Submission #1258154

#	Time	Username	Problem	Language	Result	Execution time	Memory
1258154		altern23	Nile (IOI24_nile)	C++20	67 / 100	2095 ms	6584 KiB

nile

#include "nile.h"
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define pii pair<ll, ll>
#define fi first
#define sec second

const ll INF = 1e18;

vector<long long> calculate_costs(vector<int> W, vector<int> A, vector<int> B, std::vector<int> E) {  
  int Q = (int)E.size(), N = (int)W.size();
  vector<pii> objects;
  for(int i = 0; i < N; i++) objects.push_back({W[i], B[i] - A[i]});
  sort(objects.begin(), objects.end());
  vector<long long> R(Q, 0);
  for(int i = 0; i < Q; i++){
    ll ans = 0;
    for(int j = 0; j < N; j++) ans += A[j];
    vector<ll> dp(N + 5, INF);
    dp[0] = 0;
    for(int j = 1; j < N; j++){
      dp[j] = dp[j - 1];
      if(objects[j].fi - objects[j - 1].fi <= E[i]) dp[j] = min(dp[j], (j == 1 ? 0LL : dp[j - 2]) + objects[j].sec + objects[j - 1].sec);
      if(j >= 2 && objects[j].fi - objects[j - 2].fi <= E[i]) dp[j] = min(dp[j], (j == 2 ? 0LL : dp[j - 3]) + objects[j].sec + objects[j - 2].sec);
    }
    R[i] = dp[N - 1] + ans;
  }
  return R;
}

• Subtask 0: 0 / 0
• Subtask 1: 6 / 6
• Subtask 2: 13 / 13
• Subtask 3: 17 / 17
• Subtask 4: 11 / 11
• Subtask 5: 20 / 20
• Subtask 6: 0 / 15
• Subtask 7: 0 / 18