PROBLEM LINK : practice
contest
Tester : jeysree
Editorialist : danush10
PROBLEM EXPLANATION :
Given a binary number as an integer n=111, convert it into decimal and print.
DIFFICULTY :
Easy
CONSTRAINTS :
1≤n≤1000
EXPLANATION :
The Given Integer should be converted into decimal. For example, the given integer is 111. The conversion of given binary to decimal is 7.
Tester Solution
#include<stdio.h>
#include<math.h>
int main()
{
int n=111,decimal=0,pow=1,last;
while(n>0){
last=n%10;
decimal+=last*pow;
pow*=2;
n=n/10;
}
printf(“%d”,decimal);
return 0;
}