Submission #285520

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
285520	2020-08-29T07:55:17 Z	erd1	Gondola (IOI14_gondola)	C++14	Compilation error	0 ms	0 KB

gondola

#include "gondola.h"
#include<bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
#define all(x) (x).begin(), (x).end()
#define pb push_back
typedef int64_t lld;
typedef pair<int, int> pii;
typedef long double ld;

int valid(int n, int inputSeq[]) {
  set<int> uses;
  for(int i = 0; i < n; i++)if(inputSeq[i] <= n){
    rotate(inputSeq, inputSeq+i, inputSeq+n);
    if(inputSeq[0] != 1) rotate(inputSeq, inputSeq + (n-inputSeq[0]+1), inputSeq + n);
    break;
  }
  for(int i = 0; i < n; i++)
    if(inputSeq[i] == i+1) continue;
    else if(inputSeq[i] <= n)return 0; else if(uses.count(inputSeq[i])) return 0; else uses.insert(inputSeq[i]);
  return 1;
}

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

int replacement(int n, int gondolaSeq[], int replacementSeq[]) {
  map<int, int> mp;
  for(int i = 0; i < n; i++)if(gondolaSeq[i] <= n){
    rotate(gondolaSeq, gondolaSeq+i, gondolaSeq+n);
    if(gondolaSeq[0] != 1) rotate(gondolaSeq, gondolaSeq + (n-gondolaSeq[0]+1), gondolaSeq + n);
    break;
  }
  for(int i = 0; i < n; i++)if(gondolaSeq[i] > n)mp[gondolaSeq[i]] = i+1;
  int cur = 0;
  for(auto i: mp){
    int l = i.ss;
    while(cur+n < i.ff)
      replacementSeq[cur++] = l, l = n+cur;
  }
  return cur;
}

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

int countReplacement(int n, int inputSeq[]) {
  if(!isValid(n, inputSeq))return 0;

}

Compilation message

gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:47:7: error: 'isValid' was not declared in this scope; did you mean 'valid'?
   47 |   if(!isValid(n, inputSeq))return 0;
      |       ^~~~~~~
      |       valid
gondola.cpp:49:1: warning: control reaches end of non-void function [-Wreturn-type]
   49 | }
      | ^