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Submission #813381

# Submission time Handle Problem Language Result Execution time Memory
813381 2023-08-07T16:37:54 Z enerelt14 Diversity (CEOI21_diversity) C++14
64 / 100
 7000 ms 34980 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 = 1341;

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() {
	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

# Verdict Execution time Memory Grader output
1 Correct 12 ms 30804 KB Output is correct
2 Correct 12 ms 30848 KB Output is correct
3 Correct 12 ms 30804 KB Output is correct
4 Correct 12 ms 30788 KB Output is correct
5 Correct 13 ms 30804 KB Output is correct
6 Correct 14 ms 30840 KB Output is correct
7 Correct 13 ms 30840 KB Output is correct
8 Correct 13 ms 30804 KB Output is correct
9 Correct 13 ms 30804 KB Output is correct
10 Correct 13 ms 30804 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 30804 KB Output is correct
2 Correct 13 ms 30804 KB Output is correct
3 Correct 15 ms 30884 KB Output is correct
4 Correct 49 ms 31344 KB Output is correct
5 Correct 89 ms 31948 KB Output is correct
6 Correct 152 ms 32664 KB Output is correct
7 Correct 128 ms 32532 KB Output is correct
8 Correct 129 ms 32616 KB Output is correct
9 Correct 138 ms 32644 KB Output is correct
10 Correct 130 ms 32648 KB Output is correct
11 Correct 129 ms 32636 KB Output is correct
12 Correct 132 ms 32660 KB Output is correct
13 Correct 134 ms 32636 KB Output is correct
14 Correct 133 ms 32628 KB Output is correct
15 Correct 130 ms 32600 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 30804 KB Output is correct
2 Correct 13 ms 30804 KB Output is correct
3 Correct 15 ms 30884 KB Output is correct
4 Correct 49 ms 31344 KB Output is correct
5 Correct 89 ms 31948 KB Output is correct
6 Correct 152 ms 32664 KB Output is correct
7 Correct 128 ms 32532 KB Output is correct
8 Correct 129 ms 32616 KB Output is correct
9 Correct 138 ms 32644 KB Output is correct
10 Correct 130 ms 32648 KB Output is correct
11 Correct 129 ms 32636 KB Output is correct
12 Correct 132 ms 32660 KB Output is correct
13 Correct 134 ms 32636 KB Output is correct
14 Correct 133 ms 32628 KB Output is correct
15 Correct 130 ms 32600 KB Output is correct
16 Correct 12 ms 30804 KB Output is correct
17 Correct 16 ms 30836 KB Output is correct
18 Correct 19 ms 30904 KB Output is correct
19 Correct 58 ms 31488 KB Output is correct
20 Correct 121 ms 32116 KB Output is correct
21 Correct 145 ms 32812 KB Output is correct
22 Correct 134 ms 32772 KB Output is correct
23 Correct 135 ms 32784 KB Output is correct
24 Correct 153 ms 32804 KB Output is correct
25 Correct 135 ms 32768 KB Output is correct
26 Correct 138 ms 32748 KB Output is correct
27 Correct 135 ms 32732 KB Output is correct
28 Correct 144 ms 32716 KB Output is correct
29 Correct 134 ms 32684 KB Output is correct
30 Correct 138 ms 32796 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 30804 KB Output is correct
2 Correct 13 ms 30804 KB Output is correct
3 Correct 15 ms 30884 KB Output is correct
4 Correct 49 ms 31344 KB Output is correct
5 Correct 89 ms 31948 KB Output is correct
6 Correct 152 ms 32664 KB Output is correct
7 Correct 128 ms 32532 KB Output is correct
