摘要：
Many years ago , in Teddy’s hometown there was a man who was called “Bone Collector”. This man like to collect varies of bones , such as dog’s , cow’s 阅读全文
摘要：
You've got an array, consisting of n integers a1, a2, ..., an. Also, you've got m queries, the i-th query is described by two integers li, ri. Numbers 阅读全文
摘要：
Little Girl and Maximum XOR Time Limit: 2000ms Memory Limit: 262144KB This problem will be judged on CodeForces. Original ID: 276D64-bit integer IO fo 阅读全文
摘要：
A. Kolya and Tandem Repeat Time Limit: 2000ms Memory Limit: 262144KB 64-bit integer IO format: %I64d Java class name: Any Time Limit: 2000ms Memory Li 阅读全文