aboutsummaryrefslogtreecommitdiff
path: root/codechef/XorAndMultiply/main.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'codechef/XorAndMultiply/main.cpp')
-rw-r--r--codechef/XorAndMultiply/main.cpp26
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;
+ }
+}