/* ************************************************************************** */
/* */
/* ::: ::: ::: */
/* 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;
ll arr[100055];
vector<ll> num;
vector<array<int, 3>> query;
ll ans[100055];
ll mx;
int idx;
int cnt[100055];
map<int, int> mp;
void ADD(int i)
{
i = lower_bound(num.begin(), num.end(), arr[i]) - num.begin();
if (mp.find(i) == mp.end())
mp[i] = cnt[i];
cnt[i]++;
}
void SUB(int i)
{
i = lower_bound(num.begin(), num.end(), arr[i]) - num.begin();
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());
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;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
420 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
420 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
2 ms |
348 KB |
Output is correct |
18 |
Correct |
6 ms |
348 KB |
Output is correct |
19 |
Correct |
18 ms |
564 KB |
Output is correct |
20 |
Correct |
43 ms |
604 KB |
Output is correct |
21 |
Correct |
68 ms |
604 KB |
Output is correct |
22 |
Correct |
85 ms |
600 KB |
Output is correct |
23 |
Correct |
42 ms |
604 KB |
Output is correct |
24 |
Correct |
45 ms |
780 KB |
Output is correct |
25 |
Correct |
150 ms |
788 KB |
Output is correct |
26 |
Correct |
144 ms |
848 KB |
Output is correct |
27 |
Correct |
137 ms |
848 KB |
Output is correct |
28 |
Correct |
134 ms |
604 KB |
Output is correct |
29 |
Correct |
123 ms |
604 KB |
Output is correct |
30 |
Correct |
149 ms |
604 KB |
Output is correct |
31 |
Correct |
47 ms |
604 KB |
Output is correct |
32 |
Correct |
12 ms |
780 KB |
Output is correct |
33 |
Correct |
126 ms |
780 KB |
Output is correct |
34 |
Correct |
149 ms |
856 KB |
Output is correct |
35 |
Correct |
157 ms |
892 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
2 ms |
348 KB |
Output is correct |
6 |
Correct |
2 ms |
348 KB |
Output is correct |
7 |
Correct |
5 ms |
604 KB |
Output is correct |
8 |
Correct |
10 ms |
948 KB |
Output is correct |
9 |
Correct |
27 ms |
1248 KB |
Output is correct |
10 |
Correct |
6 ms |
1248 KB |
Output is correct |
11 |
Correct |
57 ms |
4932 KB |
Output is correct |
12 |
Correct |
31 ms |
2520 KB |
Output is correct |
13 |
Correct |
109 ms |
3212 KB |
Output is correct |
14 |
Correct |
130 ms |
6352 KB |
Output is correct |
15 |
Correct |
121 ms |
8900 KB |
Output is correct |
16 |
Correct |
126 ms |
9932 KB |
Output is correct |
17 |
Correct |
36 ms |
3544 KB |
Output is correct |
18 |
Correct |
56 ms |
5244 KB |
Output is correct |
19 |
Correct |
88 ms |
10936 KB |
Output is correct |
20 |
Correct |
68 ms |
11740 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
420 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
2 ms |
348 KB |
Output is correct |
18 |
Correct |
6 ms |
348 KB |
Output is correct |
19 |
Correct |
18 ms |
564 KB |
Output is correct |
20 |
Correct |
43 ms |
604 KB |
Output is correct |
21 |
Correct |
68 ms |
604 KB |
Output is correct |
22 |
Correct |
85 ms |
600 KB |
Output is correct |
23 |
Correct |
42 ms |
604 KB |
Output is correct |
24 |
Correct |
45 ms |
780 KB |
Output is correct |
25 |
Correct |
150 ms |
788 KB |
Output is correct |
26 |
Correct |
144 ms |
848 KB |
Output is correct |
27 |
Correct |
137 ms |
848 KB |
Output is correct |
28 |
Correct |
134 ms |
604 KB |
Output is correct |
29 |
Correct |
123 ms |
604 KB |
Output is correct |
30 |
Correct |
149 ms |
604 KB |
Output is correct |
31 |
Correct |
47 ms |
604 KB |
Output is correct |
32 |
Correct |
12 ms |
780 KB |
Output is correct |
33 |
Correct |
126 ms |
780 KB |
Output is correct |
34 |
Correct |
149 ms |
856 KB |
Output is correct |
35 |
Correct |
157 ms |
892 KB |
Output is correct |
36 |
Correct |
0 ms |
348 KB |
Output is correct |
37 |
Correct |
0 ms |
348 KB |
Output is correct |
38 |
Correct |
0 ms |
348 KB |
Output is correct |
39 |
Correct |
1 ms |
348 KB |
Output is correct |
40 |
Correct |
2 ms |
348 KB |
Output is correct |
41 |
Correct |
2 ms |
348 KB |
Output is correct |
42 |
Correct |
5 ms |
604 KB |
Output is correct |
43 |
Correct |
10 ms |
948 KB |
Output is correct |
44 |
Correct |
27 ms |
1248 KB |
Output is correct |
45 |
Correct |
6 ms |
1248 KB |
Output is correct |
46 |
Correct |
57 ms |
4932 KB |
Output is correct |
47 |
Correct |
31 ms |
2520 KB |
Output is correct |
48 |
Correct |
109 ms |
3212 KB |
Output is correct |
49 |
Correct |
130 ms |
6352 KB |
Output is correct |
50 |
Correct |
121 ms |
8900 KB |
Output is correct |
51 |
Correct |
126 ms |
9932 KB |
Output is correct |
52 |
Correct |
36 ms |
3544 KB |
Output is correct |
53 |
Correct |
56 ms |
5244 KB |
Output is correct |
54 |
Correct |
88 ms |
10936 KB |
Output is correct |
55 |
Correct |
68 ms |
11740 KB |
Output is correct |
56 |
Correct |
136 ms |
1112 KB |
Output is correct |
57 |
Correct |
898 ms |
1488 KB |
Output is correct |
58 |
Correct |
2576 ms |
2968 KB |
Output is correct |
59 |
Execution timed out |
4069 ms |
3916 KB |
Time limit exceeded |
60 |
Halted |
0 ms |
0 KB |
- |