Submission #129355

#	Time	Username	Problem	Language	Result	Execution time	Memory
129355		antimirage	Gondola (IOI14_gondola)	C++14	Compilation error	0 ms	0 KiB

gondola

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

using namespace std;

const int N = 1e6 + 5;

int b[N], ind[N], mx, sz;

int valid(int n, int inputSeq[])
{
	memset(ind, -1, sizeof(ind));
	int pos = -1;
	
	for (int i = 0; i < n; i++) {
		if (a[i] <= n) {
			pos = i;
		}
		if (a[i] > a[mx]) {
			mx = i;
		}
		ind[a[i]] = i;
	}
	if (pos == -1) {
		for (int i = 0; i < n; i++) {
			b[i] = i + 1;
		}
	}
	else {
		int cn = 1;
		b[pos] = a[pos];
		for (int i = (pos + 1) % n; i != pos; i = (i + 1) % n) {
			b[i] = a[pos] + cn;
			cn++;
		}
	}
	for (int i = 0; i < n; i++) {
		if (a[i] > n) continue;
		if (a[i] != b[i])
			return 0;
	}
	return 1;
}
int replacement(int n, int a[], int ans[])
{
	memset(ind, -1, sizeof(ind));
	int pos = -1;
	
	for (int i = 0; i < n; i++) {
		if (a[i] <= n) {
			pos = i;
		}
		if (a[i] > a[mx]) {
			mx = i;
		}
		ind[a[i]] = i;
	}
	if (pos == -1) {
		for (int i = 0; i < n; i++) {
			b[i] = i + 1;
		}
	}
	else {
		int cn = 1;
		b[pos] = a[pos];
		for (int i = (pos + 1) % n; i != pos; i = (i + 1) % n) {
			b[i] = a[pos] + cn;
			cn++;
		}
	}
	for (int i = n + 1; i <= a[mx]; i++) {
		if (ind[i] == -1) {
			ans[sz++] = b[mx];
			b[mx] = i;
		}
		else {
			ans[sz++] = b[ind[i]];
			b[ind[i]] = i;
		}
	}
	return sz;
}

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

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

Compilation message (stderr)

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:16:7: error: 'a' was not declared in this scope
   if (a[i] <= n) {
       ^
gondola.cpp:19:7: error: 'a' was not declared in this scope
   if (a[i] > a[mx]) {
       ^
gondola.cpp:22:7: error: 'a' was not declared in this scope
   ind[a[i]] = i;
       ^
gondola.cpp:31:12: error: 'a' was not declared in this scope
   b[pos] = a[pos];
            ^
gondola.cpp:38:7: error: 'a' was not declared in this scope
   if (a[i] > n) continue;
       ^
gondola.cpp:39:7: error: 'a' was not declared in this scope
   if (a[i] != b[i])
       ^