From 37b7e815612dec5655d2ee2363835e2075701ae6 Mon Sep 17 00:00:00 2001
From: omagdy7 <omar.professional8777@gmail.com>
Date: Wed, 29 Jun 2022 21:03:53 +0200
Subject: Solved the first 6 problems of codechef Starters

---
 codechef/XorAndMultiply/main.cpp | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 codechef/XorAndMultiply/main.cpp

(limited to 'codechef/XorAndMultiply/main.cpp')

diff --git a/codechef/XorAndMultiply/main.cpp b/codechef/XorAndMultiply/main.cpp
new file mode 100644
index 0000000..0d557ca
--- /dev/null
+++ b/codechef/XorAndMultiply/main.cpp
@@ -0,0 +1,26 @@
+#include<bits/stdc++.h>
+
+using namespace std;
+
+int main () {
+	ios_base::sync_with_stdio(false);
+	cin.tie(NULL);
+	int tt;
+	cin >> tt;
+	while(tt--){
+    int n = 0;
+    cin >> n;
+    long long a, b;
+    cin  >> a >> b;
+    int mx = 0;
+    map<int, int> mp;
+    for(int i = 0; i < int(pow(2, n));i++) {
+      int l = a ^ i;
+      int r = b ^ i;
+      mx = max(mx, l * r);
+      cerr << mx << " " << i << endl;
+      mp[mx] = i;
+    }
+    cout << mp[mx] << endl;
+	}
+}
-- 
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