Submission #91158

#	Time	Username	Problem	Language	Result	Execution time	Memory
91158		arman_ferdous	Gondola (IOI14_gondola)	C++17	20 / 100	45 ms	5768 KiB

gondola

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

set<int> st;
int valid(int n, int inputSeq[])
{
	int last = -1, start = -1, num = 1000000;
	for(int i = 0; i < n; i++) {
		st.insert(inputSeq[i]);
		if(inputSeq[i] > n) inputSeq[i] = -1;
		else {
			last = i;
			if(inputSeq[i] < num) 
				start = i, num = inputSeq[i];
		}
	}
	if(st.size() != n) return 0;
	if(last == -1) return 1;
	for(int i = start; i < n; i++)
		if(inputSeq[i] + 1 && inputSeq[i] != num + i - start)
			return 0;
	int at0 = inputSeq[last] + n - last;
	for(int i = 0; i < start; i++)
		if(inputSeq[i] + 1 && inputSeq[i] != at0 + i)
			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:18:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  if(st.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