LeetCode(Oct 28 '12):Pascal's Triangle
2013-07-01 15:27
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水题一枚...练练手...
原题地址戳此:
http://leetcode.com/onlinejudge#question_118
要求如下:
![](http://img.blog.csdn.net/20130701152557531?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvemJ5emhsc3Ay/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center)
代码如下:
原题地址戳此:
http://leetcode.com/onlinejudge#question_118
要求如下:
代码如下:
class Solution { public: vector<vector<int> > generate(int numRows) { vector<vector<int> > result; if(numRows<1) { return result; } vector<int> first; first.push_back(1); result.push_back(first); for(int i=2;i<=numRows;i++) { vector<int> row; for(int n=1;n<=i;n++) { if(n==1||n==i) { row.push_back(1); }else { row.push_back(result[i-1-1][n-1-1]+result[i-1-1][n-1]); } } result.push_back(row); } return result; } };
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