https://blog.youkuaiyun.com/zero_pomelozh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/zero_pomelo/article/details/53508150https://blog.youkuaiyun.com/zero_pomelo/article/details/53508150zero_pomeloWed, 07 Dec 2016 16:50:00 +08000) { digit=n%10; c[digit]++;  n=n/10; }]]>https://blog.youkuaiyun.com/zero_pomelo/article/details/53508110https://blog.youkuaiyun.com/zero_pomelo/article/details/53508110zero_pomeloWed, 07 Dec 2016 16:47:09 +0800