c vector wikibooks.org Category:books and literature Global Rank:14,360 visits:5.5M pages/Per:1.8 cplusplus.com Category:programming and developer software Global Rank:29,229 visits:2.6M pages/Per:2.1 vivi.dyndns.org Category:programming and developer software Global Rank:990,125 visits:49.6K pages/Per:1.5 ADS