Description:
One day, Ding compiled a full day program, I suddenly felt tired, so they decided to walk around the room. His room is rectangular, and he began to pick from a computer point of view began to walk. As a habit, Ding Junhui is always walking a straight line, and hit the wall after the rebound, the incident angle and exit angle of the same. Ding Junhui will always walk again until the burst of inspiration. Assuming he s walking speed is uniform, and now, Ding s mother wanted to know how long he was a total break to remind him to continue working.
Ding Junhui trying to quiz his mother, so he recorded his own hit series wall and told her, you have no way to help her calculate the Ding s journey?
One day, Ding compiled a full day program, I suddenly felt tired, so they decided to walk around the room. His room is rectangular, and he began to pick from a computer point of view began to walk. As a habit, Ding Junhui is always walking a straight line, and h
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编程作业
........\09编程珠玑.cpp
........\1. 恭喜发财 利是窦来.c
........\6. Red and Black.cpp
........\zhuangqiu.cpp
........\zhuangqiu.zip
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