Compilare: user.cpp: In function ‘int ask(char*, char*)’: user.cpp:26:14: warning: array subscript has type ‘char’ [-Wchar-subscripts] aux[i][b[0]]=a[0]-i; ^ user.cpp:29:11: warning: array subscript has type ‘char’ [-Wchar-subscripts] aux[a[0]][j]=b[0]-j; ^ user.cpp: In function ‘int main()’: user.cpp:125:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d\n",&k); ^ user.cpp:127:29: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(init,1000006,1,in);///sau mai mult ^