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답안 #814253

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
814253 2023-08-08T06:35:23 Z khshg Diversity (CEOI21_diversity) C++14
64 / 100
 7000 ms 32996 KB 
#include <algorithm>
#include <array>
#include <bitset>
#include <cassert>
#include <chrono>
#include <climits>
#include <cmath>
#include <complex>
#include <cstring>
#include <functional>
#include <iomanip>
#include <iostream>
#include <map>
#include <numeric>
#include <queue>
#include <random>
#include <set>
#include <vector>
using namespace std;
 
#define ff first
#define ss second
#define ll long long
 
const int MX = 3e5 + 5;
const int MX1 = 5e4 + 5;
const int B = 100;
 
int N, Q;
int a[MX], num[MX], l[MX], r[MX];
ll ans[MX1];
pair<pair<int, int>, pair<int, int> > q[MX1];
ll val;
 
struct T{
	ll sum, left_sum, right_sum;
	T() {
		sum = left_sum = right_sum = 0;
	}
} tree[4 * MX];
 
void show(T x) {
	cout << x.left_sum << " " << x.right_sum << " " << x.sum << "\n";
}
 
void update(int id, int l, int r, int pos, int x) {
	if(l > pos || pos > r) return;
	tree[id].sum += x;
	tree[id].left_sum += x * (pos - l + 1);
	tree[id].right_sum += x * (r - pos + 1);
	if(l == r) return;
	int mid = (l + r) / 2;
	update(id * 2 + 1, l, mid, pos, x);
	update(id * 2 + 2, mid + 1, r, pos, x);
}
 
T query(int id, int l, int r, int L, int R) {
	T res;
	if(L > r || l > R) return res;
	if(L <= l && r <= R) return tree[id];
	int mid = (l + r) / 2;
	if(L > mid) return query(id * 2 + 2, mid + 1, r, L, R);
	if(R <= mid) return query(id * 2 + 1, l, mid, L, R);
	T x = query(id * 2 + 1, l, mid, L, R), y = query(id * 2 + 2, mid + 1, r, L, R);
	res.sum = x.sum + y.sum;
	res.left_sum = x.left_sum + y.left_sum + y.sum * (mid - L + 1);
	res.right_sum = x.right_sum + y.right_sum + x.sum * (R - mid);
	return res;
}
 
int prv(int x) {
	if(x <= (N - 1) / 2) return N - x;
	else return N - x - 1;
}
 
int nxt(int x) {
	if(x <= N / 2) return N - x - 1;
	else return N - x;
}
 
void add(int x) {
	num[x]++;
	l[num[x]] = r[num[x] - 1];
	if(r[num[x]] == -1) r[num[x]] = l[num[x]];
	if(r[num[x] - 1] == l[num[x] - 1]) r[num[x] - 1] = l[num[x] - 1] = -1;
	else r[num[x] - 1] = prv(r[num[x] - 1]);
	update(0, 0, N - 1, l[num[x]], 1);
	T y, z;
	if(l[num[x]] != 0) y = query(0, 0, N - 1, 0, l[num[x]] - 1);
	if(l[num[x]] != N - 1) z = query(0, 0, N - 1, l[num[x]] + 1, N - 1);
	val += y.right_sum + y.sum + z.left_sum + z.sum;
	val += num[x];
	// show(y);
	// show(z);
	// cout << val << "\n---------\n";
}
 
void remove(int x) {
	num[x]--;
	r[num[x]] = l[num[x] + 1];
	if(l[num[x]] == -1) l[num[x]] = r[num[x]];
	if(r[num[x] + 1] == l[num[x] + 1]) r[num[x] + 1] = l[num[x] + 1] = -1;
	else l[num[x] + 1] = nxt(l[num[x] + 1]);
	update(0, 0, N - 1, r[num[x]], -1);
	T y, z;
	if(r[num[x]] != 0) y = query(0, 0, N - 1, 0, r[num[x]] - 1);
	if(r[num[x]] != N - 1) z = query(0, 0, N - 1, r[num[x]] + 1, N - 1);
	val -= y.right_sum + y.sum + z.left_sum + z.sum;
	val -= (num[x] + 1);
}
 
