Leetcode_实现zigzag的转换_20161228

时间:2023-03-09 15:35:34
Leetcode_实现zigzag的转换_20161228
#include<iostream>
//#include<valarray>
#include<vector>
#include<string>
using namespace std;
class Solution {
public:
string convert(string s, int numRows)
{
int h2 = s.length();
int lie1 = h2;
if (numRows != )
lie1 = h2 /2 + ; //得到排列的列数
vector<vector<char>>ret(numRows); //定义二维向量
for (int i = ; i < numRows; i++)
ret[i].resize(lie1); //得到 numRows*lie1的矩阵
int i = ;
int j = ;
int i0 = ;
for (int count = ; (count <= (numRows*lie1-)) && (i0<h2); count++)
{
if (i == )
{
//如果行数等于列数就往下加
for (int ii = ; (ii < numRows) && (i0<h2) && (j<(lie1)); ii++)
{
ret[ii][j] = s[i0];
i0++;
}
i = numRows - ;
j++; }
if (i == (numRows - ))
{
for (int ii = numRows - ; (ii >= ) && (i0<h2) &&(j<(lie1)); ii--)
{
ret[ii][j] = s[i0];
j++;
i0++;
}
i = ;
}
}
//将字符串赋值给向量ret
string s1;
char *c;
for (int i1 = ; i1 < numRows; i1++)
{
for (int j1 = ; j1 < (lie1 ); j1++)
{
if (ret[i1][j1] != '\0')
{
c = &(ret[i1][j1]);
s1.append(c, ); //每次都将值赋给字符串
}
cout << ret[i1][j1];
}
cout << endl; }
return s1;
}
};
void main()
{
Solution A;
string a1 = "A";
string b;
b = A.convert(a1, );
int h1 = b.length();
cout << b<<endl;
system("pause"); }