Submission #307701

#	Time	Username	Problem	Language	Result	Execution time	Memory
307701		kylych03	Gondola (IOI14_gondola)	C++14	30 / 100	18 ms	1280 KiB

gondola

#include "gondola.h"
//#include "grader.cpp"
#include <bits/stdc++.h>
using namespace std;
int vis[1000001];
int valid(int n, int inputSeq[])
{
    int ind = 0;
    int num = 0;
  for(int i = 0 ; i< n ; i++){
    if(inputSeq[i]>=1 && inputSeq[i] <=n ){
        ind = i;
        num = inputSeq[i];
    }
    if(inputSeq[i] <1)
        return 0;
    if(vis[inputSeq[i]] ==1)
        return 0;

    vis[inputSeq[i]]=1;

  }
  if(num==0)
    return 1;
  for(int i = 0 ; i < n; i++)
  if(inputSeq[i] <= n){
    if( (ind  +  (inputSeq[i] - num)  +n ) %n!=i  )
        return 0;
  }
  return 1;
}

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

int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
    int mx = 0;
  for(int i = 0 ; i < n; i++){
         vis[gondolaSeq[i]]=1;
    mx = max ( mx,  gondolaSeq[i]);
  }
int cnt = 0;
for(int i =1 ; i <mx;i++)
if(vis[i]==0){
    replacementSeq[cnt]=i;
    cnt ++;
}

  return mx - n;
}

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

int countReplacement(int n, int inputSeq[])
{
  int ind = 0;
    int num = 0;
  for(int i = 0 ; i< n ; i++){
    if(inputSeq[i]>=1 && inputSeq[i] <=n ){
        ind = i;
        num = inputSeq[i];
    }
    if(inputSeq[i] <1)
        return 0;
    if(vis[inputSeq[i]] ==1)
        return 0;

    vis[inputSeq[i]]=1;

  }
  if(num!=0)
  for(int i = 0 ; i < n; i++)
  if(inputSeq[i] <= n){
    if( (ind  +  (inputSeq[i] - num)  +n ) %n!=i  )
        return 0;
  }
  return 1;
}

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