Create 1523. Count Odd Numbers in an Interval Range 14 feb 2023 (#92)

1523. Count Odd Numbers in an Interval Range

Author: Chayandas07

1523. Count Odd Numbers in an Interval Range 14 feb 2023

@@ -0,0 +1,57 @@
+
+class Solution {
+public:
+
+    string addBinary(string a, string b) {
+        
+        
+        if(b.size() > a.size()) swap(a,b);
+        
+        
+        while(b.size() < a.size()) b = "0" + b;
+
+        int carry = 0;
+
+        string res = "";
+
+        for(int i = b.size()-1; i >= 0 ; --i)
+        {
+             
+             if(b[i] == '1' && a[i]=='1')
+             {
+
+                if(carry == 0) res = "0" + res;
+                
+                else res = "1" + res;
+                    
+                carry = 1;
+             }
+
+             else if(b[i] =='0' && a[i] =='0')
+             {
+
+                if(carry == 0) res = "0" + res;
+                 
+                else
+                {
+                    res = "1" + res;
+                    carry = 0;
+                }
+             }
+
+             else if((b[i]=='0' && a[i]=='1') || (b[i]=='1' && a[i] == '0'))
+             {
+                 
+                if(carry == 0) res = "1" + res;
+                 
+                else res = "0" + res;
+                 
+             }
+             
+        }
+        
+        if(carry == 1) res = "1" + res;
+        
+        return res;
+    }
+};