int main() {
	ios::sync_with_stdio(0);cin.tie(0);
	memset(l, -1, sizeof(l));
	memset(r, -1, sizeof(r));
	cin >> N >> Q;
	l[0] = 0;
	r[0] = N / 2;
	for(int i = 0; i < N; i++) cin >> a[i];
	for(int i = 0; i < Q; i++) {
		int l, r;
		cin >> l >> r;
		l--;
		r--;
		q[i] = {{l / B, r}, {l, i}};
	}
	sort(q, q + Q);
	for(int i = 0; i < Q; i++) {
		if(i == 0) {
			for(int j = 0; j <= q[i].ff.ss; j++) add(a[j]);
			for(int j = 0; j < q[i].ss.ff; j++) remove(a[j]);
			ans[q[i].ss.ss] = val;
			continue;
		}
		for(int j = q[i - 1].ff.ss + 1; j <= q[i].ff.ss; j++) add(a[j]);
		for(int j = q[i - 1].ff.ss; j > q[i].ff.ss; j--) remove(a[j]);
		for(int j = q[i - 1].ss.ff; j < q[i].ss.ff; j++) remove(a[j]);
		for(int j = q[i - 1].ss.ff - 1; j >= q[i].ss.ff; j--) add(a[j]);
		ans[q[i].ss.ss] = val;
	}
	for(int i = 0; i < Q; i++) {
		cout << ans[i] << "\n";
	}
}

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 30840 KB Output is correct
2 Correct 13 ms 30784 KB Output is correct
3 Correct 12 ms 30808 KB Output is correct
4 Correct 12 ms 30788 KB Output is correct
5 Correct 12 ms 30748 KB Output is correct
6 Correct 13 ms 30860 KB Output is correct
7 Correct 12 ms 30852 KB Output is correct
8 Correct 12 ms 30836 KB Output is correct
9 Correct 13 ms 30788 KB Output is correct
10 Correct 13 ms 30804 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 30772 KB Output is correct
2 Correct 13 ms 30804 KB Output is correct
3 Correct 15 ms 30804 KB Output is correct
4 Correct 42 ms 31188 KB Output is correct
5 Correct 81 ms 31628 KB Output is correct
6 Correct 117 ms 32016 KB Output is correct
7 Correct 110 ms 31996 KB Output is correct
8 Correct 116 ms 32012 KB Output is correct
9 Correct 109 ms 31920 KB Output is correct
10 Correct 119 ms 32012 KB Output is correct
11 Correct 111 ms 32012 KB Output is correct
12 Correct 109 ms 32016 KB Output is correct
13 Correct 119 ms 32012 KB Output is correct
14 Correct 112 ms 32012 KB Output is correct
15 Correct 113 ms 32024 KB Output is correct

Subtask #3
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 30772 KB Output is correct
2 Correct 13 ms 30804 KB Output is correct
3 Correct 15 ms 30804 KB Output is correct
4 Correct 42 ms 31188 KB Output is correct
5 Correct 81 ms 31628 KB Output is correct
6 Correct 117 ms 32016 KB Output is correct
7 Correct 110 ms 31996 KB Output is correct
8 Correct 116 ms 32012 KB Output is correct
9 Correct 109 ms 31920 KB Output is correct
10 Correct 119 ms 32012 KB Output is correct
11 Correct 111 ms 32012 KB Output is correct
12 Correct 109 ms 32016 KB Output is correct
13 Correct 119 ms 32012 KB Output is correct
14 Correct 112 ms 32012 KB Output is correct
15 Correct 113 ms 32024 KB Output is correct
16 Correct 13 ms 30804 KB Output is correct
17 Correct 14 ms 30804 KB Output is correct
18 Correct 16 ms 30792 KB Output is correct
19 Correct 43 ms 31204 KB Output is correct
20 Correct 80 ms 31628 KB Output is correct
21 Correct 112 ms 32020 KB Output is correct
22 Correct 113 ms 32000 KB Output is correct
23 Correct 112 ms 31956 KB Output is correct
24 Correct 117 ms 32016 KB Output is correct
25 Correct 113 ms 32016 KB Output is correct
26 Correct 112 ms 32016 KB Output is correct
27 Correct 113 ms 32012 KB Output is correct
28 Correct 117 ms 32020 KB Output is correct
29 Correct 130 ms 32012 KB Output is correct
30 Correct 115 ms 32016 KB Output is correct

