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看看还能比这个简单么? 我瞎蒙的....

Posted by jessekidddd at 2006-01-18 12:25:59 on Problem 1032
#include <iostream.h>
int main(int argc, char *argv[])
{
    int n=7,i,t;
    cin>>n;
    for(i=2;n>=i;i++) n-=i;
    i--;//原来多加了一个1
    if(i==n)
    {
        for(t=2;t<=i-1;t++)
    	{
    	   cout<<t+1<<" ";
        }
        cout<<i+2<<" ";
    }
    else
    {
        for(t=2;t<=i;t++)
        {
	       if(i-t<n) cout<<t+1<<" ";
	       else cout<<t<<" ";
        }
    }
    cout<<endl;
	return 0;
}

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