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답안 #956733

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
956733 2024-04-02T12:00:37 Z TAhmed33 Diversity (CEOI21_diversity) C++
64 / 100
 731 ms 13592 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int MAXN = 3e5 + 1;
const int B = 500;
int a[MAXN], n, q;
array <int, 3> queries[MAXN];
ll ans[MAXN];
int freq[MAXN], freq2[MAXN];
set <int> t;
void add (int x) {
	if (freq2[freq[a[x]]] == 1) t.erase(freq[a[x]]);
	freq2[freq[a[x]]]--;
	freq[a[x]]++;
	freq2[freq[a[x]]]++;
	if (freq2[freq[a[x]]] == 1) t.insert(freq[a[x]]);
}
void rem (int x) {
	if (freq2[freq[a[x]]] == 1) t.erase(freq[a[x]]);
	freq2[freq[a[x]]]--;
	freq[a[x]]--;
	freq2[freq[a[x]]]++;
	if (freq2[freq[a[x]]] == 1) t.insert(freq[a[x]]);
}
int main () {
	ios::sync_with_stdio(0); cin.tie(0);
	cin >> n >> q;
	freq2[0] = MAXN; t.insert(0); 
	for (int i = 1; i <= n; i++) cin >> a[i];
	for (int i = 1; i <= q; i++) {
		int l, r; cin >> l >> r;
		queries[i] = {l, r, i};
	}
	sort(queries + 1, queries + q + 1, [&] (array <int, 3> &x, array <int, 3> &y) {
		return x[0] / B == y[0] / B ? x[1] < y[1] : x[0]  / B < y[0] / B;
	});
	int L = queries[1][0] + 1, R = queries[1][0];
	for (int i = 1; i <= q; i++) {
		while (L > queries[i][0]) add(--L);
		while (L < queries[i][0]) rem(L++);
		while (R > queries[i][1]) rem(R--);
		while (R < queries[i][1]) add(++R);
		ll dis = 0; ll n = R - L + 1;
		vector <pair <ll, ll>> pp[2];
		int c = 0;
		for (auto j : t) {
			if (!j) continue;
			dis += freq2[j];
			int x = j, y = freq2[j];
			if (y == 1) {
				pp[c].push_back({x, 1});
				c ^= 1; 
			} else {
				int l = (y + 1) / 2, r = y / 2;
				pp[c].push_back({x, l});
				pp[c ^ 1].push_back({x, r});
				c ^= (y & 1);
			}
		}
		reverse(pp[1].begin(), pp[1].end());
		for (auto j : pp[1]) pp[0].push_back(j);
		ll cur = 0, pref = 0;
		for (auto [x, y] : pp[0]) {
			cur += pref * pref * y + y * (y - 1) / 2 * 2 * pref * x + x * x * (y - 1) * y * (2 * y - 1) / 6 + y * pref + x * y * (y - 1) / 2;
			cur += y * n * n - y * n * pref - n * y * (y + 1) / 2 * x + y * n;
			cur += -y * n * pref + pref * pref * y + pref * y * (y + 1) / 2 * x - y * pref;
			cur += -n * y * (y + 1) / 2 * x + y * (y + 1) / 2 * x * pref + x * x * y * (y + 1) * (2 * y + 1) / 6 - y * (y + 1) / 2 * x;
			pref += x * y;
		}	
		ans[queries[i][2]] = n * (n + 1) / 2 * dis - cur / 2;
	}
	for (int i = 1; i <= q; i++) cout << ans[i] << '\n';
}

Compilation message

diversity.cpp: In function 'int main()':
diversity.cpp:63:13: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   63 |   for (auto [x, y] : pp[0]) {
      |             ^