Subtask #4
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 30772 KB Output is correct
2 Correct 13 ms 30804 KB Output is correct
3 Correct 15 ms 30804 KB Output is correct
4 Correct 42 ms 31188 KB Output is correct
5 Correct 81 ms 31628 KB Output is correct
6 Correct 117 ms 32016 KB Output is correct
7 Correct 110 ms 31996 KB Output is correct
8 Correct 116 ms 32012 KB Output is correct
9 Correct 109 ms 31920 KB Output is correct
10 Correct 119 ms 32012 KB Output is correct
11 Correct 111 ms 32012 KB Output is correct
12 Correct 109 ms 32016 KB Output is correct
13 Correct 119 ms 32012 KB Output is correct
14 Correct 112 ms 32012 KB Output is correct
15 Correct 113 ms 32024 KB Output is correct
16 Correct 13 ms 30804 KB Output is correct
17 Correct 14 ms 30804 KB Output is correct
18 Correct 16 ms 30792 KB Output is correct
19 Correct 43 ms 31204 KB Output is correct
20 Correct 80 ms 31628 KB Output is correct
21 Correct 112 ms 32020 KB Output is correct
22 Correct 113 ms 32000 KB Output is correct
23 Correct 112 ms 31956 KB Output is correct
24 Correct 117 ms 32016 KB Output is correct
25 Correct 113 ms 32016 KB Output is correct
26 Correct 112 ms 32016 KB Output is correct
27 Correct 113 ms 32012 KB Output is correct
28 Correct 117 ms 32020 KB Output is correct
29 Correct 130 ms 32012 KB Output is correct
30 Correct 115 ms 32016 KB Output is correct
31 Correct 15 ms 30804 KB Output is correct
32 Correct 14 ms 30804 KB Output is correct
33 Correct 15 ms 30860 KB Output is correct
34 Correct 19 ms 30804 KB Output is correct
35 Correct 18 ms 30896 KB Output is correct
36 Correct 16 ms 30912 KB Output is correct
37 Correct 32 ms 31204 KB Output is correct
38 Correct 31 ms 31072 KB Output is correct
39 Correct 52 ms 31188 KB Output is correct
40 Correct 94 ms 31632 KB Output is correct
41 Correct 138 ms 32016 KB Output is correct
42 Correct 137 ms 31956 KB Output is correct
43 Correct 144 ms 32020 KB Output is correct
44 Correct 140 ms 32024 KB Output is correct
45 Correct 137 ms 32020 KB Output is correct
46 Correct 137 ms 31972 KB Output is correct
47 Correct 140 ms 32020 KB Output is correct
48 Correct 138 ms 32020 KB Output is correct
49 Correct 138 ms 31956 KB Output is correct
50 Correct 169 ms 32020 KB Output is correct
51 Correct 148 ms 32016 KB Output is correct
52 Correct 138 ms 32024 KB Output is correct
53 Correct 139 ms 32020 KB Output is correct
54 Correct 138 ms 32020 KB Output is correct
55 Correct 140 ms 32020 KB Output is correct
56 Correct 155 ms 32020 KB Output is correct
57 Correct 138 ms 31956 KB Output is correct
58 Correct 137 ms 32024 KB Output is correct
59 Correct 143 ms 32020 KB Output is correct
60 Correct 139 ms 32016 KB Output is correct

