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cin可以过,不会TLE。另,这题的数据貌似有问题。#include <iostream>
using namespace std;
int main()
{
unsigned long long int n, b, k, sum, t;
while ( cin>>n>>k )
{
sum = 0;
b = 0;
while ( n != 0 )
{
sum += n;
t = n;
n = (t + b) / k;
b = (t + b) % k;
}
cout<<sum<<endl;
}
return 1;
}
以上是我的代码。
在Discuss看到lihaosky的AC代码。
这题输入:4 5 应该输出:4
但是lihaosky的代码输出5也AC了。
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