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 6492 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 4 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 1 ms 6492 KB Output is correct
8 Correct 1 ms 6608 KB Output is correct
9 Correct 2 ms 6492 KB Output is correct
10 Correct 1 ms 6492 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 6492 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 3 ms 6492 KB Output is correct
4 Correct 12 ms 7000 KB Output is correct
5 Correct 23 ms 7772 KB Output is correct
6 Correct 36 ms 8276 KB Output is correct
7 Correct 32 ms 8528 KB Output is correct
8 Correct 35 ms 8240 KB Output is correct
9 Correct 35 ms 8216 KB Output is correct
10 Correct 35 ms 8276 KB Output is correct
11 Correct 35 ms 8284 KB Output is correct
12 Correct 36 ms 8272 KB Output is correct
13 Correct 36 ms 8268 KB Output is correct
14 Correct 39 ms 8716 KB Output is correct
15 Correct 35 ms 8284 KB Output is correct

Subtask #3
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 6492 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 3 ms 6492 KB Output is correct
4 Correct 12 ms 7000 KB Output is correct
5 Correct 23 ms 7772 KB Output is correct
6 Correct 36 ms 8276 KB Output is correct
7 Correct 32 ms 8528 KB Output is correct
8 Correct 35 ms 8240 KB Output is correct
9 Correct 35 ms 8216 KB Output is correct
10 Correct 35 ms 8276 KB Output is correct
11 Correct 35 ms 8284 KB Output is correct
12 Correct 36 ms 8272 KB Output is correct
13 Correct 36 ms 8268 KB Output is correct
14 Correct 39 ms 8716 KB Output is correct
15 Correct 35 ms 8284 KB Output is correct
16 Correct 1 ms 6492 KB Output is correct
17 Correct 1 ms 6492 KB Output is correct
18 Correct 2 ms 6492 KB Output is correct
19 Correct 13 ms 7004 KB Output is correct
20 Correct 26 ms 7768 KB Output is correct
21 Correct 39 ms 8428 KB Output is correct
22 Correct 42 ms 8528 KB Output is correct
23 Correct 39 ms 8528 KB Output is correct
24 Correct 39 ms 8280 KB Output is correct
25 Correct 39 ms 8444 KB Output is correct
26 Correct 40 ms 8272 KB Output is correct
27 Correct 39 ms 8528 KB Output is correct
28 Correct 42 ms 8304 KB Output is correct
29 Correct 39 ms 8276 KB Output is correct
30 Correct 40 ms 8528 KB Output is correct

Subtask #4
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 6492 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 3 ms 6492 KB Output is correct
4 Correct 12 ms 7000 KB Output is correct
5 Correct 23 ms 7772 KB Output is correct
6 Correct 36 ms 8276 KB Output is correct
7 Correct 32 ms 8528 KB Output is correct
8 Correct 35 ms 8240 KB Output is correct
9 Correct 35 ms 8216 KB Output is correct
10 Correct 35 ms 8276 KB Output is correct
11 Correct 35 ms 8284 KB Output is correct
12 Correct 36 ms 8272 KB Output is correct
13 Correct 36 ms 8268 KB Output is correct
14 Correct 39 ms 8716 KB Output is correct
15 Correct 35 ms 8284 KB Output is correct
16 Correct 1 ms 6492 KB Output is correct
17 Correct 1 ms 6492 KB Output is correct
18 Correct 2 ms 6492 KB Output is correct
19 Correct 13 ms 7004 KB Output is correct
20 Correct 26 ms 7768 KB Output is correct
21 Correct 39 ms 8428 KB Output is correct
22 Correct 42 ms 8528 KB Output is correct
23 Correct 39 ms 8528 KB Output is correct
24 Correct 39 ms 8280 KB Output is correct
25 Correct 39 ms 8444 KB Output is correct
26 Correct 40 ms 8272 KB Output is correct
27 Correct 39 ms 8528 KB Output is correct
28 Correct 42 ms 8304 KB Output is correct
29 Correct 39 ms 8276 KB Output is correct
30 Correct 40 ms 8528 KB Output is correct
31 Correct 1 ms 6492 KB Output is correct
32 Correct 1 ms 6492 KB Output is correct
33 Correct 1 ms 6612 KB Output is correct
34 Correct 2 ms 6492 KB Output is correct
35 Correct 2 ms 6488 KB Output is correct
36 Correct 2 ms 6676 KB Output is correct
37 Correct 5 ms 6748 KB Output is correct
38 Correct 4 ms 6744 KB Output is correct
39 Correct 9 ms 7260 KB Output is correct
40 Correct 19 ms 7756 KB Output is correct
41 Correct 31 ms 8276 KB Output is correct
42 Correct 31 ms 8428 KB Output is correct
43 Correct 32 ms 8272 KB Output is correct
44 Correct 32 ms 8272 KB Output is correct
45 Correct 31 ms 8276 KB Output is correct
46 Correct 34 ms 8588 KB Output is correct
47 Correct 31 ms 8284 KB Output is correct
48 Correct 31 ms 8308 KB Output is correct
49 Correct 31 ms 8276 KB Output is correct
50 Correct 31 ms 8276 KB Output is correct
51 Correct 32 ms 8424 KB Output is correct
52 Correct 31 ms 8252 KB Output is correct
53 Correct 32 ms 8276 KB Output is correct
54 Correct 33 ms 8408 KB Output is correct
55 Correct 31 ms 8392 KB Output is correct
56 Correct 31 ms 8284 KB Output is correct
57 Correct 30 ms 8256 KB Output is correct
58 Correct 32 ms 8276 KB Output is correct
59 Correct 32 ms 8276 KB Output is correct
60 Correct 31 ms 8272 KB Output is correct