Subtask #5
26.0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 30840 KB Output is correct
2 Correct 13 ms 30784 KB Output is correct
3 Correct 12 ms 30808 KB Output is correct
4 Correct 12 ms 30788 KB Output is correct
5 Correct 12 ms 30748 KB Output is correct
6 Correct 13 ms 30860 KB Output is correct
7 Correct 12 ms 30852 KB Output is correct
8 Correct 12 ms 30836 KB Output is correct
9 Correct 13 ms 30788 KB Output is correct
10 Correct 13 ms 30804 KB Output is correct
11 Correct 14 ms 30772 KB Output is correct
12 Correct 13 ms 30804 KB Output is correct
13 Correct 15 ms 30804 KB Output is correct
14 Correct 42 ms 31188 KB Output is correct
15 Correct 81 ms 31628 KB Output is correct
16 Correct 117 ms 32016 KB Output is correct
17 Correct 110 ms 31996 KB Output is correct
18 Correct 116 ms 32012 KB Output is correct
19 Correct 109 ms 31920 KB Output is correct
20 Correct 119 ms 32012 KB Output is correct
21 Correct 111 ms 32012 KB Output is correct
22 Correct 109 ms 32016 KB Output is correct
23 Correct 119 ms 32012 KB Output is correct
24 Correct 112 ms 32012 KB Output is correct
25 Correct 113 ms 32024 KB Output is correct
26 Correct 13 ms 30804 KB Output is correct
27 Correct 14 ms 30804 KB Output is correct
28 Correct 16 ms 30792 KB Output is correct
29 Correct 43 ms 31204 KB Output is correct
30 Correct 80 ms 31628 KB Output is correct
31 Correct 112 ms 32020 KB Output is correct
32 Correct 113 ms 32000 KB Output is correct
33 Correct 112 ms 31956 KB Output is correct
34 Correct 117 ms 32016 KB Output is correct
35 Correct 113 ms 32016 KB Output is correct
36 Correct 112 ms 32016 KB Output is correct
37 Correct 113 ms 32012 KB Output is correct
38 Correct 117 ms 32020 KB Output is correct
39 Correct 130 ms 32012 KB Output is correct
40 Correct 115 ms 32016 KB Output is correct
41 Correct 15 ms 30804 KB Output is correct
42 Correct 14 ms 30804 KB Output is correct
43 Correct 15 ms 30860 KB Output is correct
44 Correct 19 ms 30804 KB Output is correct
45 Correct 18 ms 30896 KB Output is correct
46 Correct 16 ms 30912 KB Output is correct
47 Correct 32 ms 31204 KB Output is correct
48 Correct 31 ms 31072 KB Output is correct
49 Correct 52 ms 31188 KB Output is correct
50 Correct 94 ms 31632 KB Output is correct
51 Correct 138 ms 32016 KB Output is correct
52 Correct 137 ms 31956 KB Output is correct
53 Correct 144 ms 32020 KB Output is correct
54 Correct 140 ms 32024 KB Output is correct
55 Correct 137 ms 32020 KB Output is correct
56 Correct 137 ms 31972 KB Output is correct
57 Correct 140 ms 32020 KB Output is correct
58 Correct 138 ms 32020 KB Output is correct
59 Correct 138 ms 31956 KB Output is correct
60 Correct 169 ms 32020 KB Output is correct
61 Correct 148 ms 32016 KB Output is correct
62 Correct 138 ms 32024 KB Output is correct
63 Correct 139 ms 32020 KB Output is correct
64 Correct 138 ms 32020 KB Output is correct
65 Correct 140 ms 32020 KB Output is correct
66 Correct 155 ms 32020 KB Output is correct
67 Correct 138 ms 31956 KB Output is correct
68 Correct 137 ms 32024 KB Output is correct
69 Correct 143 ms 32020 KB Output is correct
70 Correct 139 ms 32016 KB Output is correct
71 Correct 34 ms 31072 KB Output is correct
72 Correct 32 ms 30976 KB Output is correct
73 Correct 32 ms 31068 KB Output is correct
74 Correct 36 ms 30996 KB Output is correct
75 Correct 33 ms 31060 KB Output is correct
76 Correct 55 ms 31264 KB Output is correct
77 Correct 54 ms 31188 KB Output is correct
78 Correct 64 ms 31252 KB Output is correct
79 Correct 54 ms 31260 KB Output is correct
80 Correct 53 ms 31212 KB Output is correct
81 Correct 144 ms 31664 KB Output is correct
82 Correct 103 ms 31668 KB Output is correct
83 Correct 99 ms 31664 KB Output is correct
84 Correct 99 ms 31572 KB Output is correct
85 Correct 99 ms 31672 KB Output is correct
86 Correct 118 ms 31708 KB Output is correct
87 Correct 103 ms 31712 KB Output is correct
88 Correct 115 ms 31704 KB Output is correct
89 Correct 103 ms 31684 KB Output is correct
90 Correct 104 ms 31708 KB Output is correct
91 Correct 167 ms 32404 KB Output is correct
92 Correct 163 ms 32332 KB Output is correct
93 Correct 161 ms 32404 KB Output is correct
94 Correct 156 ms 32408 KB Output is correct
95 Correct 186 ms 32404 KB Output is correct
96 Correct 160 ms 32796 KB Output is correct
97 Correct 153 ms 32800 KB Output is correct
98 Correct 156 ms 32804 KB Output is correct
99 Correct 156 ms 32796 KB Output is correct
100 Correct 154 ms 32800 KB Output is correct
101 Correct 156 ms 32804 KB Output is correct
102 Correct 153 ms 32716 KB Output is correct
103 Correct 153 ms 32800 KB Output is correct
104 Correct 166 ms 32804 KB Output is correct
105 Correct 159 ms 32800 KB Output is correct
106 Correct 197 ms 32996 KB Output is correct
107 Correct 151 ms 32992 KB Output is correct
108 Correct 152 ms 32972 KB Output is correct
109 Correct 149 ms 32972 KB Output is correct
110 Correct 145 ms 32992 KB Output is correct
111 Correct 151 ms 32984 KB Output is correct
112 Correct 150 ms 32888 KB Output is correct
113 Correct 172 ms 32992 KB Output is correct
114 Correct 149 ms 32992 KB Output is correct
115 Correct 169 ms 32996 KB Output is correct

