WAP to perform binary to decimal conversion.

#include<stdio.h>
 #include<stdlib.h>
 #include<string.h>
 #include<math.h>

 int main()
 {
 int i,n;
 int dec=0;
 int a[]={1,1,1,0};
 n=sizeof(a)/4;
int j=0;
 for(i=n-1;i>=0;i--)
 {
 dec=dec+a[j]*pow(2,i);
 j++;
 }
 printf("%d",dec);
 system("pause");
}
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