8 Correct 129 ms 32616 KB Output is correct
9 Correct 138 ms 32644 KB Output is correct
10 Correct 130 ms 32648 KB Output is correct
11 Correct 129 ms 32636 KB Output is correct
12 Correct 132 ms 32660 KB Output is correct
13 Correct 134 ms 32636 KB Output is correct
14 Correct 133 ms 32628 KB Output is correct
15 Correct 130 ms 32600 KB Output is correct
16 Correct 12 ms 30804 KB Output is correct
17 Correct 16 ms 30836 KB Output is correct
18 Correct 19 ms 30904 KB Output is correct
19 Correct 58 ms 31488 KB Output is correct
20 Correct 121 ms 32116 KB Output is correct
21 Correct 145 ms 32812 KB Output is correct
22 Correct 134 ms 32772 KB Output is correct
23 Correct 135 ms 32784 KB Output is correct
24 Correct 153 ms 32804 KB Output is correct
25 Correct 135 ms 32768 KB Output is correct
26 Correct 138 ms 32748 KB Output is correct
27 Correct 135 ms 32732 KB Output is correct
28 Correct 144 ms 32716 KB Output is correct
29 Correct 134 ms 32684 KB Output is correct
30 Correct 138 ms 32796 KB Output is correct
31 Correct 13 ms 30840 KB Output is correct
32 Correct 13 ms 30840 KB Output is correct
33 Correct 12 ms 30804 KB Output is correct
34 Correct 16 ms 30804 KB Output is correct
35 Correct 16 ms 30872 KB Output is correct
36 Correct 19 ms 30932 KB Output is correct
37 Correct 45 ms 31216 KB Output is correct
38 Correct 37 ms 31224 KB Output is correct
39 Correct 61 ms 31584 KB Output is correct
40 Correct 114 ms 32368 KB Output is correct
41 Correct 166 ms 33136 KB Output is correct
42 Correct 170 ms 33228 KB Output is correct
43 Correct 166 ms 33132 KB Output is correct
44 Correct 166 ms 33136 KB Output is correct
45 Correct 167 ms 33140 KB Output is correct
46 Correct 170 ms 33144 KB Output is correct
47 Correct 168 ms 33144 KB Output is correct
48 Correct 169 ms 33104 KB Output is correct
49 Correct 177 ms 33228 KB Output is correct
50 Correct 171 ms 33136 KB Output is correct
51 Correct 171 ms 33148 KB Output is correct
52 Correct 167 ms 33052 KB Output is correct
53 Correct 179 ms 33144 KB Output is correct
54 Correct 166 ms 33044 KB Output is correct
55 Correct 167 ms 33100 KB Output is correct
56 Correct 165 ms 33140 KB Output is correct
57 Correct 167 ms 33136 KB Output is correct
58 Correct 169 ms 33096 KB Output is correct
59 Correct 165 ms 33144 KB Output is correct
60 Correct 169 ms 33136 KB Output is correct

Subtask #5
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 30804 KB Output is correct
2 Correct 12 ms 30848 KB Output is correct
3 Correct 12 ms 30804 KB Output is correct
4 Correct 12 ms 30788 KB Output is correct
5 Correct 13 ms 30804 KB Output is correct
6 Correct 14 ms 30840 KB Output is correct
7 Correct 13 ms 30840 KB Output is correct
8 Correct 13 ms 30804 KB Output is correct
9 Correct 13 ms 30804 KB Output is correct
10 Correct 13 ms 30804 KB Output is correct
11 Correct 12 ms 30804 KB Output is correct
12 Correct 13 ms 30804 KB Output is correct
13 Correct 15 ms 30884 KB Output is correct
14 Correct 49 ms 31344 KB Output is correct
15 Correct 89 ms 31948 KB Output is correct
16 Correct 152 ms 32664 KB Output is correct
17 Correct 128 ms 32532 KB Output is correct
18 Correct 129 ms 32616 KB Output is correct
19 Correct 138 ms 32644 KB Output is correct