Subtask #6
0 / 36.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 30840 KB Output is correct
2 Correct 13 ms 30784 KB Output is correct
3 Correct 12 ms 30808 KB Output is correct
4 Correct 12 ms 30788 KB Output is correct
5 Correct 12 ms 30748 KB Output is correct
6 Correct 13 ms 30860 KB Output is correct
7 Correct 12 ms 30852 KB Output is correct
8 Correct 12 ms 30836 KB Output is correct
9 Correct 13 ms 30788 KB Output is correct
10 Correct 13 ms 30804 KB Output is correct
11 Correct 14 ms 30772 KB Output is correct
12 Correct 13 ms 30804 KB Output is correct
13 Correct 15 ms 30804 KB Output is correct
14 Correct 42 ms 31188 KB Output is correct
15 Correct 81 ms 31628 KB Output is correct
16 Correct 117 ms 32016 KB Output is correct
17 Correct 110 ms 31996 KB Output is correct
18 Correct 116 ms 32012 KB Output is correct
19 Correct 109 ms 31920 KB Output is correct
20 Correct 119 ms 32012 KB Output is correct
21 Correct 111 ms 32012 KB Output is correct
22 Correct 109 ms 32016 KB Output is correct
23 Correct 119 ms 32012 KB Output is correct
24 Correct 112 ms 32012 KB Output is correct
25 Correct 113 ms 32024 KB Output is correct
26 Correct 13 ms 30804 KB Output is correct
27 Correct 14 ms 30804 KB Output is correct
28 Correct 16 ms 30792 KB Output is correct
29 Correct 43 ms 31204 KB Output is correct
30 Correct 80 ms 31628 KB Output is correct
31 Correct 112 ms 32020 KB Output is correct
32 Correct 113 ms 32000 KB Output is correct
33 Correct 112 ms 31956 KB Output is correct
34 Correct 117 ms 32016 KB Output is correct
35 Correct 113 ms 32016 KB Output is correct
36 Correct 112 ms 32016 KB Output is correct
37 Correct 113 ms 32012 KB Output is correct
38 Correct 117 ms 32020 KB Output is correct
39 Correct 130 ms 32012 KB Output is correct
40 Correct 115 ms 32016 KB Output is correct
41 Correct 15 ms 30804 KB Output is correct
42 Correct 14 ms 30804 KB Output is correct
43 Correct 15 ms 30860 KB Output is correct
44 Correct 19 ms 30804 KB Output is correct
45 Correct 18 ms 30896 KB Output is correct
46 Correct 16 ms 30912 KB Output is correct
47 Correct 32 ms 31204 KB Output is correct
48 Correct 31 ms 31072 KB Output is correct
49 Correct 52 ms 31188 KB Output is correct
50 Correct 94 ms 31632 KB Output is correct
51 Correct 138 ms 32016 KB Output is correct
52 Correct 137 ms 31956 KB Output is correct
53 Correct 144 ms 32020 KB Output is correct
54 Correct 140 ms 32024 KB Output is correct
55 Correct 137 ms 32020 KB Output is correct
56 Correct 137 ms 31972 KB Output is correct
57 Correct 140 ms 32020 KB Output is correct
58 Correct 138 ms 32020 KB Output is correct
59 Correct 138 ms 31956 KB Output is correct
