Compilare: user.c: In function ‘main’: user.c:74:2: warning: too many arguments for format [-Wformat-extra-args] printf("%.10f",sqrt(DIV(0,n)),A[0].x,A[0].y,B[0].x,B[0].y); ^ user.c:69:9: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("cmap.in","r",stdin); ^ user.c:70:9: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("cmap.out","w",stdout); ^ user.c:71:7: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.c:72:23: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] for(i=0;i<n;i++)scanf("%lld %lld",&(mirel[i].x),&(mirel[i].y)); ^