제출 #253308

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
253308		eohomegrownapps	곤돌라 (IOI14_gondola)	C++14	20 / 100	14 ms	768 KiB

gondola

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

int valid(int n, int inputSeq[]){
    vector<bool> seen(250002,false);
    int mnv = 250002;
    int mnind = -1;
    for (int i = 0; i<n; i++){
        if (seen[inputSeq[i]]){
            return 0;
        }
        seen[inputSeq[i]]=true;
        if (mnv>inputSeq[i]){
            mnv=inputSeq[i];
            mnind=i;
        }
    }
    if (mnv>n){
        return 1;
    }
    mnv++;
    for (int i = (mnind+1)%n; i!=mnind; i=(i+1)%n){
        if (1<=inputSeq[i]&&inputSeq[i]<=n){
            if (mnv!=inputSeq[i]){
                return 0;
            }
        }
        mnv++;
    }
    return 1;
}

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

int replacement(int n, int gondolaSeq[], int replacementSeq[]){
    vector<pair<int,int>> gondind;
    int oneind = 0;
    for (int i = 0; i<n; i++){
        if (gondolaSeq[i]<n){
            oneind=(i+n-(gondolaSeq[i]-1))%n;
            break;
        }
    }
    for (int i = 0; i<n; i++){
        if (gondolaSeq[i]>=n){
            gondind.push_back({gondolaSeq[i],1+(i-oneind+n)%n});
        }
    }
    sort(gondind.begin(),gondind.end());
    int ptr = 0;
    int gprev = n;
    int lastplaced = n;
    for (auto g : gondind){
        //cout<<g.first<<" "<<g.second<<'\n';
        replacementSeq[ptr]=g.second;
        ptr++;
        lastplaced++;
        for (int h = gprev+1; h<g.first; h++){
            replacementSeq[ptr]=lastplaced;
            ptr++;
            lastplaced++;
        }
        gprev=g.first;
    }
    return ptr;
}

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

int countReplacement(int n, int inputSeq[])
{
  return -3;
}

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