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我想用递归来解,感觉思路很有意思,可惜不知道哪里出错了哦~~请大侠们帮帮忙(附代码)

Posted by 304988557 at 2006-09-13 18:29:45 on Problem 2081
#include<iostream.h>
#include<string.h>
#include <stdio.h>
#include<math.h>
int i,t,temp,a;
int test(int k)
{
	if(k==0) return 0;
	else
	{
		a=test(k-1);
		t=a-k;
		if(t>0)
		{
			temp=1;
			for(i=0;i<k;i++)
			{
				if(test(i)==t)
				{
					temp=0;
					break;
				}

				
			}
			if(temp==1) return t;
				
		}

		else
			return test(k-1)+k;
	}
}
int main()
{
    int num,k;
	while(cin>>k)
	{
		if(k==-1) return 1;
	    num=test(k);
	    cout<<num<<endl;
	}
	
    return 1;
}

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