Playing With Bits

Author: AIFahim

Playing With Bits.cpp

@@ -0,0 +1,40 @@
+#include <bits/stdc++.h>
+using namespace std;
+int setBit(int n)
+{
+    int ans = 0;
+    while(n != 0)
+    {
+       ans += (n&1);
+        n= n>>1;
+    }
+    return ans;
+
+
+}
+
+
+int main()
+{
+
+   int tc;
+   cin>>tc;
+   while(tc--)
+   {
+
+       int a , b;
+       cin>>a>>b;
+        int cnt = 0;
+       for(int i = a; i<= b ; i++)
+       {
+           cnt +=  setBit(i);
+       }
+       cout<<cnt;
+
+   }
+
+
+
+
+
+}