2017 ACM/ICPC Asia Regional Shenyang Online 1002 cable cable cable
2017-09-19 21:31
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http://acm.hdu.edu.cn/showproblem.php?pid=6195
给出n个不同颜色的信号源,再给出m个屏幕,m>=n,用电缆来连接,问最少需要多少电缆,使得满足任意选n个屏幕,这n个屏幕里的颜色都可以不同
从1 1 打表到5 5 ,就可以发现规律ans=(m-n+1)*n
给出n个不同颜色的信号源,再给出m个屏幕,m>=n,用电缆来连接,问最少需要多少电缆,使得满足任意选n个屏幕,这n个屏幕里的颜色都可以不同
从1 1 打表到5 5 ,就可以发现规律ans=(m-n+1)*n
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