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Re: 920 - Sunny Mountains

Posted: Wed Feb 11, 2015 11:12 am
by LazyTym
this problem seems easy but i can not understand this line of the problem
(3) all the X-coordinates are pair-wise distinct;
.
what does this mean and can anyone help me to understand this problem????

thanks in advanced

Re: 920 - Sunny Mountains

Posted: Wed Feb 11, 2015 9:22 pm
by brianfry713
No two X-coordinates are the same.