一、题意 给出N个方块,要求给出一个方案,使得1、 所有方块都被使用到(题目数据保证这点) 2、所有方块垒成一个塔,且上面的方块宽度小于下面的方块 3、每个方块只能用一次,可以横着或者竖着。 n范围50w 二、题解 首先考虑表示一个正方形的方法:长度和宽度组成的无向图。 因为必然要把所有方块都堆好, ...
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其他好文 时间:
2018-04-06 16:03:40
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131
< json文件 >{ "DCN":{ "filename":"at0101.07422", "variable":"气温", "Highest_temp":"最高气温", "Lowest_temp":"最低气温" }, "DMD":{ "filename":"bp0101.07422", "var ...
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编程语言 时间:
2018-03-30 16:23:09
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204
声明一个注解 @Target({ElementType.METHOD}) @Retention(RetentionPolicy.RUNTIME) @Documented@Order(Ordered.HIGHEST_PRECEDENCE)public @interface RequestLimit { ...
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编程语言 时间:
2018-03-21 16:36:38
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370
[抄题]: Given a binary search tree and the lowest and highest boundaries as L and R, trim the tree so that all its elements lies in [L, R] (R >= L). You ...
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其他好文 时间:
2018-03-14 18:45:30
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278
The highest building in our city has only one elevator. A request list is made up with N positive numbers. The numbers denote at which floors the elev ...
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其他好文 时间:
2018-03-11 11:57:43
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150
This time you are asked to tell the difference between the lowest grade of all the male students and the highest grade of all the female students. Inp ...
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其他好文 时间:
2018-03-09 14:08:24
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155
MySQL官方文档提供的运算符优先级如下: Operator precedences are shown in the following list, from highest precedence to the lowest. Operators that are shown together o ...
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数据库 时间:
2018-03-08 12:03:29
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175
Description 73 88 1 02 7 4 44 5 2 6 5(Figure 1) Figure 1 shows a number triangle. Write a program that calculates the highest sum of numbers passed on ...
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其他好文 时间:
2018-02-08 00:27:54
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192
A supply chain is a network of retailers(零售商), distributors(经销商), and suppliers(供应商) everyone involved in moving a product from supplier to customer. ...
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其他好文 时间:
2018-02-04 18:11:02
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172
Given a non-empty list of words, return the k most frequent elements. Your answer should be sorted by frequency from highest to lowest. If two words h ...
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其他好文 时间:
2018-02-04 14:40:15
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284