Compilare: user.c: In function ‘main’: user.c:16:13: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=] printf("%d ",v[i]); ^ user.c:6:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("oz.in","r",stdin),freopen("oz.out","w",stdout),scanf("%d%d",&n,&m); ^ user.c:6:39: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("oz.in","r",stdin),freopen("oz.out","w",stdout),scanf("%d%d",&n,&m); ^ user.c:6:66: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] freopen("oz.in","r",stdin),freopen("oz.out","w",stdout),scanf("%d%d",&n,&m); ^ user.c:10:14: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",a+i,b+i,d+i),v[a[i]]=(v[a[i]]*d[i])/C(v[a[i]],d[i]),v[b[i]]=(v[b[i]]*d[i])/C(v[b[i]],d[i]); ^