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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     float n, total;
  5.     int months = 0;
  6.  
  7.     printf("Enter initial amount (USD): ");
  8.     scanf("%f", &n);
  9.  
  10.     total = n;
  11.     do {
  12.         total = total + total * 0.007;
  13.         months++;
  14.     } while (total < 1000);
  15.  
  16.     printf("Months needed = %d\n", months);
  17.     printf("Final amount = %.2f USD\n", total);
  18.     return 0;
  19. }
Success #stdin #stdout 0s 5260KB
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stdin
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500
stdout
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Enter initial amount (USD): Months needed = 100
Final amount = 1004.42 USD
https://ideone.com/VZtsvW
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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