fork download
copy 
  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     char c;
  5.     unsigned int dec = 0, i = 1;
  6.  
  7.     char bits[32];
  8.     int bit_corrente = 0;
  9.     while ((c = getchar()) != '\n') {
  10.         bits[bit_corrente++] = c - '0';
  11.     }
  12.  
  13.     int j;
  14.     for (j = bit_corrente - 1;j >= 0; --j){
  15.         if (bits[j] == 1){
  16.             dec += i;
  17.         }
  18.         i *= 2;
  19.     }
  20.  
  21.     printf("%d\n", dec);
  22.     return 0;
  23. }
  24.  
Success #stdin #stdout 0s 9424KB
comments (?)
stdin
copy 
11111110
stdout
copy 
254
https://ideone.com/HUSJLw
language:
C (gcc 8.3)
created:
5 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!