摘要：
Graph and String time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output One day student Vasya w 阅读全文
摘要：
IOI2009 Mecho Time Limit: 10000ms Memory Limit: 262144KB This problem will be judged on SPOJ. Original ID: CTOI09_164-bit integer IO format: %lld Java 阅读全文