제출 #1162765

#제출 시각아이디문제언어결과실행 시간메모리
1162765lopkusK blocks (IZhO14_blocks)C++20
53 / 100
1094 ms3088 KiB
#include <bits/stdc++.h>

using namespace std;

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n, k;
  cin >> n >> k;
  vector<int> a(n + 1);
  for(int i = 1; i <= n; i++) {
    cin >> a[i];
  }
  vector<vector<int64_t>> dp(n + 1, vector<int64_t>(k + 1));
  for(int i = 0; i <= n; i++) {
    for(int j = 0; j <= k; j++) {
      dp[i][j] = 1e12;
    }
  }
  dp[0][0] = 0;
  for(int i = 1; i <= n; i++) {
    for(int j = 1; j <= min(k, i); j++) {
      int mx = a[i];
      for(int x = i - 1; x >= 0; x--) {
        dp[i][j] = min(dp[i][j], dp[x][j - 1] + mx);
        mx = max(mx, a[x]);
      }
    }
  }
  cout << dp[n][k];
}
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