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  1. #include <stdio.h>
  2.  
  3. int main() {
  4. int n = 5, i, j, k;
  5. for (i = 0; i < n; i++) {
  6. int val = 1;
  7. for (k = 0; k < n - i; k++) printf(" "); // spacing
  8. for (j = 0; j <= i; j++) {
  9. printf("%d ", val);
  10. val = val * (i - j) / (j + 1);
  11. }
  12. printf("\n");
  13. }
  14. return 0;
  15. }
  16.  
Success #stdin #stdout 0.01s 5316KB
stdin
Standard input is empty
stdout
          1   
        1   1   
      1   2   1   
    1   3   3   1   
  1   4   6   4   1