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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#637895 | #6433. Klee in Solitary Confinement | yld | WA | 71ms | 97092kb | C++20 | 1.2kb | 2024-10-13 14:20:10 | 2024-10-13 14:20:11 |
Judging History
answer
#include<bits/stdc++.h>
#define int long long
#define endl '\n'
using namespace std;
void solve()
{
int n,k;
int ans=0;
cin>>n>>k;
vector<int> a(n+1);
vector<vector<int>> num(4000001);
map<int,int> cnt;
for(int i=1;i<=n;i++)
{
cin>>a[i];
cnt[a[i]]++;
ans=max(ans,cnt[a[i]]);
a[i]+=2e6;
num[a[i]].push_back(-1);
if(k!=0)num[a[i]+k].push_back(1);
}
for(int i=0;i<=4e6;i++)
{
int l=-1,r=0;
int len=num[i].size();
vector<int> sum(len+1);
for(int j=0;j<len;j++)
{
if(j==0) sum[j]=(num[i][j]==-1);
else sum[j]+=sum[j-1]+(num[i][j]==-1);
}
int add=0;
for(;r<num[i].size();r++)
{
add+=num[i][r];
while(l<r && (add<=0 || num[i][l+1]==-1))
{
l++;
add-=num[i][l];
}
if(l!=-1) ans=max(ans,add+sum[l]+sum[len-1]-sum[r]);
else ans=max(ans,add+sum[len-1]-sum[r]);
}
}
cout<<ans<<endl;
}
signed main()
{
cin.tie(0)->sync_with_stdio(0);
int t=1;
while(t--) solve();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 59ms
memory: 96892kb
input:
5 2 2 2 4 4 4
output:
5
result:
ok 1 number(s): "5"
Test #2:
score: 0
Accepted
time: 71ms
memory: 96956kb
input:
7 1 3 2 3 2 2 2 3
output:
6
result:
ok 1 number(s): "6"
Test #3:
score: 0
Accepted
time: 62ms
memory: 96864kb
input:
7 1 2 3 2 3 2 3 3
output:
5
result:
ok 1 number(s): "5"
Test #4:
score: 0
Accepted
time: 68ms
memory: 96972kb
input:
9 -100 -1 -2 1 2 -1 -2 1 -2 1
output:
3
result:
ok 1 number(s): "3"
Test #5:
score: -100
Wrong Answer
time: 59ms
memory: 97092kb
input:
200 121649 0 527189 -1000000 -306471 -998939 527189 -1000000 -1000000 0 527189 0 527189 0 527189 -306471 -998939 -306471 -306471 -306471 0 0 527189 527189 1000000 527189 -1000000 1000000 648838 -1000000 -998939 -998939 -998939 0 1000000 -1000000 -998939 527189 1000000 648838 -1000000 1000000 648838 ...
output:
36
result:
wrong answer 1st numbers differ - expected: '37', found: '36'