20 Correct 130 ms 32648 KB Output is correct
21 Correct 129 ms 32636 KB Output is correct
22 Correct 132 ms 32660 KB Output is correct
23 Correct 134 ms 32636 KB Output is correct
24 Correct 133 ms 32628 KB Output is correct
25 Correct 130 ms 32600 KB Output is correct
26 Correct 12 ms 30804 KB Output is correct
27 Correct 16 ms 30836 KB Output is correct
28 Correct 19 ms 30904 KB Output is correct
29 Correct 58 ms 31488 KB Output is correct
30 Correct 121 ms 32116 KB Output is correct
31 Correct 145 ms 32812 KB Output is correct
32 Correct 134 ms 32772 KB Output is correct
33 Correct 135 ms 32784 KB Output is correct
34 Correct 153 ms 32804 KB Output is correct
35 Correct 135 ms 32768 KB Output is correct
36 Correct 138 ms 32748 KB Output is correct
37 Correct 135 ms 32732 KB Output is correct
38 Correct 144 ms 32716 KB Output is correct
39 Correct 134 ms 32684 KB Output is correct
40 Correct 138 ms 32796 KB Output is correct
41 Correct 13 ms 30840 KB Output is correct
42 Correct 13 ms 30840 KB Output is correct
43 Correct 12 ms 30804 KB Output is correct
44 Correct 16 ms 30804 KB Output is correct
45 Correct 16 ms 30872 KB Output is correct
46 Correct 19 ms 30932 KB Output is correct
47 Correct 45 ms 31216 KB Output is correct
48 Correct 37 ms 31224 KB Output is correct
49 Correct 61 ms 31584 KB Output is correct
50 Correct 114 ms 32368 KB Output is correct
51 Correct 166 ms 33136 KB Output is correct
52 Correct 170 ms 33228 KB Output is correct
53 Correct 166 ms 33132 KB Output is correct
54 Correct 166 ms 33136 KB Output is correct
55 Correct 167 ms 33140 KB Output is correct
56 Correct 170 ms 33144 KB Output is correct
57 Correct 168 ms 33144 KB Output is correct
58 Correct 169 ms 33104 KB Output is correct
59 Correct 177 ms 33228 KB Output is correct
60 Correct 171 ms 33136 KB Output is correct
61 Correct 171 ms 33148 KB Output is correct
62 Correct 167 ms 33052 KB Output is correct
63 Correct 179 ms 33144 KB Output is correct
64 Correct 166 ms 33044 KB Output is correct
65 Correct 167 ms 33100 KB Output is correct
66 Correct 165 ms 33140 KB Output is correct
67 Correct 167 ms 33136 KB Output is correct
68 Correct 169 ms 33096 KB Output is correct
69 Correct 165 ms 33144 KB Output is correct
70 Correct 169 ms 33136 KB Output is correct
71 Correct 38 ms 31216 KB Output is correct
72 Correct 37 ms 31228 KB Output is correct
73 Correct 38 ms 31192 KB Output is correct
74 Correct 39 ms 31200 KB Output is correct
75 Correct 39 ms 31216 KB Output is correct
76 Correct 67 ms 31700 KB Output is correct
77 Correct 66 ms 31612 KB Output is correct
78 Correct 76 ms 31704 KB Output is correct
79 Correct 69 ms 31692 KB Output is correct
80 Correct 66 ms 31704 KB Output is correct
81 Correct 124 ms 32588 KB Output is correct
82 Correct 125 ms 32688 KB Output is correct
83 Correct 128 ms 32524 KB Output is correct
84 Correct 124 ms 32604 KB Output is correct
85 Correct 124 ms 32608 KB Output is correct
86 Correct 127 ms 32744 KB Output is correct
87 Correct 147 ms 32804 KB Output is correct
88 Correct 138 ms 32752 KB Output is correct
89 Correct 128 ms 32752 KB Output is correct
90 Correct 131 ms 32748 KB Output is correct
91 Correct 200 ms 34176 KB Output is correct
92 Correct 196 ms 34112 KB Output is correct
