이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <bits/stdc++.h>
#include <gondola.h>
using namespace std;
int valid(int n, int a[]){
map<int, bool> m;
for(int i = 0; i < n; ++i){
if(m[a[i]]){
return 0;
}
m[a[i]] = 1;
}
int mn = -1;
for(int i = 0; i < n; ++i){
if(a[i] <= n){
mn = mn == -1 ? i : (a[mn] < a[i] ? mn : i);
}
}
if(mn == -1) return 1;
int s = a[mn];
bool ok = 1;
for(int i = mn; i != mn || ok; (i += 1) %= n, s++){
if(s == n + 1) s = 1;
ok = 0;
if(a[i] <= n && a[i] != s){
return 0;
}
}
return 1;
}
int replacement(int n, int a[], int r[]){
int l = 0, mn = -1;
for(int i = 0; i < n; ++i){
if(a[i] <= n){
mn = mn == -1 ? i : (a[mn] < a[i] ? mn : i);
}
}
if(mn == -1) return 1;
int s = a[mn];
bool ok = 1;
set<pair<int, int>> S;
for(int i = mn; i != mn || ok; (i += 1) %= n, s++){
if(s == n + 1) s = 1;
ok = 0;
if(a[i] > n){
S.insert({a[i], i});
}
}
for(int i = n + 1; !S.empty(); ++i){
auto v = *S.begin();
S.erase(S.begin());
while(i < v.first){
r[l] = a[v.second];
a[v.second] = i;
l++;
i++;
}
}
return l;
}
int countReplacement(int n, int inputSeq[]){
return -1;
}
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