제출 #844590

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
844590		vjudge1	Holding (COCI20_holding)	C++17	110 / 110	71 ms	4764 KiB

holding

// author: erray
#include <bits/stdc++.h>

#ifdef DEBUG
  #include "debug.h"
#else
  #define debug(...) void(37)
#endif

using namespace std;

int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  int N, L, R, K;
  cin >> N >> L >> R >> K;
  --L, --R;
  vector<int> A(N);
  for (int i = 0; i < N; ++i) {
    cin >> A[i];
  }
  const int inf = int(1e9);
  int S = R - L +  1;
  vector<vector<int>> dp(S + 1, vector<int>(K + 1, inf));
  dp[0][0] = 0;
  for (int i = 0; i < N; ++i) {
    vector<vector<int>> new_dp = dp;
    for (int j = 0; j < S; ++j) {
      int cost = abs(L + j - i);
      for (int c = 0; c + cost <= K; ++c) {
        int& go = new_dp[j + 1][cost + c];
        int& from = dp[j][c];
        go = min(go, from + A[i]);
      }
    }
    swap(dp, new_dp);
    debug(dp);
  }
  cout << (*min_element(dp[S].begin(), dp[S].end())) << '\n';
}

• Subtask 1: 22 / 22
• Subtask 2: 33 / 33
• Subtask 3: 33 / 33
• Subtask 4: 22 / 22