答案

U2023038 2023-12-23 12:08:10 2023-12-23 12:08:47

#include <bits/stdc++.h>
using namespace std;

int main()
{
int x;
cin>>x;
int y;
cin>>y;
if (x%(y-1)<1)
{
cout<<x/(y-1);
}
else
{
cout<<x/(y-1)+1;
}

return 0;

}