이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
#define maxn 5005
int n,k;
vector<pair<int,int>> v;
int a[maxn], dp[maxn];
int main() {
cin >> n >> k;
for (int i = 0; i < n; i++) {
int x; cin >> x;
v.push_back({x,i});
}
sort(v.begin(),v.end());
for (int i = 0; i < n; i++) {
a[v[i].second] = i / k;
}
int lis = 0;
for (int i = 0; i < n; i++) {
dp[i] = 1;
for (int j = 0; j < i; j++) {
if (a[j] <= a[i]) {
dp[i] = max(dp[i],1+dp[j]);
}
}
lis = max(lis,dp[i]);
}
cout << n - lis << endl;
}
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