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답안 #779984

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
779984 2023-07-12T04:48:45 Z 박영우(#10008) 역사적 조사 (JOI14_historical) C++17
100 / 100
 157 ms 14060 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("avx,avx2,fma")
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;
#define MAX 303030
#define MAXS 22
#define INF 1000000000000000001
#define bb ' '
#define ln '\n'
#define Ln '\n'
#define MOD 998244353
#define B 200
int X[MAX];
vector<int> v;
int L[MAX];
int R[MAX];
vector<int> qv[MAX];
ll ans[MAX];
int cnt[MAX];
signed main() {
	ios::sync_with_stdio(false), cin.tie(0);
	int N, Q;
	cin >> N >> Q;
	int i;
	for (i = 1; i <= N; i++) cin >> X[i], v.push_back(X[i]);
	sort(v.begin(), v.end());
	v.erase(unique(v.begin(), v.end()), v.end());
	for (i = 1; i <= N; i++) X[i] = lower_bound(v.begin(), v.end(), X[i]) - v.begin();
	int j;
	for (i = 1; i <= Q; i++) {
		cin >> L[i] >> R[i];
		if (R[i] - L[i] <= 2 * B) {
			for (j = L[i]; j <= R[i]; j++) {
				cnt[X[j]]++;
				ans[i] = max(ans[i], 1ll * v[X[j]] * cnt[X[j]]);
			}
			for (j = L[i]; j <= R[i]; j++) cnt[X[j]] = 0;
		}
		else qv[(L[i] + B - 1) / B + 1].push_back(i);
	}
	for (i = 1; i < MAX; i++) {
		if (qv[i].empty()) continue;
		sort(qv[i].begin(), qv[i].end(), [&](int i, int j) {return R[i] < R[j]; });
		int e;
		ll mx = 0;
		for (e = (i - 1) * B + 1; e <= i * B; e++) {
			cnt[X[e]]++;
			mx = max(mx, 1ll * v[X[e]] * cnt[X[e]]);
		}
		for (auto q : qv[i]) {
			for (; e <= R[q]; e++) {
				cnt[X[e]]++;
				mx = max(mx, 1ll * v[X[e]] * cnt[X[e]]);
			}
			ll mx2 = 0;
			for (j = L[q]; j <= (i - 1) * B; j++) {
				cnt[X[j]]++;
				mx2 = max(mx2, 1ll * v[X[j]] * cnt[X[j]]);
			}
			ans[q] = max(mx, mx2);
			for (j = L[q]; j <= (i - 1) * B; j++) cnt[X[j]]--;
		}
		for (j = (i - 1) * B + 1; j <= e; j++) cnt[X[j]] = 0;
	}
	for(i=1;i<=Q;i++) cout<<ans[i]<<ln;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 7380 KB Output is correct
2 Correct 4 ms 7380 KB Output is correct
3 Correct 4 ms 7380 KB Output is correct
4 Correct 4 ms 7380 KB Output is correct
5 Correct 3 ms 7380 KB Output is correct
6 Correct 4 ms 7380 KB Output is correct
7 Correct 4 ms 7464 KB Output is correct
8 Correct 3 ms 7380 KB Output is correct
9 Correct 4 ms 7380 KB Output is correct
10 Correct 4 ms 7380 KB Output is correct
11 Correct 4 ms 7380 KB Output is correct
12 Correct 3 ms 7380 KB Output is correct
13 Correct 3 ms 7380 KB Output is correct
14 Correct 4 ms 7380 KB Output is correct
15 Correct 3 ms 7380 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 7380 KB Output is correct
2 Correct 4 ms 7380 KB Output is correct
3 Correct 4 ms 7380 KB Output is correct
4 Correct 4 ms 7380 KB Output is correct
5 Correct 3 ms 7380 KB Output is correct
6 Correct 4 ms 7380 KB Output is correct
7 Correct 4 ms 7464 KB Output is correct
8 Correct 3 ms 7380 KB Output is correct
9 Correct 4 ms 7380 KB Output is correct
10 Correct 4 ms 7380 KB Output is correct
11 Correct 4 ms 7380 KB Output is correct
12 Correct 3 ms 7380 KB Output is correct
13 Correct 3 ms 7380 KB Output is correct
14 Correct 4 ms 7380 KB Output is correct
15 Correct 3 ms 7380 KB Output is correct
16 Correct 4 ms 7380 KB Output is correct
17 Correct 4 ms 7380 KB Output is correct
18 Correct 4 ms 7380 KB Output is correct
19 Correct 5 ms 7508 KB Output is correct
20 Correct 6 ms 7564 KB Output is correct
21 Correct 6 ms 7636 KB Output is correct
22 Correct 7 ms 7636 KB Output is correct
23 Correct 7 ms 7636 KB Output is correct
24 Correct 6 ms 7636 KB Output is correct
25 Correct 7 ms 7636 KB Output is correct
26 Correct 7 ms 7636 KB Output is correct
27 Correct 8 ms 7604 KB Output is correct
28 Correct 7 ms 7636 KB Output is correct
29 Correct 7 ms 7636 KB Output is correct
30 Correct 9 ms 7680 KB Output is correct
31 Correct 6 ms 7636 KB Output is correct
32 Correct 7 ms 7700 KB Output is correct
33 Correct 7 ms 7636 KB Output is correct
34 Correct 7 ms 7636 KB Output is correct
35 Correct 7 ms 7636 KB Output is correct

