View Compilation Error

0_0_39810610_8828.cpp: In function 'int main()':
0_0_39810610_8828.cpp:16:29: error: cannot convert 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'const char*'
   16 |                 s=strlen(z[i]);
      |                          ~~~^
      |                             |
      |                             std::string {aka std::__cxx11::basic_string<char>}
In file included from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/cstring:42,
                 from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/x86_64-w64-mingw32/bits/stdc++.h:121,
                 from 0_0_39810610_8828.cpp:2:
gcc-13.1.0/x86_64-w64-mingw32/include/string.h:64:37: note:   initializing argument 1 of 'size_t strlen(const char*)'
   64 |   size_t __cdecl strlen(const char *_Str);
      |                         ~~~~~~~~~~~~^~~~
0_0_39810610_8828.cpp:17:34: error: expected ';' before 'for'
   17 |         strcpy(strs,z[i].c_str())
      |                                  ^
      |                                  ;
   18 |                 for(int j=1;j<=s;j+=1){
      |                 ~~~               
0_0_39810610_8828.cpp:18:29: error: 'j' was not declared in this scope
   18 |                 for(int j=1;j<=s;j+=1){
      |                             ^