60 Correct 169 ms 32020 KB Output is correct
61 Correct 148 ms 32016 KB Output is correct
62 Correct 138 ms 32024 KB Output is correct
63 Correct 139 ms 32020 KB Output is correct
64 Correct 138 ms 32020 KB Output is correct
65 Correct 140 ms 32020 KB Output is correct
66 Correct 155 ms 32020 KB Output is correct
67 Correct 138 ms 31956 KB Output is correct
68 Correct 137 ms 32024 KB Output is correct
69 Correct 143 ms 32020 KB Output is correct
70 Correct 139 ms 32016 KB Output is correct
71 Correct 34 ms 31072 KB Output is correct
72 Correct 32 ms 30976 KB Output is correct
73 Correct 32 ms 31068 KB Output is correct
74 Correct 36 ms 30996 KB Output is correct
75 Correct 33 ms 31060 KB Output is correct
76 Correct 55 ms 31264 KB Output is correct
77 Correct 54 ms 31188 KB Output is correct
78 Correct 64 ms 31252 KB Output is correct
79 Correct 54 ms 31260 KB Output is correct
80 Correct 53 ms 31212 KB Output is correct
81 Correct 144 ms 31664 KB Output is correct
82 Correct 103 ms 31668 KB Output is correct
83 Correct 99 ms 31664 KB Output is correct
84 Correct 99 ms 31572 KB Output is correct
85 Correct 99 ms 31672 KB Output is correct
86 Correct 118 ms 31708 KB Output is correct
87 Correct 103 ms 31712 KB Output is correct
88 Correct 115 ms 31704 KB Output is correct
89 Correct 103 ms 31684 KB Output is correct
90 Correct 104 ms 31708 KB Output is correct
91 Correct 167 ms 32404 KB Output is correct
92 Correct 163 ms 32332 KB Output is correct
93 Correct 161 ms 32404 KB Output is correct
94 Correct 156 ms 32408 KB Output is correct
95 Correct 186 ms 32404 KB Output is correct
96 Correct 160 ms 32796 KB Output is correct
97 Correct 153 ms 32800 KB Output is correct
98 Correct 156 ms 32804 KB Output is correct
99 Correct 156 ms 32796 KB Output is correct
100 Correct 154 ms 32800 KB Output is correct
101 Correct 156 ms 32804 KB Output is correct
102 Correct 153 ms 32716 KB Output is correct
103 Correct 153 ms 32800 KB Output is correct
104 Correct 166 ms 32804 KB Output is correct
105 Correct 159 ms 32800 KB Output is correct
106 Correct 197 ms 32996 KB Output is correct
107 Correct 151 ms 32992 KB Output is correct
108 Correct 152 ms 32972 KB Output is correct
109 Correct 149 ms 32972 KB Output is correct
110 Correct 145 ms 32992 KB Output is correct
111 Correct 151 ms 32984 KB Output is correct
112 Correct 150 ms 32888 KB Output is correct
113 Correct 172 ms 32992 KB Output is correct
114 Correct 149 ms 32992 KB Output is correct
115 Correct 169 ms 32996 KB Output is correct
116 Correct 626 ms 32436 KB Output is correct
117 Correct 659 ms 32440 KB Output is correct
118 Execution timed out 7052 ms 32152 KB Time limit exceeded
119 Halted 0 ms 0 KB -