Compilare: user.cpp: In function ‘int cmp(temp, temp)’: user.cpp:16:12: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] else if(x.a==y.a) ^ user.cpp: In function ‘void reactivi()’: user.cpp:22:11: warning: variable ‘ultim1’ set but not used [-Wunused-but-set-variable] short ultim1=v[1].a,ultim2=v[1].b; ^ user.cpp: In function ‘int main()’: user.cpp:38:21: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘short int*’ [-Wformat=] fscanf(f,"%d",&n); ^ user.cpp:41:30: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘short int*’ [-Wformat=] fscanf(f,"%d",&v[i].a); ^ user.cpp:42:30: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘short int*’ [-Wformat=] fscanf(f,"%d",&v[i].b); ^ user.cpp: In function ‘int cmp(temp, temp)’: user.cpp:19:1: warning: control reaches end of non-void function [-Wreturn-type] } ^