Eroare de compilare: user.c:3:51: error: conflicting types for ‘a’ int k,i,j,x[70000],y[70000],z[140000],w[140000],l,a,b; ^ user.c:2:20: note: previous declaration of ‘a’ was here unsigned long long a,b,c,d; ^ user.c:3:53: error: conflicting types for ‘b’ int k,i,j,x[70000],y[70000],z[140000],w[140000],l,a,b; ^ user.c:2:22: note: previous declaration of ‘b’ was here unsigned long long a,b,c,d; ^ user.c: In function ‘main’: user.c:5:5: warning: format ‘%llu’ expects argument of type ‘long long unsigned int *’, but argument 2 has type ‘int *’ [-Wformat=] freopen("ndiv.in","r",stdin),freopen("ndiv.out","w",stdout),scanf("%llu%llu",&a,&b),a--; ^ user.c:5:5: warning: format ‘%llu’ expects argument of type ‘long long unsigned int *’, but argument 3 has type ‘int *’ [-Wformat=] user.c:5:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("ndiv.in","r",stdin),freopen("ndiv.out","w",stdout),scanf("%llu%llu",&a,&b),a--; ^ user.c:5:41: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("ndiv.in","r",stdin),freopen("ndiv.out","w",stdout),scanf("%llu%llu",&a,&b),a--; ^ user.c:5:70: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] freopen("ndiv.in","r",stdin),freopen("ndiv.out","w",stdout),scanf("%llu%llu",&a,&b),a--; ^