【LeetCode从零单排】No118 Pascal's Triangle
2023-09-27 14:27:08 时间
Given numRows, generate the first numRows of Pascal s triangle.
For example, given numRows = 5,Return
[1],
[1,1],
[1,2,1],
[1,3,3,1],
[1,4,6,4,1]
public List List Integer generate(int numRows) { List List Integer result=new ArrayList List Integer (); // List Integer temp=new List Integer if(numRows==0) return result; if(numRows==1) { List Integer temp=new ArrayList Integer temp.add(1); result.add(temp); return result; if(numRows==2){ List Integer temp1=new ArrayList Integer List Integer temp2=new ArrayList Integer temp1.add(1); temp2.add(1); temp2.add(1); result.add(temp1); result.add(temp2); return result; List Integer temp1=new ArrayList Integer List Integer temp2=new ArrayList Integer temp1.add(1); temp2.add(1); temp2.add(1); result.add(temp1); result.add(temp2); for(int i=3;i =numRows;i++){ List Integer temp=new ArrayList Integer temp.add(1); for(int j=0;j j++){ temp.add(result.get(i-2).get(j)+result.get(i-2).get(j+1)); temp.add(1); result.add(temp); return result;
LeetCode 118:杨辉三角 II Pascal s Triangle II 公众号:爱写bug(ID:icodebugs)作者:爱写bug 给定一个非负索引 k,其中 k 33,返回杨辉三角的第 k 行。 Given a non-negative index k where k 33, return the kth index row of the Pascal s triangle. Note that the row index starts from 0. 在杨辉三角中,每个数是它左上方和右上方的数的和。
Leetcode 118:Pascal s Triangle 杨辉三角 118:Pascal s Triangle 杨辉三角 Given a non-negative integer numRows, generate the first numRows of Pascal s triangle. 给定一个非负整数 numRows,生成杨辉三角的前 numRows 行。
[LeetCode] Valid Triangle Number 合法的三角形个数 Given an array consists of non-negative integers, your task is to count the number of triplets chosen from the array that can make triangles if we take them as side lengths of a triangle.
傲海 著有《机器学习实践应用》,阿里云机器学习PAI产品经理,个人微信公众号 ldquo;凡人机器学习 rdquo;。
Given numRows, generate the first numRows of Pascals triangle.
For example, given numRows = 5,
Return
[ [1], [1,1], [1,2,1], [1,3,3,1], [1,4,6,4,1] ]
public List List Integer generate(int numRows) { List List Integer result=new ArrayList List Integer (); // List Integer temp=new List Integer if(numRows==0) return result; if(numRows==1) { List Integer temp=new ArrayList Integer temp.add(1); result.add(temp); return result; if(numRows==2){ List Integer temp1=new ArrayList Integer List Integer temp2=new ArrayList Integer temp1.add(1); temp2.add(1); temp2.add(1); result.add(temp1); result.add(temp2); return result; List Integer temp1=new ArrayList Integer List Integer temp2=new ArrayList Integer temp1.add(1); temp2.add(1); temp2.add(1); result.add(temp1); result.add(temp2); for(int i=3;i =numRows;i++){ List Integer temp=new ArrayList Integer temp.add(1); for(int j=0;j j++){ temp.add(result.get(i-2).get(j)+result.get(i-2).get(j+1)); temp.add(1); result.add(temp); return result;
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LeetCode 118:杨辉三角 II Pascal s Triangle II 公众号:爱写bug(ID:icodebugs)作者:爱写bug 给定一个非负索引 k,其中 k 33,返回杨辉三角的第 k 行。 Given a non-negative index k where k 33, return the kth index row of the Pascal s triangle. Note that the row index starts from 0. 在杨辉三角中,每个数是它左上方和右上方的数的和。
Leetcode 118:Pascal s Triangle 杨辉三角 118:Pascal s Triangle 杨辉三角 Given a non-negative integer numRows, generate the first numRows of Pascal s triangle. 给定一个非负整数 numRows,生成杨辉三角的前 numRows 行。
[LeetCode] Valid Triangle Number 合法的三角形个数 Given an array consists of non-negative integers, your task is to count the number of triplets chosen from the array that can make triangles if we take them as side lengths of a triangle.
傲海 著有《机器学习实践应用》,阿里云机器学习PAI产品经理,个人微信公众号 ldquo;凡人机器学习 rdquo;。
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