#include "gondola.h"
#include <bits/stdc++.h>
using namespace std;
int valid(int n, int inputSeq[]) {
map<int, int> mii;
for (int i = 0; i < n; i++)
mii[inputSeq[i]]++;
for (auto a : mii)
if (a.second >= 2)
return 0;
int in = min_element(inputSeq, inputSeq + n) - inputSeq;
if (in > n)
return 1;
int cur = inputSeq[in];
for (int i = in; i < n; i++) {
if (inputSeq[i] <= n && inputSeq[i] != cur)
return 0;
cur++;
cur %= n;
}
return 1;
}
//----------------------
int replacement(int n, int gondolaSeq[], int replacementSeq[]) {
int in = min_element(gondolaSeq, gondolaSeq + n) - gondolaSeq;
vector<int> rep(n, -1);
if (in <= n) {
int cur = gondolaSeq[in];
for (int i = in; i < n; i++) {
if (gondolaSeq[i] > n)
rep[cur] = gondolaSeq[i];
cur++;
cur %= n;
}
for (int i = 0; i < in; i++) {
if (gondolaSeq[i] > n)
rep[cur] = gondolaSeq[i];
cur++;
cur %= n;
}
} else {
for (int i = 0; i < n; i++)
rep[i] = gondolaSeq[i];
}
vector<pair<int, int>> vpii;
for (int i = 0; i < n; i++) {
if (rep[i] != -1)
vpii.emplace_back(rep[i], i);
}
sort(vpii.begin(), vpii.end());
int cur = n + 1;
int len = 0;
for (auto a : vpii) {
replacementSeq[len++] = a.second;
for (int i = cur; i < a.first; i++)
replacementSeq[len++] = i;
cur = a.first + 1;
}
return len;
}
//----------------------
int countReplacement(int n, int inputSeq[]) { return -3; }
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