Binary

Ringkasan Tantangan

Convert a binary number, represented as a string (e.g. '101010'), to its decimal equivalent using first principles.

Visit the binary exercise on Exercism to read the full instructions and download the exercise files.

Community Solutions

Lihat Solusi Komunitas

The following are the top 3 community solutions by stars:

Solution 1 by @sojbaek (⭐ 16) — View on Exercism
Solution 2 by @elementaryrock (⭐ 0) — View on Exercism
Solution 3 by @Enes-Karamursel (⭐ 0) — View on Exercism

Source: Exercism c/binary

💡 Lihat Solusi

#include "binary.h"


int convert(const char *input) {
    int res = 0;
    for (char* c=(char *) input; *c != '\0'; c++) {
        if (*c!='0' &&  *c!='1') return -1;
        res = res*2 + (*c == '0' ? 0 : 1);
    }
    return res;