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;
#define ff first
#define ss second
#define all(x) (x).begin(), (x).end()
#define pb push_back
typedef int64_t lld;
typedef pair<int, int> pii;
typedef long double ld;
int valid(int n, int inputSeq[]) {
set<int> uses, xs;
for(int i = 0; i < n; i++)xs.insert(inputSeq[i]);
if(xs.size() != n)return 0;
if(*xs.begin() > n)return 1;
rotate(inputSeq, find(inputSeq, inputSeq+n, *xs.begin()), inputSeq+n);
assert(*xs.begin() == inputSeq[0]);
if(*xs.begin() != 1) rotate(inputSeq, inputSeq+(n-*xs.begin()+1), inputSeq+n);
for(int i = 0; i < n; i++)
if(inputSeq[i] == i+1) continue;
else if(inputSeq[i] <= n)return 0; else if(uses.count(inputSeq[i])) return 0; else uses.insert(inputSeq[i]);
return 1;
}
//----------------------
int replacement(int n, int gondolaSeq[], int replacementSeq[]) {
map<int, int> mp;
for(int i = 0; i < n; i++)if(gondolaSeq[i] > n)mp[gondolaSeq[i]] = i;
int cur = 0;
for(auto i: mp){
int l = i.ss;
while(cur <= i.ff)
replacementSeq[cur] = l, l = cur++;
}
return cur;
}
//----------------------
int countReplacement(int n, int inputSeq[])
{
return -3;
}
컴파일 시 표준 에러 (stderr) 메시지
gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:15:16: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
15 | if(xs.size() != n)return 0;
| ~~~~~~~~~~^~~~
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