Submission #1239627

#	Time	Username	Problem	Language	Result	Execution time	Memory
1239627		yuichiro17	Nile (IOI24_nile)	C++20	67 / 100	2095 ms	4340 KiB

nile

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

std::vector<long long> calculate_costs(std::vector<int> W, std::vector<int> A, std::vector<int> B, std::vector<int> E) {
  int n=W.size();
  vector<ll>res;
  for(int d:E){
    ll ans=0;
    for(int i:B)ans+=i;
    vector<pair<int,int>>a(n);
    for(int i=0;i<n;i++){
      a[i]={W[i],A[i]-B[i]};
    }
    sort(a.begin(),a.end());
    for(int l=0,r=0;r<n;r++){
      if(r==n-1||a[r+1].first-a[r].first>d){
        if((r-l+1)%2){
          int m=1e9;
          for(int i=l;i<=r;i++){
            if((i-l)%2==0){
              m=min(m,a[i].second);
            }else{
              if(a[i+1].first-a[i-1].first<=d){
                m=min(m,a[i].second);
              }
            }
          }
          ans+=m;
        }
        l=r+1;
      }
    }
    res.push_back(ans);
  }
  return res;
}

• 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