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  1. #include <iostream>
  2. #include <string>
  3.  
  4. int main() {
  5. 	for (int length = 1, line = 1; line < 10; (line++ < 5 ? length++: length--)) {
  6. 		std::cout << std::string(length, '*') << std::endl;
  7. 	}
  8.  
  9. 	return 0;
  10. }
Success #stdin #stdout 0s 3228KB
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Standard input is empty
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*
**
***
****
*****
****
***
**
*
https://ideone.com/br0NG4
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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