AFGhazy's blog

Any help with CF#254 A Div1
By AFGhazy, history, 9 years ago, In English

http://codeforces.com/contest/445/problem/C

can any one explain the problem and the answer for me ? the tutorial and the problem statement are so mysterious for me thanks in advance.

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9 years ago, # |
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A similar but quite easy question :

Q : Find the maximum average subset/sub-array of a given array ? Ans : Maximum Number in Array.

445C - DZY любит физику is just a graphical version of this question. But for 1 node,ans is defined to be 0 instead of oo. Hence you pick 2 nodes for which (x[a[i]] + x[b[i]]) / c[i] is maximum

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