Subtask #3
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 7380 KB Output is correct
2 Correct 3 ms 7380 KB Output is correct
3 Correct 4 ms 7380 KB Output is correct
4 Correct 4 ms 7380 KB Output is correct
5 Correct 4 ms 7508 KB Output is correct
6 Correct 5 ms 7508 KB Output is correct
7 Correct 5 ms 7508 KB Output is correct
8 Correct 6 ms 7636 KB Output is correct
9 Correct 9 ms 7764 KB Output is correct
10 Correct 8 ms 7896 KB Output is correct
11 Correct 42 ms 10192 KB Output is correct
12 Correct 20 ms 8348 KB Output is correct
13 Correct 33 ms 8888 KB Output is correct
14 Correct 56 ms 9816 KB Output is correct
15 Correct 46 ms 11068 KB Output is correct
16 Correct 86 ms 10168 KB Output is correct
17 Correct 42 ms 9032 KB Output is correct
18 Correct 60 ms 10440 KB Output is correct
19 Correct 65 ms 11144 KB Output is correct
20 Correct 38 ms 9192 KB Output is correct

Subtask #4
60.0 / 60.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 7380 KB Output is correct
2 Correct 4 ms 7380 KB Output is correct
3 Correct 4 ms 7380 KB Output is correct
4 Correct 4 ms 7380 KB Output is correct
5 Correct 3 ms 7380 KB Output is correct
6 Correct 4 ms 7380 KB Output is correct
7 Correct 4 ms 7464 KB Output is correct
8 Correct 3 ms 7380 KB Output is correct
9 Correct 4 ms 7380 KB Output is correct
10 Correct 4 ms 7380 KB Output is correct
11 Correct 4 ms 7380 KB Output is correct
12 Correct 3 ms 7380 KB Output is correct
13 Correct 3 ms 7380 KB Output is correct
14 Correct 4 ms 7380 KB Output is correct
15 Correct 3 ms 7380 KB Output is correct
16 Correct 4 ms 7380 KB Output is correct
17 Correct 4 ms 7380 KB Output is correct
18 Correct 4 ms 7380 KB Output is correct
19 Correct 5 ms 7508 KB Output is correct
20 Correct 6 ms 7564 KB Output is correct
21 Correct 6 ms 7636 KB Output is correct
22 Correct 7 ms 7636 KB Output is correct
23 Correct 7 ms 7636 KB Output is correct
24 Correct 6 ms 7636 KB Output is correct
25 Correct 7 ms 7636 KB Output is correct
26 Correct 7 ms 7636 KB Output is correct
27 Correct 8 ms 7604 KB Output is correct
28 Correct 7 ms 7636 KB Output is correct
29 Correct 7 ms 7636 KB Output is correct
30 Correct 9 ms 7680 KB Output is correct
31 Correct 6 ms 7636 KB Output is correct
32 Correct 7 ms 7700 KB Output is correct
33 Correct 7 ms 7636 KB Output is correct
34 Correct 7 ms 7636 KB Output is correct
35 Correct 7 ms 7636 KB Output is correct
36 Correct 5 ms 7380 KB Output is correct
37 Correct 3 ms 7380 KB Output is correct
38 Correct 4 ms 7380 KB Output is correct
39 Correct 4 ms 7380 KB Output is correct
40 Correct 4 ms 7508 KB Output is correct
41 Correct 5 ms 7508 KB Output is correct
42 Correct 5 ms 7508 KB Output is correct
43 Correct 6 ms 7636 KB Output is correct
44 Correct 9 ms 7764 KB Output is correct
45 Correct 8 ms 7896 KB Output is correct
46 Correct 42 ms 10192 KB Output is correct
47 Correct 20 ms 8348 KB Output is correct
48 Correct 33 ms 8888 KB Output is correct
49 Correct 56 ms 9816 KB Output is correct
50 Correct 46 ms 11068 KB Output is correct
51 Correct 86 ms 10168 KB Output is correct
52 Correct 42 ms 9032 KB Output is correct
53 Correct 60 ms 10440 KB Output is correct
54 Correct 65 ms 11144 KB Output is correct
55 Correct 38 ms 9192 KB Output is correct
56 Correct 10 ms 7764 KB Output is correct
57 Correct 17 ms 8244 KB Output is correct
58 Correct 27 ms 8540 KB Output is correct
59 Correct 39 ms 9128 KB Output is correct
60 Correct 52 ms 9448 KB Output is correct
61 Correct 60 ms 9856 KB Output is correct
62 Correct 69 ms 11808 KB Output is correct
63 Correct 77 ms 12620 KB Output is correct
64 Correct 91 ms 13312 KB Output is correct
65 Correct 150 ms 13284 KB Output is correct
66 Correct 101 ms 13388 KB Output is correct
67 Correct 103 ms 13464 KB Output is correct
68 Correct 113 ms 13608 KB Output is correct
69 Correct 138 ms 13848 KB Output is correct
70 Correct 150 ms 13992 KB Output is correct
71 Correct 140 ms 13900 KB Output is correct
72 Correct 133 ms 13828 KB Output is correct
73 Correct 135 ms 13796 KB Output is correct
74 Correct 133 ms 13820 KB Output is correct
75 Correct 132 ms 13800 KB Output is correct
76 Correct 131 ms 13780 KB Output is correct
77 Correct 132 ms 13776 KB Output is correct
78 Correct 132 ms 13872 KB Output is correct
79 Correct 131 ms 13768 KB Output is correct
80 Correct 157 ms 14060 KB Output is correct