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Add binary Strings.cc
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Add binary Strings.cc
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//{ Driver Code Starts
#include<bits/stdc++.h>
using namespace std;
// } Driver Code Ends
//User function template for C++
class Solution{
public:
string addBinary(string A, string B)
{
// your code here
int carry = 0, ind = 0;
string ans;
reverse(A.begin(), A.end());
reverse(B.begin(), B.end());
while(ind < A.length() || ind < B.length()) {
if(ind < A.length()) carry += (A[ind] - '0');
if(ind < B.length()) carry += (B[ind] - '0');
ans += to_string(carry%2);
carry = (carry >= 2) ? 1 : 0;
ind++;
}
if(carry) ans += to_string(carry%2);
while(ans.length() > 0 && ans.back() == '0') ans.pop_back();
reverse(ans.begin(), ans.end());
return ans;
}
};
//{ Driver Code Starts.
int main()
{
int t; cin >> t;
while (t--)
{
string A, B; cin >> A >> B;
Solution ob;
cout << ob.addBinary (A, B);
cout << "\n";
}
}
// Contributed By: Pranay Bansal
// } Driver Code Ends