摘要：
CA Loves GCD 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5656 Description CA is a fine comrade who loves the party and people; inevitably she love 阅读全文
摘要：
CA Loves Stick 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5655 Description CA loves to play with sticks. One day he receives four pieces of stick 阅读全文