이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include "gondola.h"
const int maxn = 3e5+5;
bool vis[maxn];
int valid(int n, int inputSeq[])
{
int dist = -1;
for(int i = 0; i < n; i++)inputSeq[i]--;
for(int i = 0; i < n; i++){
if(vis[inputSeq[i]])return 0;
vis[inputSeq[i]] = 1;
if(inputSeq[i] < n){
int d = (i + n - inputSeq[i])%n;
if(dist == -1)dist = d;
else if(dist != d)return 0;
}
}
return 1;
}
//----------------------
int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
return -2;
}
//----------------------
int countReplacement(int n, int inputSeq[])
{
return -3;
}
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