Note
In PASCAL, annotations are enclosed in braces or parentheses with asterisks. Delphi also recognizes C ++-style comments, that is, the comments are placed behind the double slashes. For example
{This is a comment} (* this is another
The first chapter, Pascal introductionFirst, the basic grammatical unit of Pascal 1. Basic symbolsA--z;a--z;0--9;+,-,*,/,=,<>,=,, (,), [,],{,},:=,,,;,.,:,.., ', ^Note: Pascal language must not use any other symbols other than the basic symbols set
print Yang Hui's triangle (Pascal ' s triangle)--using chain-type queues
1. The concept of the Yang Hui's triangle
Yang Hui's triangle, also called Jia Xian triangle, Pascal Triangle, is a geometric arrangement of two-item coefficients in a
The title comes from Leetcodehttps://leetcode.com/problems/pascals-triangle/Given numrows, generate the first numrows of Pascal ' s triangle.For example, given numrows = 5,Return[ 1], [ 1,2,1], [ 1,3,3,1], [ 1,4,6,4,1]Class Solution
I. Question
This question requires a certain line of values in the Yang Hui triangle.
Ii. Analysis
This question is very similar to Pascal 'striangle, but only the result of a Certain Row needs to be obtained here. In Pascal's triangle, because all
Given numrows, generate the first numrows of Pascal ' s triangle.For example, given numrows = 5,Return[ 1], [ 1,2,1], [ 1,3,3,1], [ 1,4,6,4,1]The Yang Hui triangle mainly has the following five properties:
The Yang Hui Triangle is
First, stick to the topic:The principle of the dichotomy method is: if the continuous function f (x) in the interval [a, b] two endpoints of the value of the difference, that is F (a) f (b) The steps of the dichotomy are:Check the interval length,
return tmpLarge.push_back(tmp);The price is equal totmpLarge.push_back(tmp);return tmpLarge;Because the push_back () return value type is void, the latter returns the type of Tmplarge.The code is as follows:classSolution { Public:
The fifth chapter, function and process programmingFunctions (including standard functions and custom functions)1. Definition of functionFormat: Function name (): return value type;VarBEGINEND[Note]: 1, formal parameter list each parameter is
Pascal's Triangle I, II, pascaltriangle
The question is from Leetcode.
Https://leetcode.com/problems/pascals-triangle/
Given numRows, generate the first numRows of Pascal's triangle.
For example, given numRows = 5,Return
[ [1], [1,1], [1,2,1
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