Codechef-Solutions/Correct Sentence.cpp at main · prathamesh1301/Codechef-Solutions · GitHub

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#include <bits/stdc++.h>
using namespace std;
const long long MOD= 1e9+7;
const int N = 1e5+10;
//int arr[N];

int main(){

	int t;
	cin>>t;
	while(t--){
		int k;
		cin>>k;
		int temp=k;
		int len=0;
		while(temp--){

			string s;
			cin>>s;
			int n=s.length();
			int fx=0;
			int f=0;

			if(n>1){
				int check=islower(s[0]);

				for(int i=1;i<n;i++){
					if(check==0 && islower(s[i])==0 && s[i]-'N'>=0 && s[i]-'N'<=12)
						continue;
					else if(check!=0 && islower(s[i])!=0 && s[i]-'a'>=0 && s[i]-'a'<=12)
						continue;
					else{
						f=1;
						break;
					}
				}
				if(f==1){

					continue;}
				else
					len++;
			}
			else{

				if(s[0]-'N'>=0 && s[0]-'N'<=12)
					len++;
				else if(s[0]-'a'>=0 && s[0]-'a'<=12)
					len++;
				else{
					fx=1;
				}


			}

		}
		if(len==k)
			cout<<"YES"<<endl;
		else
			cout<<"NO"<<endl;
}

	return 0;

}