oj.uz

답안 #1092482

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1092482 2024-09-24T08:02:48 Z jonghak9028 역사적 조사 (JOI14_historical) C++17
40 / 100
 4000 ms 13772 KB 
/* ************************************************************************** */
/*                                                                            */
/*                                                      :::    :::    :::     */
/*   Problem Number: 17731                             :+:    :+:      :+:    */
/*                                                    +:+    +:+        +:+   */
/*   By: js9028 <boj.kr/u/js9028>                    +#+    +#+          +#+  */
/*                                                  +#+      +#+        +#+   */
/*   https://boj.kr/17731                          #+#        #+#      #+#    */
/*   Solved: 2024/09/24 14:38:32 by js9028        ###          ###   ##.kr    */
/*                                                                            */
/* ************************************************************************** */
#include <bits/stdc++.h>
using namespace std;
#define fastio (ios_base::sync_with_stdio(false), cin.tie(NULL), cout.tie(NULL))
typedef long long ll;
typedef long double lld;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;
const int MAXSIZE = 2000000;
const long long INF = 1e18 + 5;
const double EPSILON = 1e-14;
const ll DIV = 2000003;
const long double pi = 3.14159265358979323846264338327950288419716939937510L;

int n, q;
int sq;
int idx[100055];
ll arr[100055];
vector<ll> num;
vector<array<int, 3>> query;
ll ans[100055];

int cnt[100055];

map<int, int> mp;

void ADD(int i)
{
    i = idx[i];
    if (mp.find(i) == mp.end())
        mp[i] = cnt[i];
    cnt[i]++;
}

void SUB(int i)
{
    i = idx[i];
    if (mp.find(i) == mp.end())
        mp[i] = cnt[i];
    cnt[i]--;
}
set<pair<ll, int>> st;

void solve()
{

    int s = 1, e = 0;
    for (auto [l, r, q] : query)
    {
        mp.clear();

        while (e < r)
            e++, ADD(e);
        while (s > l)
            s--, ADD(s);
        while (s < l)
            SUB(s), s++;
        while (e > r)
            SUB(e), e--;
        for (auto &p : mp)
        {
            if (p.second == cnt[p.first])
                continue;
            else
            {
                st.erase({num[p.first] * p.second, p.first});
                st.insert({num[p.first] * cnt[p.first], p.first});
            }
        }
        ans[q] = (--st.end())->first;
    }
}

int main()
{
    fastio;
    cin >> n >> q;
    for (int i = 1; i <= n; i++)
    {
        cin >> arr[i];
        num.push_back(arr[i]);
    }
    for (int i = 0; i < q; i++)
    {
        int l, r;
        cin >> l >> r;
        query.push_back({l, r, i});
    }
    sort(num.begin(), num.end());
    for(int i = 1;i <=n;i++){
        idx[i] = lower_bound(num.begin(), num.end(), arr[i]) - num.begin();
    }
    sq = sqrt(n);

    sort(query.begin(), query.end(), [](auto &a, auto &b)
         {
             int sa = a[0] / sq, sb = b[0] / sq;
             if(sa == sb) return a[1] < b[1];
             return sa < sb; });

    solve();
    for (int i = 0; i < q; i++)
    {
        cout << ans[i] << "\n";
    }
    return 0;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2524 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2392 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2524 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2392 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 2 ms 2396 KB Output is correct
18 Correct 5 ms 2396 KB Output is correct
19 Correct 13 ms 2396 KB Output is correct
20 Correct 35 ms 2648 KB Output is correct
21 Correct 53 ms 2652 KB Output is correct
22 Correct 69 ms 2652 KB Output is correct
23 Correct 30 ms 2652 KB Output is correct
24 Correct 34 ms 2812 KB Output is correct
25 Correct 116 ms 2880 KB Output is correct
26 Correct 114 ms 2900 KB Output is correct
27 Correct 109 ms 2896 KB Output is correct
28 Correct 107 ms 2868 KB Output is correct
29 Correct 97 ms 2648 KB Output is correct
30 Correct 102 ms 2840 KB Output is correct
31 Correct 36 ms 2896 KB Output is correct
32 Correct 7 ms 2904 KB Output is correct
33 Correct 100 ms 2852 KB Output is correct
34 Correct 118 ms 2920 KB Output is correct
35 Correct 129 ms 2976 KB Output is correct

