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  1. #include <stdio.h>
  2. int main()
  3. {
  4.     int N;
  5.     scanf("%d", &N);
  6.     for (int i = 1; i <= N; i++)
  7.         {
  8.         for (int s = 1; s <= N - i; s++){
  9.             printf(" ");
  10.         }
  11.         for (int k = 1; k <= (2 * i - 1); k++){
  12.             printf("*");
  13.         }
  14.         printf("\n");
  15.     }
  16.     for (int i = N; i >= 1; i--){
  17.         for (int s = 1; s <= N - i; s++){
  18.             printf(" ");
  19.         }
  20.         for (int k = 1; k <= (2 * i - 1); k++){
  21.             printf("*");
  22.         }
  23.         printf("\n");
  24.     }
  25. }
  26.  
Success #stdin #stdout 0s 5288KB
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stdout
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Standard output is empty
https://ideone.com/0Yk5xM
language:
C (gcc 8.3)
created:
15 hours ago
visibility:
public

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