题目链接
题目
题目描述
\(N (2 \leq N \leq 8,000)\) cows have unique brands in the range 1..N. In a spectacular display of poor judgment, they visited the neighborhood 'watering hole' and drank a fe...
线段树
Description
N (2 <= N <= 8,000) cows have unique brands in the range 1..N. In a spectacular display of poor judgment, they visited the neighborhood 'watering hole' and drank a few too...
有4到5天没开mysql,这天晚上打=打开phpstudy,想进去mysql练习练习,结果丢给我这个
ERROR 2013 (HY000): Lost connection to MySQL server at 'reading initial communication packet', system error: 0
错误20...