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>
using namespace std;
#include "gondola.h"
//#include "grader.cpp"
#define X first
#define Y second
#define pb push_back
#define ll long long
int a[100005];
int valid(int n, int inputSeq[])
{
set<int> s;
int type=1,pos[100005];
for(int i=0;i<n;i++)
{
a[i+1]=inputSeq[i];
}
for(int i=1;i<=n;i++)
{
if(a[i]<=n)pos[a[i]]=i;
s.insert(a[i]);
}
if(s.size()<n)type=0;
for(int i=1;i<n;i++)
{
if((!(pos[i]==n&&pos[i+1]==1)&&!(pos[i]+1==pos[i+1]))&&(pos[i]>=1&&pos[i]<=n)&&(pos[i+1]>=1&&pos[i+1]<=n))
{
type=0;
}
}
if((!(pos[n]==n&&pos[1]==1)&&!(pos[n]+1==pos[1]))&&(pos[n]>=1&&pos[1]<=n)&&(pos[n]>=1&&pos[1]<=n))type=0;
return type;
}
//----------------------
int replacement(int n, int gondolaSeq[], int peteza[])
{
for(int i=0;i<n;i++)
{
a[i+1]=gondolaSeq[i];
}
int mx=0,origin[100005];
for(int i=1;i<=n;i++)mx=max(mx,a[i]),origin[i]=i;
for(int i=1;i<=n;i++)
{
if(a[i]<=n)
{
for(int j=i;j<i+n;j++)
{
if(j<=n)
{
if(a[i]+j-i<=n)
{
origin[j]=a[i]+j-i;
}else
{
origin[j]=a[i]+j-i-n;
}
}else
{
if(a[i]+j-i<=n)
{
origin[j-n]=a[i]+j-i;
}else
{
origin[j-n]=a[i]+j-i-n;
}
}
}
break;
}
}
int it=-1;
vector<pair<int,int> > v;
v.pb({-1e9,-1e9});
for(int i=1;i<=n;i++)v.pb({a[i],origin[i]});
sort(v.begin(),v.end());
for(int i=1;i<=n;i++)
{
if(v[i].X>n)
{
++it;
peteza[it]=v[i].Y;
if(v[i-1].X>n)
{
for(int j=v[i-1].X+1;j<v[i].X;j++)
{
++it;
peteza[it]=j;
}
}else
{
for(int j=n+1;j<v[i].X;j++)
{
++it;
peteza[it]=j;
}
}
}
}
return mx-n;
}
//----------------------
ll MOD=1e9+9;
ll power(ll base,ll num)
{
ll powerx[35];
powerx[0]=base;
for(int i=1;i<=30;i++)
{
powerx[i]=powerx[i-1]*powerx[i-1];
powerx[i]%=MOD;
}
vector<ll> vec;
while(1)
{
if(num<=1)
{
vec.pb(num);
break;
}
vec.pb(num%2);
num/=2;
}
ll super=1;
for(int i=0;i<vec.size();i++)
{
if(vec[i]==1)
{
super*=powerx[i];
super%=MOD;
}
}
return super;
}
int countReplacement(int n, int inputSeq[])
{
int num=valid(n,inputSeq);
if(num==0)return 0;
for(int i=0;i<n;i++)
{
a[i+1]=inputSeq[i];
}
ll ans=1,cnt=0;
vector<ll> v;
v.pb(-1e9);
for(int i=1;i<=n;i++)
{
if(a[i]>n)
{
v.pb(a[i]);
++cnt;
}
}
sort(v.begin(),v.end());
if(v.size()>=2)
{
for(int i=1;i<v.size();i++)
{
ll kuay;
if(i==1)
{
kuay=v[i]-n-1;
}else
{
kuay=v[i]-v[i-1]-1;
}
//printf("%lld %lld\n",cnt,kuay);
ans*=power(cnt,kuay);
ans%=MOD;
--cnt;
}
//printf("\n");
}
// if(v.size()==n+1)
// {
// for(int i=1;i<=n;i++)
// {
// ans*=i;
// ans%=MOD;
// }
// }
return ans;
}
컴파일 시 표준 에러 (stderr) 메시지
gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:23:16: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
23 | if(s.size()<n)type=0;
| ~~~~~~~~^~
gondola.cpp: In function 'long long int power(long long int, long long int)':
gondola.cpp:127:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
127 | for(int i=0;i<vec.size();i++)
| ~^~~~~~~~~~~
gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:159:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
159 | for(int i=1;i<v.size();i++)
| ~^~~~~~~~~
gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:31:27: warning: 'pos[1]' may be used uninitialized in this function [-Wmaybe-uninitialized]
31 | if((!(pos[n]==n&&pos[1]==1)&&!(pos[n]+1==pos[1]))&&(pos[n]>=1&&pos[1]<=n)&&(pos[n]>=1&&pos[1]<=n))type=0;
| ~~~~~^
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