93 Correct 198 ms 34132 KB Output is correct
94 Correct 193 ms 34056 KB Output is correct
95 Correct 193 ms 34044 KB Output is correct
96 Correct 194 ms 34640 KB Output is correct
97 Correct 198 ms 34668 KB Output is correct
98 Correct 235 ms 34660 KB Output is correct
99 Correct 202 ms 34608 KB Output is correct
100 Correct 194 ms 34608 KB Output is correct
101 Correct 201 ms 34664 KB Output is correct
102 Correct 206 ms 34560 KB Output is correct
103 Correct 196 ms 34580 KB Output is correct
104 Correct 194 ms 34660 KB Output is correct
105 Correct 197 ms 34664 KB Output is correct
106 Correct 192 ms 34812 KB Output is correct
107 Correct 193 ms 34892 KB Output is correct
108 Correct 206 ms 34804 KB Output is correct
109 Correct 227 ms 34892 KB Output is correct
110 Correct 192 ms 34880 KB Output is correct
111 Correct 192 ms 34892 KB Output is correct
112 Correct 191 ms 34892 KB Output is correct
113 Correct 192 ms 34868 KB Output is correct
114 Correct 211 ms 34980 KB Output is correct
115 Correct 193 ms 34892 KB Output is correct

Subtask #6
0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 30804 KB Output is correct
2 Correct 12 ms 30848 KB Output is correct
3 Correct 12 ms 30804 KB Output is correct
4 Correct 12 ms 30788 KB Output is correct
5 Correct 13 ms 30804 KB Output is correct
6 Correct 14 ms 30840 KB Output is correct
7 Correct 13 ms 30840 KB Output is correct
8 Correct 13 ms 30804 KB Output is correct
9 Correct 13 ms 30804 KB Output is correct
10 Correct 13 ms 30804 KB Output is correct
11 Correct 12 ms 30804 KB Output is correct
12 Correct 13 ms 30804 KB Output is correct
13 Correct 15 ms 30884 KB Output is correct
14 Correct 49 ms 31344 KB Output is correct
15 Correct 89 ms 31948 KB Output is correct
16 Correct 152 ms 32664 KB Output is correct
17 Correct 128 ms 32532 KB Output is correct
18 Correct 129 ms 32616 KB Output is correct
19 Correct 138 ms 32644 KB Output is correct
20 Correct 130 ms 32648 KB Output is correct
21 Correct 129 ms 32636 KB Output is correct
22 Correct 132 ms 32660 KB Output is correct
23 Correct 134 ms 32636 KB Output is correct
24 Correct 133 ms 32628 KB Output is correct
25 Correct 130 ms 32600 KB Output is correct
26 Correct 12 ms 30804 KB Output is correct
27 Correct 16 ms 30836 KB Output is correct
28 Correct 19 ms 30904 KB Output is correct
29 Correct 58 ms 31488 KB Output is correct
30 Correct 121 ms 32116 KB Output is correct
31 Correct 145 ms 32812 KB Output is correct
32 Correct 134 ms 32772 KB Output is correct
33 Correct 135 ms 32784 KB Output is correct
34 Correct 153 ms 32804 KB Output is correct
35 Correct 135 ms 32768 KB Output is correct
36 Correct 138 ms 32748 KB Output is correct
37 Correct 135 ms 32732 KB Output is correct
38 Correct 144 ms 32716 KB Output is correct
39 Correct 134 ms 32684 KB Output is correct
40 Correct 138 ms 32796 KB Output is correct
41 Correct 13 ms 30840 KB Output is correct
42 Correct 13 ms 30840 KB Output is correct
43 Correct 12 ms 30804 KB Output is correct
44 Correct 16 ms 30804 KB Output is correct
45 Correct 16 ms 30872 KB Output is correct
46 Correct 19 ms 30932 KB Output is correct
47 Correct 45 ms 31216 KB Output is correct
48 Correct 37 ms 31224 KB Output is correct
