Submission #27745

#	Time	Username	Problem	Language	Result	Execution time	Memory
27745		zoomswk	Gondola (IOI14_gondola)	C++14	20 / 100	59 ms	7484 KiB

gondola

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

map<int, int> occ;

int valid(int n, int inputSeq[]){
    for(int i=0; i<n; i++){
        inputSeq[i]--;
        if(occ[inputSeq[i]]) return 0;
        occ[inputSeq[i]] = 1;
    }
    int must = -1;
    for(int i=0; i<n; i++) if(inputSeq[i] < n) must = i;
    if(must == -1) return 1;
    for(int i=0; i<n; i++) if(inputSeq[i] < n && (inputSeq[i]+n+must-i)%n != inputSeq[must]) return 0;
    return 1;
}

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

int replacement(int n, int gondolaSeq[], int replacementSeq[]){
  return -2;
}

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

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
• Subtask 8: 0 / 15
• Subtask 9: 0 / 15
• Subtask 10: 0 / 10