#include "gondola.h"
#include <algorithm>
#include <stdio.h>
int valid(int n, int inputSeq[])
{
int x;
for (x = 0; x < n; x++) {
if (inputSeq[x] <= n)
break;
}
if (x == n) return 1;
for (int i = 0; i < n; i++) {
int idx = i < inputSeq[x] ? (x + n - (inputSeq[x] - (i + 1))) : x + ((i + 1) - inputSeq[x]);
int v = inputSeq[idx % n];
if (v > n || v == (i + 1)) continue;
return 0;
}
return 1;
}
//----------------------
int replacement(int n, int gs[], int rs[])
{
int x = 0;
for (; x < n; x++) {
if (gs[x] <= n)
break;
}
if (x == n) {
std::pair<int, int> d[n];
for (int x = 0; x < n; x++)
d[x].first = gs[x], d[x].second = x;
std::sort(d, d + n);
int l = 0, m = n + 1;
for (uint x = 0; x < n; x++) {
rs[l++] = d[x].second + 1;
m++;
while ((m - 1) != d[x].first)
rs[l++] = (m++) - 1;
}
return l;
}
int a[n];
x = (x + (n - gs[x] + 1)) % n;
for (uint i = 0; i < n; i++)
a[i] = gs[(x + i) % n];
std::pair<uint, uint> d[n];
for (uint x = 0; x < n; x++)
d[x].first = a[x], d[x].second = x;
std::sort(d, d + n);
uint l = 0, v = n + 1;
for (uint x = 0; x < n; x++) {
if (d[x].first <= n) continue;
rs[l++] = d[x].second + 1;
v++;
while ((v - 1) != d[x].first)
rs[l++] = (v++) - 1;
}
return l;
}
//----------------------
int countReplacement(int n, int inputSeq[])
{
return -3;
}
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