Submission #285506

#	Time	Username	Problem	Language	Result	Execution time	Memory
285506		erd1	Gondola (IOI14_gondola)	C++14	Compilation error	0 ms	0 KiB

gondola

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

int valid(int n, int inputSeq[]) {
  set<int> uses, xs;
  for(int i = 0; i < n; i++)xs.insert(inputSeq[i]);
  if(xs.size() != n)return 0;
  if(*xs.begin() > n)return 1;
  rotate(inputSeq, find(inputSeq, inputSeq+n, *xs.begin()), inputSeq+n);
  assert(*xs.begin() == inputSeq[0]);
  if(*xs.begin() != 1) rotate(inputSeq, inputSeq+(n-*xs.begin()+1), inputSeq+n);
  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)mp[gondolaSeq[i]] = i;
  int cur = 0;
  for(auto i: mp){
    int l = i.ss;
    while(cur <= i.ff)
      replacementSeq[cur] = l, l = cur++;
  }
  return cur;
}

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

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

Compilation message (stderr)

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:8:16: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
    8 |   if(xs.size() != n)return 0;
      |      ~~~~~~~~~~^~~~
gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:26:15: error: 'struct std::pair<const int, int>' has no member named 'ss'
   26 |     int l = i.ss;
      |               ^~
gondola.cpp:27:20: error: 'struct std::pair<const int, int>' has no member named 'ff'
   27 |     while(cur <= i.ff)
      |                    ^~