This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
#include "gondola.h"
using namespace std;
const int MN = 250001;
bool seen[MN];
int valid(int n, int inputSeq[]) {
for (int i=0; i<n; ++i) {
if (inputSeq[i] <= n) {
int val = inputSeq[i];
int idx = (n + i - val + 1) % n;
rotate(inputSeq, inputSeq+idx, inputSeq+n);
break;
}
}
for (int i=0; i<n; ++i) { cerr << inputSeq[i] << ' '; } cerr << endl;
for (int i=0; i<n; ++i) {
if (inputSeq[i] != i+1 && inputSeq[i] <= n) {
return 0;
}
if (seen[inputSeq[i]]) {
return 0;
}
seen[inputSeq[i]] = true;
}
return 1;
}
//----------------------
int replacement(int n, int gondolaSeq[], int replacementSeq[]) {
return -2;
}
//----------------------
int countReplacement(int n, int inputSeq[]) {
return -3;
}
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