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如果按我的算法做,接下来要怎莫算阿

Posted by ch_619999 at 2007-09-24 13:43:15 on Problem 1019
#include<iostream>
using namespace std;
int main()
{
    int n;
    long long int s,i,j,a;
    cin>>n;
    for(i=0;i<n;i++)
    {
        s=0;
        cin>>a;j=1;
        while(1)
        {
           
           s+=j;
           if(j>=10&&j<100)
           s+=j-10+1;
           if(j>=100&&j<1000)
           s+=100+2*(j-100+1);
           if(j>=1000&&j<10000)
           s+=1000+2*(j-1000+1);
           if(j>=10000&&j<100000)
           s+=10000+2*(j-10000+1);
           if(s>=a)
           break;
           j++;
              
        }
       // ????????????????
    }
    system("PAUSE");
    return 0;
}

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