Compilare: user.cpp: In function ‘int k(int, int)’: user.cpp:18:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:23:17: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[200060]’ [-Wformat=] fscanf(f,"%s",&s); ^