为什么这才90分?拜托！求助神犇！妹子在线等！

Alextokc @ 2017-01-17 12:01:13

#include <bits/stdc++.h>
using namespace std;
typedef long long int64;
int main(){
    int64 n , k , sum=0;
    cin >> n >> k;
    for (int64 i=0;i<k;++i){
        sum = sum + n/((int)pow(k,i));
    }
    cout << sum << endl;
    return 0;
}

by Kidd @ 2017-01-17 13:40:34

var n,m,s:longint;
begin
   readln(n,m);
   s:=n;
   while n>=m do
   begin
      s:=s+n div m;
      n:=n mod m+n div m;
   end;
   writeln(s);
end.

by xrz2895538112xrz @ 2017-08-28 21:49:25

//我的代码，仅供参考
#include<iostream>
using namespace std;
long long N,K;
long long yan,yantou,ans;
void smoke()
{
    ans+=yan;
    yantou+=yan;
    yan=0; 
}
void exchange()
{
    yan=yan+yantou/K;
    yantou=yantou-yantou/K*K;
}
int main()
{
cin>>N>>K;
yan=N;//"yan" 是"香烟个数"
yantou=0;//"yantou"是"烟头个数" 
while(yan!=0)
{
    smoke();
    exchange();
}
cout<<ans; 
    return 0;
}