多校联赛2 Problem2 Warm up 求桥的数目+缩点后的树的直径 当时被不知道原因的爆栈爆到无语了。。
摘要:
Warm upTime Limit: 10000/5000 MS (Java/Others)Memory Limit: 65535/65535 K (Java/Others) Total Submission(s): 1398Accepted Submission(s): 320 Problem Description N planets are connected by M bidirectional channels that allow instant transportation. It's always possible to travel between any ... 阅读全文