제출 #70316

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
70316		alenam0161	Gondola (IOI14_gondola)	C++17	55 / 100	31 ms	4232 KiB

gondola

#include "gondola.h"
#include <bits/stdc++.h>
using namespace std;
int pos(int n,int rng[]){
    return min_element(rng,rng+n)-rng;
}
int ds(int p,int i,int n){
    return i<p ? n-p+i:i-p;
}
int valid(int n, int inputSeq[])
{
  int mn=pos(n,inputSeq);
  int mx=inputSeq[mn];
  int se=mn;
  if(distance(inputSeq,unique(inputSeq,inputSeq+n))!=n)return 0;
  for(int j=1;j<n;++j){
      mn++;
      if(mn==n)mn=0;
      if(inputSeq[mn]<=n&&inputSeq[mn]-inputSeq[se]!=ds(se,mn,n)){
          return 0;
      }
      if(inputSeq[mn]<=n)mx=max(mx,inputSeq[mn]);
  }
  return 1;
}

//----------------------

int replacement(int n, int gondolaSeq[], int replacementSeq[])
{

  vector<pair<int,int>> vx;
  int p=pos(n,gondolaSeq);
  if(gondolaSeq[p]<=n){
    if(p-(gondolaSeq[p]-1)<0){
        p-=(gondolaSeq[p]-1);
        p=n+p;
    }
    else{
        p-=(gondolaSeq[p]-1);
    }
  }
  for(int i=0;i<n;++i){
        vx.push_back({gondolaSeq[i],ds(p,i,n)});
  }
  sort(vx.begin(),vx.end());
  int sz=0;
  for(auto to:vx){
    int x=to.first;
    int st=to.second+1;
    if(st!=x){
        replacementSeq[sz++]=st;
        while(true){
            n++;
            st=n;
            if(st<x)
            replacementSeq[sz++]=n;
            else break;
        }
    }
  //  cout<<x<< " "<<st<<endl;
  }
  return sz;
}

//----------------------

int countReplacement(int n, int inputSeq[])
{
    return 5;
}

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 10 / 10
• Subtask 4: 5 / 5
• Subtask 5: 10 / 10
• Subtask 6: 20 / 20
• Subtask 7: 0 / 5
• Subtask 8: 0 / 15
• Subtask 9: 0 / 15
• Subtask 10: 0 / 10