Main.cc: In function 'int main()':
Main.cc:7:11: error: 'strlen' was not declared in this scope
    7 |     count=strlen(str);
      |           ^~~~~~
Main.cc:2:1: note: 'strlen' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    1 | #include<stdio.h>
  +++ |+#include <cstring>
    2 | int main()