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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.  
  6. 	for (int j = 1; j <= 5; j++) {
  7. 		for (int i = 5; i >= j; i--) {
  8. 			cout << "*";
  9. 		}
  10. 		cout << endl;
  11. 	}
  12.  
  13. 	for (int j = 5; j >= 1; j--) {
  14. 		for (int i = 1; i <= j; i++) {
  15. 			cout << "*";
  16. 		}
  17. 		cout << endl;
  18. 	}	
  19.  
  20. 	return 0;
  21. }
Success #stdin #stdout 0s 4304KB
comments (?)
stdin 
Standard input is empty
stdout 
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*
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https://ideone.com/WaKqGr
雙層迴圈：三角圖騰 (B)
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
secret

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