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请教:两份算法完全相同的代码,区别在哪里??

Posted by qiqilrq at 2007-01-25 23:51:29 on Problem 2039
//  by qiqilrq, wrong answer

#include <iostream>
#include <string.h>
using namespace std;

char t[210];
int main()
{
	int i,j,row,col;
	while (cin>>col && col>0)
	{
		cin>>t;
		row=strlen(t)/col;
		for(i=0;i<row;i++)
		{
			if(i%2==1)	//row is odd
			{
				for(j=0;j<=col/2;j++)
				{
                	char tmp=t[j+i*col];
                    t[j+i*col] = t[col-j-1+i*col];
                    t[col-j-1+i*col] = tmp;
                }
			}
		}
//		cout<<t<<endl;
		for(i=0;i<col;i++)
			for(j=0;j<row;j++)
				cout<<t[i+j*col];
		cout<<endl;
	}
	return 0;
}
/*
// by coffeeandtea, accepted
#include <iostream.h>
#include <string.h>

int main() 
{
	int col;
	int i,j;
	while(cin>>col&&col)
	{
		char a[207];
		cin>>a;//gets(a) get a wa but cin>>a gets AC Why??
	    int len=strlen(a);
		int row=len/col;
		for(i=0;i<row;i++)
			for(j=0;j<col/2;j++)
			{
				if(i%2==1)
				{
					int temp=a[i*col+j];
					a[i*col+j]=a[i*col+col-j-1];
					a[i*col+col-j-1]=temp;
				}
			}
			
			for(i=0;i<col;i++)
    			for(j=0;j<row;j++)
    			{
    				cout<<a[i+j*col];
    			}
			cout<<endl;
	}
	return 0;
}
*/

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