii];
    				}
    				n[n.length()-1]=char(0);
    				n[n.length()-2]=char(0);
    				break;
    			}
    			else if(i==n.length()-1)
    			{
    				cout<<"NO";
    				return 0;
    			}
    		}
    	}
    	return 0;
    }
    

    Information

    ID
    1821
    Time
    1000ms
    Memory
    256MiB
    Difficulty
    10
    Tags
    # Submissions
    5
    Accepted
    2
    Uploaded By