CF892A.Greed
普及/提高-
通过率:0%
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题目描述
Jafar has n cans of cola. Each can is described by two integers: remaining volume of cola ai and can's capacity bi ( ai <= bi ).
Jafar has decided to pour all remaining cola into just 2 cans, determine if he can do this or not!
输入格式
The first line of the input contains one integer n ( 2<=n<=100000 ) — number of cola cans.
The second line contains n space-separated integers a1,a2,...,an ( 0<=ai<=109 ) — volume of remaining cola in cans.
The third line contains n space-separated integers that b1,b2,...,bn ( ai<=bi<=109 ) — capacities of the cans.
输出格式
Print "YES" (without quotes) if it is possible to pour all remaining cola in 2 cans. Otherwise print "NO" (without quotes).
You can print each letter in any case (upper or lower).
输入输出样例
输入#1
2 3 5 3 6
输出#1
YES
输入#2
3 6 8 9 6 10 12
输出#2
NO
输入#3
5 0 0 5 0 0 1 1 8 10 5
输出#3
YES
输入#4
4 4 1 0 3 5 2 2 3
输出#4
YES
说明/提示
In the first sample, there are already 2 cans, so the answer is "YES".