Submission #805672

#	Time	Username	Problem	Language	Result	Execution time	Memory
805672		IvanJ	Gondola (IOI14_gondola)	C++17	20 / 100	24 ms	5120 KiB

gondola

#include "gondola.h"
#include<bits/stdc++.h>

#define pb push_back
#define x first
#define y second
#define all(a) (a).begin(), (a).end()

using namespace std;

typedef long long ll;
typedef pair<int, int> ii;

int valid(int n, int A[]) {
	int pos = -1;
	for(int i = 0;i < n;i++) A[i]--;
	set<int> s;
	for(int i = 0;i < n;i++) s.insert(A[i]);
	if(s.size() != n) return 0;
	for(int i = 0;i < n;i++) 
		if(A[i] < n) pos = i;
	if(pos == -1) return 1;
	for(int i = pos;i < pos + n;i++)
		if(A[i % n] < n && A[i % n] != (A[pos] + (i - pos)) % n)
			return 0;
	return 1;
}

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

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

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

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

Compilation message (stderr)

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:19:14: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   19 |  if(s.size() != n) return 0;
      |     ~~~~~~~~~^~~~

• 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