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  1. #include <stdio.h>
  2.  
  3. void print_number(int n){
  4.     printf("%-3d", n);
  5. }
  6.  
  7. void print_star(int n){
  8.     print_number(n);
  9.     // ここから
  10.     for(int i = 0; i < n; i++) {
  11.         printf("*");
  12.     }
  13.     // ここまでを書けばできます
  14.     printf("\n");
  15. }
  16.  
  17. int main(void) {
  18.     int i;
  19.     for(i = 0; i < 5; i++)
  20.         print_star(i);
  21.     return 0;
  22. }
  23.  
Success #stdin #stdout 0s 5272KB
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stdin
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Standard input is empty
stdout
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0  
1  *
2  **
3  ***
4  ****
https://ideone.com/0BA6zc
language:
C (gcc 8.3)
created:
7 days ago
visibility:
public

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