Added program to find maximum of two without if else

Tricky Problems/maxOfTwo.cpp

@@ -0,0 +1,42 @@
+//Max of two num with overflow condition
+//Refrence  : Cracking Coding Interview by Gayle Lakmann Mcdowell
+
+#include <bits/stdc++.h>
+using namespace std;
+
+//XOR of bit to convert 1 into 0 and 0 into 1
+int flip(int m){
+	return (1 ^ m);
+}
+
+//Return 1 if positive, 0 if a is negative.
+int sign(int m){
+	return ((m >> 31) & 0x1);
+}
+
+void max(int a,int b){
+	int c = a - b;
+	int sa = sign(a);
+	int sb = sign(b);
+	int sc = sign(c);
+
+	int sign_a = sa ^ sb;
+
+	int sign_c = flip(sa ^ sb);
+
+	int k = sign_a * sa + sign_c * sc;
+
+	int q =  flip(k);
+
+	int res = a * q + b * k;
+
+	cout<<"Max Of "<<a<<" and "<<b<<"is: ";
+	cout<<res;
+}
+
+int main(){
+	int a,b;
+	cin>>a>>b;
+	max(a,b);
+	return 0;
+}