2023 rcpc

2023/rcpc/d1/editorial/H. The Binary Matrix of All Time.cpp

@@ -0,0 +1,17 @@
+/// Gheorghies Alexandru
+#include<bits/stdc++.h>
+
+using namespace std;
+typedef long long ll;
+void tc(){
+    ll n,m;
+    cin>>n>>m;
+    cout<<(n*m*2+2)/3<<'\n';
+}
+int main()
+{
+    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
+    ll t; cin>>t; while(t--)
+        tc();
+    return 0;
+}