标签：style blog io color ar for sp div on
The string "PAYPALISHIRING" is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font for better legibility)
P A H N A P L S I I G Y I R
And then read line by line: "PAHNAPLSIIGYIR"
Write the code that will take a string and make this conversion given a number of rows:
string convert(string text, int nRows);
convert("PAYPALISHIRING", 3) should return "PAHNAPLSIIGYIR".
代码：z字形遍历二维数组。
class Solution { public: string convert(string s, int nRows) { if(s.empty()||nRows==1) return s; string res; char a[1000][1000]; memset(a,0,sizeof(a)); int i=0,j=0,q=0; int j_time=0; int len=s.size(); while (i<nRows&&q<len){ a[i][j]=s[q]; ++i;++q; if(i==nRows&&q<len){ --i; j_time=0; while (j_time<(nRows-1)&&q<len){ --i; ++j_time; ++j; a[i][j]=s[q];++q; } ++i; } } for (int i=0;i<nRows;++i) { for (int j=0;j<len;++j) { if(a[i][j]!=‘\0‘) res.push_back(a[i][j]); } } return res; } };
标签：style blog io color ar for sp div on
原文地址：http://www.cnblogs.com/fightformylife/p/4072163.html
