How to convert Binary to Decimal in C Program?
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I have a simple code to convert binary to decimal numbers. In my compiler, the decomposition works just fine for number less than 1000, beyond the output is always the same 1023. Anybody has an idea ?
C++
- asked 10 years ago
- Prabhat Dey
2Answer
C code for binary to decimal conversion:
#include<stdio.h>
int main(){
long int binaryNumber,decimalNumber=0,j=1,remainder;
printf("Enter any number any binary number: ");
scanf("%ld",&binaryNumber);
while(binaryNumber!=0){
remainder=binaryNumber%10;
decimalNumber=decimalNumber+remainder*j;
j=j*2;
binaryNumber=binaryNumber/10;
}
printf("Equivalent decimal value: %ld",decimalNumber);
return 0;
}
Sample output:
Enter any number any binary number: 1101
Equivalent decimal value: 13
- answered 10 years ago
- G John
try this :
#include <stdio.h>
int main(void)
{
char bin; int dec = 0;
while (bin != '\n') {
scanf("%c",&bin);
if (bin == '1') dec = dec * 2 + 1;
else if (bin == '0') dec *= 2; }
printf("%d\n", dec);
return 0;
}
- answered 10 years ago
- B Butts


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