摘要： A - ACodeForces 1060A Description Let's call a string a phone number if it has length 11 and fits the pattern "8xxxxxxxxxx", where each "x" is replace 阅读全文

摘要： A - A 这题很巧妙啊，前两天刚好做过，而且就在博客里 Little C Loves 3 I time limit per test 1 second memory limit per test 256 megabytes input standard input output standard 阅读全文