fork download
copy 
  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.     int rows = 4;  // Number of rows in the triangle
  6.  
  7.     for (int i = 1; i <= rows; i++) {
  8.         // Print spaces
  9.         for (int j = i; j < rows; j++) {
  10.             cout << " ";
  11.         }
  12.         // Print stars
  13.         for (int k = 1; k <= (2 * i - 1); k++) {
  14.             cout << "*";
  15.         }
  16.         cout << endl;
  17.     }
  18.  
  19.     return 0;
  20. }
  21.  
Success #stdin #stdout 0.01s 5320KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
   *
  ***
 *****
*******
https://ideone.com/IYVWTy
language:
C++ (gcc 8.3)
created:
5 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!