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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#691101#6433. Klee in Solitary ConfinementLightFeatherWA 7ms5956kbC++201.3kb2024-10-31 09:52:422024-10-31 09:52:43

Judging History

你现在查看的是最新测评结果

  • [2024-10-31 09:52:43]
  • 评测
  • 测评结果:WA
  • 用时:7ms
  • 内存:5956kb
  • [2024-10-31 09:52:42]
  • 提交

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'