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 <bits/stdc++.h>
using namespace std;
int n,x[100005];
set<int>p;
int valid(int N,int a[]){
n=N;
int b=-1,c;
for(int i=0;i<n;i++){
if(a[i]<=n){
if(b!=-1&&(b+i-c)%n+1!=a[i])return 0;
b=a[i]-1,c=i;
}else{
if(p.find(a[i])!=p.end())return 0;
p.insert(a[i]);
}
}
return 1;
}
//----------------------
int replacement(int N, int a[], int r[]){
n=N;
if(valid(n,a)==0)return 0;
int b=0,c=0;
for(int i=0;i<n;i++)if(a[i]<=n)b=a[i]-1,c=i;
for(int i=0;i<n;i++){
x[(c+i)%n]=(b+i)%n+1;
}
int d=n+1,k=0;
for(int i=0;i<n;i++){
if(a[i]>n){
while(x[i]<a[i]){
r[k++]=x[i];
x[i]=d++;
}
}
}
return k;
}
//----------------------
int countReplacement(int N, int inputSeq[])
{
return -3;
}
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