Compilare: user.cpp: In function ‘int main()’: user.cpp:8:9: warning: variable ‘ma’ set but not used [-Wunused-but-set-variable] int ma,mi,q,a,b,m,n,ci,co; ^ user.cpp:8:12: warning: variable ‘mi’ set but not used [-Wunused-but-set-variable] int ma,mi,q,a,b,m,n,ci,co; ^ user.cpp:8:15: warning: unused variable ‘q’ [-Wunused-variable] int ma,mi,q,a,b,m,n,ci,co; ^ user.cpp:11:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d ",&m); ^ user.cpp:12:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&a,&b); ^