Kindly correct mistake in this

#1

maybe see here where im going wrong in this

#2

hi @uditmudgal07_2f40cca755bd8bd2 no of test cases
refer

#include <iostream>

using namespace std;
int bintodec(int nos){
    int base = 1;
	int decval =0;
	while(nos){
		int lastdig = nos%10;
		nos=nos/10;
		decval+= lastdig*base;
		base*=2;
	}
	return decval;
    
}
int main(){
    int N,nos;
    cin>>N;
    for (int i = 1;i<=N;i++){
        cin>>nos;
    	cout<<bintodec(nos)<<endl;
    }
}
#3

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