Compilare: user.cpp: In function ‘int main()’: user.cpp:36:17: warning: unused variable ‘p’ [-Wunused-variable] long long r,p,d,d1,ok=0,nr,nr1,i,x,s=0; ^ user.cpp:36:21: warning: unused variable ‘d1’ [-Wunused-variable] long long r,p,d,d1,ok=0,nr,nr1,i,x,s=0; ^ user.cpp:36:24: warning: unused variable ‘ok’ [-Wunused-variable] long long r,p,d,d1,ok=0,nr,nr1,i,x,s=0; ^ user.cpp:36:29: warning: unused variable ‘nr’ [-Wunused-variable] long long r,p,d,d1,ok=0,nr,nr1,i,x,s=0; ^ user.cpp:36:32: warning: unused variable ‘nr1’ [-Wunused-variable] long long r,p,d,d1,ok=0,nr,nr1,i,x,s=0; ^ user.cpp:36:38: warning: unused variable ‘x’ [-Wunused-variable] long long r,p,d,d1,ok=0,nr,nr1,i,x,s=0; ^ user.cpp:37:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%lld%lld",&r,&d); ^