Eroare de compilare: user.cpp: In function ‘int substring(char*, char)’: user.cpp:12:34: error: invalid conversion from ‘char’ to ‘const char*’ [-fpermissive] int l=strlen(s1),lg=strlen(s2),i=0,j=0;// pornesc in ambele stringuri de la 0 ^ In file included from user.cpp:2:0: /usr/include/string.h:399:15: error: initializing argument 1 of ‘size_t strlen(const char*)’ [-fpermissive] extern size_t strlen (__const char *__s) ^ user.cpp:15:23: error: invalid types ‘char[int]’ for array subscript if(s1[i]==s2[j])// verific daca pe pozitia curenta am acelasi lucru ^ user.cpp: In function ‘int main()’: user.cpp:58:34: error: invalid conversion from ‘char*’ to ‘char’ [-fpermissive] if(substring(d[i],d[j]) && i!=j) ^ user.cpp:9:5: error: initializing argument 2 of ‘int substring(char*, char)’ [-fpermissive] int substring(char s1[],char s2) ^ user.cpp:55:9: warning: unused variable ‘numar’ [-Wunused-variable] int numar=n; // vreau sa numar direct cate sunt. presupun ca sunt toate bune ^