1008. Airline Routes (35) 时间限制 400 ms 内存限制 65536 kB 代码长度限制 8000 B 判题程序 Standard 作者 CHEN, Yue Given a map of airline routes, you are supposed to check if a round trip can be planned between any pair of cities. Input Specification: Each input file cont…
1005 Programming Pattern (35 分) Programmers often have a preference among program constructs. For example, some may prefer if(0==a), while others may prefer if(!a). Analyzing such patterns can help to narrow down a programmer's identity, which is use…