/in/lab5.c: In function 'main':
/in/lab5.c:103:13: warning: unused variable 'strlen_array3' [-Wunused-variable]
         int strlen_array3=strlen(array);
             ^~~~~~~~~~~~~
/in/lab5.c: In function 'Change':
/in/lab5.c:268:56: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                 for (unsigned int j = strlen(array); j >= m + 2; j--) {
                                                        ^~