Code: Alpha Pattern...

 Code: Alpha Pattern

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Print the following pattern for the given N number of rows.

Pattern for N = 3

 A
 BB
 CCC

Input format :

Integer N (Total no. of rows)

Output format :

Pattern in N lines

Constraints

0 <= N <= 26

Sample Input 1:

7

Sample Output 1:

A
BB
CCC
DDDD
EEEEE
FFFFFF
GGGGGGG

Sample Input 2:

6

Sample Output 2:

A
BB
CCC
DDDD
EEEEE
FFFFFF

#include<iostream>
using namespace std;

int main(){
    int row=1;
    int n;
    cin>>n;
    char ch='A';
    while(n>=row){
        int col=1;
       // char ch='A'+row-1;     // it is also carrect
        while(row>=col){
            cout<<ch;
            col++;
        }
        cout<<endl;
        row++;
       ch++;
    }
    
    /*  Read input as specified in the question.
     * Print output as specified in the question.
     */
    
}