제출 #519117

#제출 시각UTC-0아이디문제언어결과실행 시간메모리
5191172022-01-25 17:01:04lucriCat (info1cup19_cat)C++17
61 / 100
946 ms27276 KiB
#include <iostream>
using namespace std;
int ans1[6000010],v[3000010],r,n,ans2[6000010],ans,poz[3000010];
int main()
{
int t;
cin>>t;
++t;
while(--t)
{
int ver=0;
cin>>n;
for(int i=1;i<=n;++i)
{
cin>>v[i];
poz[v[i]]=i;
}
n/=2;
for(int i=1;i<=n;++i)
{
if(v[i]+v[2*n+1-i]!=2*n+1)
{
ver=1;
break;
}
if(v[i]>n)
++ver;
}
if(ver%2==1)
{
 
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#Verdict Execution timeMemoryGrader output
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