Compilare: user.c: In function ‘main’: user.c:45:28: warning: unused variable ‘gasit’ [-Wunused-variable] int n,m,i,j,mod,x,step,gasit; ^ user.c:45:23: warning: unused variable ‘step’ [-Wunused-variable] int n,m,i,j,mod,x,step,gasit; ^ user.c:52:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^ user.c:55:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&v[i]); ^ user.c:57:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&m); ^ user.c:61:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&mod,&x); ^