QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#559148 | #8835. Goodman | AChievedreaM# | WA | 0ms | 7784kb | C++17 | 1.2kb | 2024-09-11 20:30:41 | 2024-09-11 20:30:43 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
using ll=long long;
using db=double;
const ll N=1e6+5;
typedef pair<ll,ll>PLL;
#define fi first
#define se second
ll a[N],ans[N],vis[N];
int main()
{
ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
ll t,n;
t=1;
cin>>t;
while(t--)
{
cin>>n;
ll cnt=0;
for(ll i=1;i<=n;i++)
{
vis[i]=0;
cin>>a[i];
}
ll l=1,r=n;
while(l<=r)
{
if(l==r)
{
if(!vis[l])
ans[++cnt]=a[l],vis[l]=1;
l++,r--;
}
else
{
while(vis[r])
r--;
while(vis[l])
l++;
if(l>r)break;
else if(l==r)
{
if(!vis[l])
ans[++cnt]=a[l],vis[l]=1;
l++,r--;
}
else
{
ll f=0;
if(a[l]==l)
{
f=1;
ans[++cnt]=a[l],vis[l]=1;
}
if(a[r]==r)
{
f=1;
ans[++cnt]=a[r],vis[r]=1;
}
if(f==0)
{
if(a[l]>a[r])
{
ans[++cnt]=a[r],vis[r]=1;
ans[++cnt]=a[l],vis[l]=1;
}
else
{
ans[++cnt]=a[l],vis[l]=1;
ans[++cnt]=a[r],vis[r]=1;
}
l++,r--;
}
}
}
}
cout<<ans[1];
for(ll i=2;i<=cnt;i++)
cout<<' '<<ans[i];
cout<<'\n';
}
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 7784kb
input:
2 4 1 2 3 4 6 6 5 4 3 2 1
output:
1 4 2 3 1 6 2 5 3 4
result:
ok Correct (2 test cases)
Test #2:
score: -100
Wrong Answer
time: 0ms
memory: 7732kb
input:
873 6 1 5 2 4 6 3 6 5 1 6 4 3 2 4 1 4 3 2 6 2 1 6 5 4 3 6 4 5 1 3 6 2 6 6 2 1 5 4 3 5 1 5 4 3 2 6 1 2 6 3 5 4 4 2 1 3 4 6 1 6 4 2 3 5 6 6 1 3 5 2 4 6 2 1 4 5 3 6 6 3 4 1 5 2 6 6 4 1 5 2 6 3 6 5 2 1 4 6 3 6 4 1 6 2 3 5 6 5 1 3 4 6 2 6 6 2 5 4 1 3 6 6 2 5 1 4 3 6 5 2 3 6 4 1 6 6 1 2 5 4 3 6 2 3 4 6 1 ...
output:
1 3 5 2 6 4 2 5 1 3 4 6 1 2 4 3 2 3 1 4 5 6 2 4 5 6 1 3 3 6 2 1 4 5 1 2 5 3 4 1 2 4 6 5 3 4 3 1 2 1 5 6 3 4 2 4 6 1 2 3 5 6 2 3 1 5 4 6 2 3 4 5 1 3 4 1 6 2 5 3 5 2 1 6 4 4 5 1 3 2 6 2 5 1 6 3 4 3 6 2 1 5 4 3 6 2 4 5 1 1 5 2 3 4 6 3 6 1 4 2 5 2 5 1 3 4 6 3 5 1 6 4 2 4 5 2 3 6 1 6 1 4 2 3 5 3 5 2 1 4 ...
result:
wrong answer Jury found better answer than participant (test case 1)