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  1. #include<iostream>
  2. #include<cstdlib>
  3. #include<ctime>
  4. using namespace std;
  5.  
  6. int main() {
  7.   int c;
  8.   int n = 1;
  9.   int s;
  10. srand(time(0));
  11.   int r = (rand() % 12) + 1;
  12.  
  13.   for (c = 0; n >= 1 && n <= r; n++) {
  14.     for (s = r - n; s >= 1; s--) {
  15.     cout << " " << "\t";
  16.     }
  17.       for (c = 0; c < n; c++) {
  18.       cout << n << "\t";
  19.     }
  20.   cout << endl;
  21. }
  22.  
  23. return 0 ;
  24. }
Success #stdin #stdout 0s 3468KB
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stdin
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Standard input is empty
stdout
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 	 	 	 	 	 	 	 	1	
 	 	 	 	 	 	 	2	2	
 	 	 	 	 	 	3	3	3	
 	 	 	 	 	4	4	4	4	
 	 	 	 	5	5	5	5	5	
 	 	 	6	6	6	6	6	6	
 	 	7	7	7	7	7	7	7	
 	8	8	8	8	8	8	8	8	
9	9	9	9	9	9	9	9	9
https://ideone.com/qT9BB6
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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