이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
#define all(x) x.begin(), x.end()
const int INF = 2e9, N = 55, M = 998244353, LOG = 16;
const ll LINF = 1e18;
int main() {
ios::sync_with_stdio(0); cin.tie(0);
int n, k;
cin >> n >> k;
vector<int> v(n), p(n);
for(int& x: v) cin >> x;
iota(all(p), 0);
sort(all(p), [&](int i, int j) {
return v[i] < v[j];
});
for(int i = 0; i < n; i++)
v[p[i]] = i / k;
vector<int> dp(n, 1);
for(int i = 0; i < n; i++)
for(int j = 0; j < i; j++)
if(v[j] <= v[i])
dp[i] = max(dp[i], dp[j] + 1);
cout << n - *max_element(all(dp));
}
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