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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.     int rows;
  6.     cout << "Enter number of rows: ";
  7.     cin >> rows;
  8.  
  9.     // Outer loop for rows
  10.     for (int i = 1; i <= rows; i++) {
  11.         // Inner loop for characters in each row
  12.         for (int j = 0; j < i; j++) {
  13.             cout << char('A' + j);
  14.         }
  15.         cout << endl; // Move to next line after each row
  16.     }
  17.  
  18.     return 0;
  19. }
Success #stdin #stdout 0s 5316KB
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stdin
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6
stdout
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Enter number of rows: A
AB
ABC
ABCD
ABCDE
ABCDEF
https://ideone.com/cD4Dr7
language:
C++ (gcc 8.3)
created:
10 hours ago
visibility:
public

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