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  1. #include <stdio.h>
  2. int main(void)
  3. {
  4.     int days;
  5.     printf("Input days:");
  6.     scanf("%d", &days);
  7.     int x = 1;
  8.     while(days>1)
  9. {
  10.         x = (x + 1) * 2;
  11.         days--;
  12.     }
  13.     printf("x=%d\n", x);
  14.     return 0;
  15. }
  16.  
Success #stdin #stdout 0s 5320KB
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7
stdout
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Input days:x=190
https://ideone.com/14ok8L
language:
C (gcc 8.3)
created:
7 hours ago
visibility:
public

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