QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#691101 | #6433. Klee in Solitary Confinement | LightFeather | WA | 7ms | 5956kb | C++20 | 1.3kb | 2024-10-31 09:52:42 | 2024-10-31 09:52:43 |
Judging History
answer
#include<bits/stdc++.h>
#define int long long
#define endl '\n'
using namespace std;
typedef pair<int, int> PII;
typedef long long ll;
constexpr int N = 1e6 + 10;
int n, k;
int a[N];
vector<int> v[4 * N];
vector<PII> p[4 * N];
unordered_map<int, int> mp;
void solve(){
int ans = 1;
cin >> n >> k;
for(int i = 1; i <= n; i ++){
cin >> a[i];
a[i] += N;
mp[a[i]] ++;
}
for(auto it : mp)
ans = max(ans, it.second);
for(int i = 1; i <= n; i ++){
v[a[i]].push_back(-1);
v[a[i] + k].push_back(1);
}
for(int i = 1; i <= n; i ++){
int j = a[i] + k;
int tot = v[j].size();
if(v[j].empty())
continue;
ans = max(ans, mp[j] + v[j][0]);
vector<int> sum(tot + 1);
vector<int> summin(tot + 1);
sum[1] = v[j][0];
summin[1] = min(sum[0], sum[1]);
for(int k = 2; k <= tot; k ++){
sum[k] = sum[k - 1] + v[j][k - 1];
summin[k] = min(summin[k - 1], sum[k]);
ans = max(ans, sum[k] - summin[k - 1] + mp[j]);
}
}
cout << ans << endl;
}
signed main(){
ios::sync_with_stdio(false);
cin.tie(nullptr);
int t = 1;
// cin >> t;
while(t --)
solve();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 7ms
memory: 5548kb
input:
5 2 2 2 4 4 4
output:
5
result:
ok 1 number(s): "5"
Test #2:
score: 0
Accepted
time: 7ms
memory: 5644kb
input:
7 1 3 2 3 2 2 2 3
output:
6
result:
ok 1 number(s): "6"
Test #3:
score: 0
Accepted
time: 7ms
memory: 5604kb
input:
7 1 2 3 2 3 2 3 3
output:
5
result:
ok 1 number(s): "5"
Test #4:
score: 0
Accepted
time: 7ms
memory: 5896kb
input:
9 -100 -1 -2 1 2 -1 -2 1 -2 1
output:
3
result:
ok 1 number(s): "3"
Test #5:
score: 0
Accepted
time: 7ms
memory: 5892kb
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:
37
result:
ok 1 number(s): "37"
Test #6:
score: 0
Accepted
time: 7ms
memory: 5956kb
input:
200 -454379 -385892 454379 -1000000 373644 -665078 -1000000 -1000000 454379 0 1000000 373644 -1000000 1000000 -385892 -1000000 373644 0 -665078 0 -665078 -1000000 -665078 -385892 -665078 -385892 454379 -665078 -385892 -1000000 454379 1000000 -385892 373644 454379 -1000000 -385892 -1000000 -385892 -1...
output:
40
result:
ok 1 number(s): "40"
Test #7:
score: -100
Wrong Answer
time: 7ms
memory: 5876kb
input:
200 0 451272 -1000000 677452 677452 0 18908 451272 677452 -233144 677452 451272 18908 -1000000 18908 -1000000 0 451272 0 -233144 677452 1000000 451272 1000000 18908 -1000000 0 -233144 451272 1000000 18908 677452 0 677452 0 677452 1000000 -233144 18908 451272 -1000000 -233144 18908 1000000 0 0 -23314...
output:
36
result:
wrong answer 1st numbers differ - expected: '35', found: '36'