Compilare: main.cpp: In function 'int main()': main.cpp:30:13: warning: unused variable 'p' [-Wunused-variable] int n,d,p,u,st,dr,mid,i; ^ main.cpp:30:15: warning: unused variable 'u' [-Wunused-variable] int n,d,p,u,st,dr,mid,i; ^ main.cpp:30:17: warning: unused variable 'st' [-Wunused-variable] int n,d,p,u,st,dr,mid,i; ^~ main.cpp:30:20: warning: unused variable 'dr' [-Wunused-variable] int n,d,p,u,st,dr,mid,i; ^~ main.cpp:30:23: warning: unused variable 'mid' [-Wunused-variable] int n,d,p,u,st,dr,mid,i; ^~~ main.cpp:30:27: warning: unused variable 'i' [-Wunused-variable] int n,d,p,u,st,dr,mid,i; ^ main.cpp:31:30: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d%d",&n,&d); ^