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 "gondola.h"
#include <bits/stdc++.h>
using namespace std;
#define rep(i,a,b) for (int i = (a); i <= (b); i++)
#define debug(a) cerr << #a << " = " << a << endl
int visitados[250002];
int valid(int n, int inputSeq[])
{
int pos, val, a, dif;
bool res;
pos = -1;
val = -1;
rep(i,0,n-1) {
if (inputSeq[i] <= n) {
pos = i;
val = inputSeq[i];
break;
}
}
if (pos == -1) return 1;
dif = pos - val;
debug(dif);
res = true;
rep(i,0,n-1) {
if (inputSeq[i] <= n) {
a = inputSeq[i] + dif;
a += n;
a %= n;
if (a != i) res = false;
}
}
if (res) return 1;
else return 0;
}
//----------------------
int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
int MAX,res,cont;
rep(i,0,n-1) visitados[i] = 0;
MAX = 0;
rep(i,0,n-1){
visitados[gondolaSeq[i]] = 1;
MAX = max(MAX, gondolaSeq[i]);
}
res = MAX - n;
cont = 0;
rep (i,1,MAX-1) {
if (visitados[i] == 0) {
replacementSeq[cont] = i;
cont++;
}
}
return res;
}
//----------------------
int countReplacement(int n, int inputSeq[])
{
return -3;
}
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