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  1. #include <stdio.h>
  2.  
  3. #define SIZE 10
  4.  
  5. int main(void)
  6. {
  7.     double amount;
  8.     char amountString[SIZE];
  9.  
  10.     printf("Enter a dollar amount: ");
  11.     scanf("%lf", &amount);
  12.  
  13.     sprintf(amountString, "%.2f", amount);
  14.  
  15.     int length = 0;
  16.  
  17.     while (amountString[length] != '\0')
  18.     {
  19.         ++length;
  20.     }
  21.  
  22.     int stars = SIZE - 1 - length;
  23.  
  24.     if (stars < 0)
  25.     {
  26.         stars = 0;
  27.     }
  28.  
  29.     printf("Check-protected amount: ");
  30.  
  31.     for (int i = 0; i < stars; ++i)
  32.     {
  33.         printf("*");
  34.     }
  35.  
  36.     printf("%s\n", amountString);
  37.  
  38.     return 0;
  39. }
Success #stdin #stdout 0s 5348KB
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stdin
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Standard input is empty
stdout
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Enter a dollar amount: Check-protected amount: *****0.00
https://ideone.com/NnCPdw
language:
C (gcc 8.3)
created:
3 hours ago
visibility:
public

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