標籤:sql select iamlasong1、需求兩個表,投遞記錄表和封發開拆記錄表,現在想知道投遞日期距最後一次封發日期天數分布情況。對這個需求,需要先查詢出投遞明細,同時要知道對應的郵件最後一次封發情況,如機構、日期等2、明細查詢考慮到一天可能封發多次,所以取日期和時間都是最大的那條,語句如下:select * from tb_evt_bag_mail_rela a,tb_evt_dlv c , tb_jg d
標籤:acm 二分尋找 Monthly ExpenseTime Limit: 2000MS Memory Limit: 65536KTotal Submissions: 14158 Accepted: 5697DescriptionFarmer John is an astounding accounting wizard and has realized he
標籤:c++Problem DescriptionAngel was caught by the MOLIGPY! He was put in prison by Moligpy. The prison is described as a N * M (N, M <= 200) matrix. There are WALLs, ROADs, and GUARDs in the prison.Angel‘s friends want to save Angel. Their task is:
標籤:hdu 快速冪 費馬小定理 Problem DescriptionDuring summer vacation,Alice stay at home for a long time, with nothing to do. She went out and bought m pokers, tending to play poker. But she hated the