Create park-lighting

Author: protto1

park-lighting

@@ -0,0 +1,10 @@
+#include <iostream>
+using namespace std;
+int main()
+{   
+    int t,m,n;
+    cin>>t;
+    while(t--){
+        cin>>m>>n;
+        cout<<(m*n+1)/2<<"\n";}
+}