49 Correct 61 ms 31584 KB Output is correct
50 Correct 114 ms 32368 KB Output is correct
51 Correct 166 ms 33136 KB Output is correct
52 Correct 170 ms 33228 KB Output is correct
53 Correct 166 ms 33132 KB Output is correct
54 Correct 166 ms 33136 KB Output is correct
55 Correct 167 ms 33140 KB Output is correct
56 Correct 170 ms 33144 KB Output is correct
57 Correct 168 ms 33144 KB Output is correct
58 Correct 169 ms 33104 KB Output is correct
59 Correct 177 ms 33228 KB Output is correct
60 Correct 171 ms 33136 KB Output is correct
61 Correct 171 ms 33148 KB Output is correct
62 Correct 167 ms 33052 KB Output is correct
63 Correct 179 ms 33144 KB Output is correct
64 Correct 166 ms 33044 KB Output is correct
65 Correct 167 ms 33100 KB Output is correct
66 Correct 165 ms 33140 KB Output is correct
67 Correct 167 ms 33136 KB Output is correct
68 Correct 169 ms 33096 KB Output is correct
69 Correct 165 ms 33144 KB Output is correct
70 Correct 169 ms 33136 KB Output is correct
71 Correct 38 ms 31216 KB Output is correct
72 Correct 37 ms 31228 KB Output is correct
73 Correct 38 ms 31192 KB Output is correct
74 Correct 39 ms 31200 KB Output is correct
75 Correct 39 ms 31216 KB Output is correct
76 Correct 67 ms 31700 KB Output is correct
77 Correct 66 ms 31612 KB Output is correct
78 Correct 76 ms 31704 KB Output is correct
79 Correct 69 ms 31692 KB Output is correct
80 Correct 66 ms 31704 KB Output is correct
81 Correct 124 ms 32588 KB Output is correct
82 Correct 125 ms 32688 KB Output is correct
83 Correct 128 ms 32524 KB Output is correct
84 Correct 124 ms 32604 KB Output is correct
85 Correct 124 ms 32608 KB Output is correct
86 Correct 127 ms 32744 KB Output is correct
87 Correct 147 ms 32804 KB Output is correct
88 Correct 138 ms 32752 KB Output is correct
89 Correct 128 ms 32752 KB Output is correct
90 Correct 131 ms 32748 KB Output is correct
91 Correct 200 ms 34176 KB Output is correct
92 Correct 196 ms 34112 KB Output is correct
93 Correct 198 ms 34132 KB Output is correct
94 Correct 193 ms 34056 KB Output is correct
95 Correct 193 ms 34044 KB Output is correct
96 Correct 194 ms 34640 KB Output is correct
97 Correct 198 ms 34668 KB Output is correct
98 Correct 235 ms 34660 KB Output is correct
99 Correct 202 ms 34608 KB Output is correct
100 Correct 194 ms 34608 KB Output is correct
101 Correct 201 ms 34664 KB Output is correct
102 Correct 206 ms 34560 KB Output is correct
103 Correct 196 ms 34580 KB Output is correct
104 Correct 194 ms 34660 KB Output is correct
105 Correct 197 ms 34664 KB Output is correct
106 Correct 192 ms 34812 KB Output is correct
107 Correct 193 ms 34892 KB Output is correct
108 Correct 206 ms 34804 KB Output is correct
109 Correct 227 ms 34892 KB Output is correct
110 Correct 192 ms 34880 KB Output is correct
111 Correct 192 ms 34892 KB Output is correct
112 Correct 191 ms 34892 KB Output is correct
113 Correct 192 ms 34868 KB Output is correct
114 Correct 211 ms 34980 KB Output is correct
115 Correct 193 ms 34892 KB Output is correct
116 Correct 4610 ms 32924 KB Output is correct
117 Correct 4929 ms 32928 KB Output is correct
118 Correct 6458 ms 33416 KB Output is correct
119 Execution timed out 7057 ms 32976 KB Time limit exceeded
120 Halted 0 ms 0 KB -