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小暴力求出,,,然后switch。。。

Posted by zhanglg at 2012-09-22 14:57:45 on Problem 1012
#include<iostream>
using namespace std;

int main()
{
    int n;
    while(cin>>n)
    {
        if(n==0)
           break;
        int i,j,num=0,sum=0;
        for(i=n+1; i<1000000000; i++)
        {
            int m=2*n;
            sum=i;
            while(m>n)
            {
                if((sum%m)<=n&&(sum%m)>0)
                    break;
                if(sum%m>0)
                    sum=i+sum%m-1;
                else
                    sum=i;
                m--;
            }
            if(m==n)
            {
                cout<<i<<endl;
                break;
            }

        }
    }
    return 0;
}

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