[ALIB2-EXAM]数字的S形连续打印

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打印数字，一行三个，从第1行开始，奇数行正序，偶数行逆序。即S形打印。

(面试：一分钟写出程序)

/***************************************************************************** DESCRIPTION: ALiBaBa-B2B Interview 2009-10-17* (S型号数据打印-题目是打印每行3个的)* * 1 2 3 4 5* 10 9 8 7 6* 11 12 13 14 15* 20 19 18 17 16* * (Time ： Just One Minute)* AUTHOR: Neesky** DATE:2009-10-17*****************************************************************************//** include files **/#include <iostream>using namespace std;/// <summary>/// The Function Of Print LineNum Lines and EachLineNum/// </summary>/// <param name="LineNum"></param>/// <param name="EachLineNum"></param>/// <returns></returns>void PrintSNums(int LineNum,int EachLineNum){ for(int i=1;i<=LineNum;++i) { for(int j=1;j<=EachLineNum&&i%2==1;++j) { cout.width(10);cout<<(i-1)*EachLineNum+j; } for(int j=1;j<=EachLineNum&&i%2==0;++j) { cout.width(10);cout<<i*EachLineNum-j+1; } cout<<endl; } return;}/// <summary>/// The Main Programming/// </summary>/// <param name="argc"></param>/// <param name="argv"></param>/// <returns></returns>int main (int argc, char *argv[]){ PrintSNums(4,5); return(0);}

输出：

         1         2         3         4         5
        10         9         8         7         6
        11        12        13        14        15
        20        19        18        17        16