View Compilation Error

0_0_39615576_22530.cpp: In function 'int main()':
0_0_39615576_22530.cpp:15:15: error: 'strlen' was not declared in this scope
   15 |         int n=strlen(aim);
      |               ^~~~~~
0_0_39615576_22530.cpp:5:1: note: 'strlen' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    4 | #include<queue>
  +++ |+#include <cstring>
    5 | #define ll long long