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minmizeArray.cpp
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/***
* 有一个长度为N的序列。一开始,这个序列是1, 2, 3,... n - 1, n的一个排列。
对这个序列,可以进行如下的操作:
每次选择序列中k个连续的数字,然后用这k个数字中最小的数字替换这k个数字中的每个数字。
我们希望进行了若干次操作后,序列中的每个数字都相等。请你找出需要操作的最少次数。
***/
#include <iostream>
using namespace std;
int num[10050];
int main()
{
int n, k;
int pos;
int res = 0;
cin >> n >> k;
for (int i = 1; i <= n; i++)
{
cin >> num[i];
if (num[i] == 1)
pos = i;
}
int tmp = pos;
while (tmp < n+1)
{
if (tmp == n)
break;
tmp += k-1;
res++;
}
tmp = pos;
while (tmp > 0)
{
if (tmp == 1)
break;
tmp -= (k-1);
res++;
}
cout << res;
}
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