Solved the first 6 problems of codechef Starters

1 files changed, 26 insertions, 0 deletions

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;
+	}
+}