View Compilation Error

0_0_39318263_26122.cpp: In function 'int main()':
0_0_39318263_26122.cpp:12:36: error: 'strlen' was not declared in this scope
   12 |                         int length=strlen(str);
      |                                    ^~~~~~
0_0_39318263_26122.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;
0_0_39318263_26122.cpp:23:49: error: expected ';' before '}' token
   23 |                                         flag=i+1
      |                                                 ^
      |                                                 ;
   24 | 
   25 |                                 }
      |                                 ~