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  1. #include <inttypes.h>
  2. #include <stdio.h>
  3.  
  4. int main(void)
  5. {
  6.   uintmax_t n = 0;
  7.   for (int b; (b = getchar()) != EOF; ) {
  8.     if (b == '1')
  9.       n = 2*n + 1;
  10.     else if (b == '0')
  11.       n *= 2;
  12.     else // end of the number
  13.       break;
  14.   }
  15.   return printf("%" PRIuMAX "\n", n) < 0;
  16. }
Success #stdin #stdout 0s 9432KB
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001100111000
stdout
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824
https://ideone.com/M9MAWA
language:
C (gcc 8.3)
created:
6 years ago
visibility:
secret

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