pattern question

 #include<iostream>

using namespace std;


int main() {

// Write your code here

int n;

cin>>n;

int i=0;

while(i<n){

    char ch='A';

    int j=ch;

    while(j<'A'+n){

        cout<<ch;

        ch=ch+1;//characters ascii value can be added

        j=j+1;

    }

    cout<<endl;

    i=i+1;

}

    

   

   

}


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