Reversing a number in C++

Author: prajnakalpa

problems/reverse of a number.cpp

@@ -0,0 +1,20 @@
+#include <iostream>
+using namespace std;
+int main()
+{
+ int t;
+ cin>>t;
+ while(t--)
+ {
+ long long int n, rev=0;
+ cin>>n;
+ while(n>0)
+ {
+ rev=rev*10+n%10;
+ n=n/10;
+ }
+ cout<<rev<<endl;
+ }
+return 0;
+}
+