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  1. #include <iostream>
  2. #include <iomanip>
  3. using namespace std;
  4.  
  5. int main() {
  6.  
  7. 	for (int j = 1; j <= 9; j++) {
  8. 		for (int i = 1; i <= 9; i++) {
  9. 			cout << setw(3) << j * i;
  10. 		}
  11. 		cout << endl;
  12. 	}
  13.  
  14. 	return 0;
  15.  
  16. }
Success #stdin #stdout 0s 4464KB
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stdin
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Standard input is empty
stdout
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  1  2  3  4  5  6  7  8  9
  2  4  6  8 10 12 14 16 18
  3  6  9 12 15 18 21 24 27
  4  8 12 16 20 24 28 32 36
  5 10 15 20 25 30 35 40 45
  6 12 18 24 30 36 42 48 54
  7 14 21 28 35 42 49 56 63
  8 16 24 32 40 48 56 64 72
  9 18 27 36 45 54 63 72 81
https://ideone.com/CIFfyh
雙層迴圈：九九乘法表
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
secret

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