时间限制: 10000ms 单点时限: 1000ms 内存限制: 256MB 描述 Finally, you come to the interview room. You know that a Microsoft interviewer is in the room though the door is locked. There is a combinatio
ESP8266 运行 alios things 自带 linkkitapp 示例 OTA 升级失败串口打印信息如下: [ 8.980]<A>AOS OTA secure download start ... ota_service_start [ 8.990]<I>ota ota param crc:0x0380 cal:0xd1db [ 8.990]<I>ota OTA
Dylans loves tree Accepts: 49 Submissions: 262 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) 问题描述 Dylans有一棵N个点的树。每个点有点权。树上节点标号为1∼N。他得到了Q个询问,形式如下: