摘要：
TeX Quotes Time limit: 3.000 seconds TeX is a typesetting language developed by Donald Knuth. It takes source text together with a few typesetting ins 阅读全文
摘要：
Flip Game Time Limit: 1000MS Memory Limit: 65536K Description Flip game is played on a rectangular 4x4 field with two-sided pieces placed on each of i 阅读全文