이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include "gondola.h"
#include <set>
int valid(int n, int inputSeq[])
{
int shift=-1;
std::set<int> used;
for(int i=0;i<n;i++){
if(used.count(inputSeq[i])) return 0;
used.insert(inputSeq[i]);
if(inputSeq[i]<=n){
int new_shift=(inputSeq[i]-i+n)%n;
if(shift!=-1&&shift!=new_shift) return 0;
shift=new_shift;
}
}
return 1;
}
//----------------------
int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
return -2;
}
//----------------------
int countReplacement(int n, int inputSeq[])
{
return -3;
}
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