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  1. #include <stdio.h>
  2.  
  3. int main(int argc, char** argv)
  4. {
  5.     int c;
  6.     int x = 0;
  7.     while((c = getchar()) != EOF)
  8.     {
  9.         if (c == '0' || c == '1')
  10.         {
  11.             x = x * 2 + c - '0';
  12.         }
  13.     }
  14.     printf("%d\n", x);
  15.     return 0;
  16. }
  17.  
Success #stdin #stdout 0.01s 1680KB
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https://ideone.com/TLRBa
language:
C (gcc 8.3)
created:
11 years ago
visibility:
public

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