#问题
是SP7733 HPYNOS - Happy Numbers I UKE了
#描述
先附代码,本地测试通过
#include<bits/stdc++.h>
using namespace std;
int t,n,ct;
bool isHappy()
{
unordered_set<int>seen;
while(n!=1&&seen.find(n)==seen.end())
{
seen.insert(n);
int sum=0;
for(int i=n;i>0;i/=10)
{
int digit=i%10;
sum+=digit*digit;
}
n=sum;
ct++;
}
return n==1;
}
int main()
{
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
cin>>n;
if(isHappy())
{
cout<<ct;
}
else
{
cout<<"-1";
}
return 0;
}
这是显示的
RequestError: error sending request for url (https://www.spoj.com/login): error trying to connect: tcp connect error: Connection timed out (os error 110)
怎样才能在洛谷AC这个?