Subtask #3
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 2 ms 2396 KB Output is correct
6 Correct 2 ms 2396 KB Output is correct
7 Correct 5 ms 2616 KB Output is correct
8 Correct 8 ms 2908 KB Output is correct
9 Correct 21 ms 3580 KB Output is correct
10 Correct 6 ms 3296 KB Output is correct
11 Correct 58 ms 7372 KB Output is correct
12 Correct 28 ms 4312 KB Output is correct
13 Correct 89 ms 5316 KB Output is correct
14 Correct 109 ms 8648 KB Output is correct
15 Correct 103 ms 11200 KB Output is correct
16 Correct 110 ms 12488 KB Output is correct
17 Correct 30 ms 4916 KB Output is correct
18 Correct 51 ms 7616 KB Output is correct
19 Correct 80 ms 13440 KB Output is correct
20 Correct 59 ms 13772 KB Output is correct

Subtask #4
0 / 60.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2524 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2392 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 2 ms 2396 KB Output is correct
18 Correct 5 ms 2396 KB Output is correct
19 Correct 13 ms 2396 KB Output is correct
20 Correct 35 ms 2648 KB Output is correct
21 Correct 53 ms 2652 KB Output is correct
22 Correct 69 ms 2652 KB Output is correct
23 Correct 30 ms 2652 KB Output is correct
24 Correct 34 ms 2812 KB Output is correct
25 Correct 116 ms 2880 KB Output is correct
26 Correct 114 ms 2900 KB Output is correct
27 Correct 109 ms 2896 KB Output is correct
28 Correct 107 ms 2868 KB Output is correct
29 Correct 97 ms 2648 KB Output is correct
30 Correct 102 ms 2840 KB Output is correct
31 Correct 36 ms 2896 KB Output is correct
32 Correct 7 ms 2904 KB Output is correct
33 Correct 100 ms 2852 KB Output is correct
34 Correct 118 ms 2920 KB Output is correct
35 Correct 129 ms 2976 KB Output is correct
36 Correct 1 ms 2396 KB Output is correct
37 Correct 1 ms 2396 KB Output is correct
38 Correct 0 ms 2396 KB Output is correct
39 Correct 1 ms 2396 KB Output is correct
40 Correct 2 ms 2396 KB Output is correct
41 Correct 2 ms 2396 KB Output is correct
42 Correct 5 ms 2616 KB Output is correct
43 Correct 8 ms 2908 KB Output is correct
44 Correct 21 ms 3580 KB Output is correct
45 Correct 6 ms 3296 KB Output is correct
46 Correct 58 ms 7372 KB Output is correct
47 Correct 28 ms 4312 KB Output is correct
48 Correct 89 ms 5316 KB Output is correct
49 Correct 109 ms 8648 KB Output is correct
50 Correct 103 ms 11200 KB Output is correct
51 Correct 110 ms 12488 KB Output is correct
52 Correct 30 ms 4916 KB Output is correct
53 Correct 51 ms 7616 KB Output is correct
54 Correct 80 ms 13440 KB Output is correct
55 Correct 59 ms 13772 KB Output is correct
56 Correct 105 ms 3152 KB Output is correct
57 Correct 636 ms 3484 KB Output is correct
58 Correct 1867 ms 4548 KB Output is correct
59 Correct 3723 ms 5712 KB Output is correct
60 Execution timed out 4025 ms 6216 KB Time limit exceeded
61 Halted 0 ms 0 KB -