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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int n = 5;
  5. 	for (int i = 1; i <= n; i++) {
  6. 		/* Step 1: Print leading spaces */
  7. 		for (int s = 1; s <= n- i; s++) { 
  8. 			printf(" ");
  9. 		}
  10. 		/* Step 2: Print sequential numbers */ 
  11. 		for (int j = 1; j <= i; j++) {
  12. 			printf("%d", j);
  13. 			}
  14. 			printf("\n");
  15. 	}
  16. 	return 0; 
  17. }
  18.  
Success #stdin #stdout 0.01s 5284KB
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stdin
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Standard input is empty
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    1
   12
  123
 1234
12345
https://ideone.com/Qi55ze
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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