| Chandler 的个人资料Blog as you like照片日志列表 |  工具  帮助 |
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2月22日 整了一下profile 背后醒目的'B'字啊，暗示我的姓是以B开头的-_-!
眼镜上闪耀出来的光芒阿，是那智慧的结晶
冷峻的表情之下，有一颗火热，不，炙热的...心~~~
难般BT一下，看到的人不要嘲笑我，哈~~~
2月11日 Developed version, Generated version, Active version and Inactive versionwe can see the developed version, we can't see the generated version, which is generated from the developed version. Developed version can be divieded into active and inactive version, when execute a program from abap editor, we are using the inactive version by default, but we can switch to the active version manually, the active version is read only so we can only edit inactive version, active and inactive version makes it possible that a developer's change will not affact the whole system status. when activate an inactive version, the active version is overwritten by the inactive version. That's all. 2月1日 大家来解题今天整理旧书，随便翻了一下，拿一道题出来做做。。。无聊-_-!
谁做得出，踊跃踊跃。
Let A be any set of 20 distinct integers chosen from the arithmetic progression 1,4,7,10,...,100. Prove that there must be two distinct integers in A whose sum is 104[actually, 20 can be replaced by 19] |
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