Compilare: user.cpp: In function ‘int cmp(art, art)’: user.cpp:66:7: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(a.vmin==b.vmin) ^ user.cpp: In function ‘int main()’: user.cpp:75:59: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘char*’ [-Wformat=] fscanf(Fisier, "%d %d", &r[i].vmin, &r[i].vmax, &x, &y); ^ user.cpp:75:59: warning: format ‘%d’ expects argument of type ‘int*’, but argument 4 has type ‘char*’ [-Wformat=] user.cpp:75:59: warning: too many arguments for format [-Wformat-extra-args] user.cpp: In function ‘int cmp(art, art)’: user.cpp:68:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:73:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(Fisier, "%d", &N); ^ user.cpp:75:60: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(Fisier, "%d %d", &r[i].vmin, &r[i].vmax, &x, &y); ^ user.cpp: In function ‘int Cauta(char, char)’: user.cpp:36:10: warning: ‘Unde’ may be used uninitialized in this function [-Wmaybe-uninitialized] return Unde; ^