View Compilation Error

0_0_38771782_25384.cpp: In function 'void solve()':
0_0_38771782_25384.cpp:10:13: error: 'strlen' was not declared in this scope
   10 |         n = strlen (s);
      |             ^~~~~~
0_0_38771782_25384.cpp:2:1: note: 'strlen' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    1 | #include<iostream>
  +++ |+#include <cstring>
    2 | using namespace std;