Subtask #5
26.0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 6492 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 4 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 1 ms 6492 KB Output is correct
8 Correct 1 ms 6608 KB Output is correct
9 Correct 2 ms 6492 KB Output is correct
10 Correct 1 ms 6492 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 3 ms 6492 KB Output is correct
14 Correct 12 ms 7000 KB Output is correct
15 Correct 23 ms 7772 KB Output is correct
16 Correct 36 ms 8276 KB Output is correct
17 Correct 32 ms 8528 KB Output is correct
18 Correct 35 ms 8240 KB Output is correct
19 Correct 35 ms 8216 KB Output is correct
20 Correct 35 ms 8276 KB Output is correct
21 Correct 35 ms 8284 KB Output is correct
22 Correct 36 ms 8272 KB Output is correct
23 Correct 36 ms 8268 KB Output is correct
24 Correct 39 ms 8716 KB Output is correct
25 Correct 35 ms 8284 KB Output is correct
26 Correct 1 ms 6492 KB Output is correct
27 Correct 1 ms 6492 KB Output is correct
28 Correct 2 ms 6492 KB Output is correct
29 Correct 13 ms 7004 KB Output is correct
30 Correct 26 ms 7768 KB Output is correct
31 Correct 39 ms 8428 KB Output is correct
32 Correct 42 ms 8528 KB Output is correct
33 Correct 39 ms 8528 KB Output is correct
34 Correct 39 ms 8280 KB Output is correct
35 Correct 39 ms 8444 KB Output is correct
36 Correct 40 ms 8272 KB Output is correct
37 Correct 39 ms 8528 KB Output is correct
38 Correct 42 ms 8304 KB Output is correct
39 Correct 39 ms 8276 KB Output is correct
40 Correct 40 ms 8528 KB Output is correct
41 Correct 1 ms 6492 KB Output is correct
42 Correct 1 ms 6492 KB Output is correct
43 Correct 1 ms 6612 KB Output is correct
44 Correct 2 ms 6492 KB Output is correct
45 Correct 2 ms 6488 KB Output is correct
46 Correct 2 ms 6676 KB Output is correct
47 Correct 5 ms 6748 KB Output is correct
48 Correct 4 ms 6744 KB Output is correct
49 Correct 9 ms 7260 KB Output is correct
50 Correct 19 ms 7756 KB Output is correct
51 Correct 31 ms 8276 KB Output is correct
52 Correct 31 ms 8428 KB Output is correct
53 Correct 32 ms 8272 KB Output is correct
54 Correct 32 ms 8272 KB Output is correct
55 Correct 31 ms 8276 KB Output is correct
56 Correct 34 ms 8588 KB Output is correct
57 Correct 31 ms 8284 KB Output is correct
58 Correct 31 ms 8308 KB Output is correct
59 Correct 31 ms 8276 KB Output is correct
60 Correct 31 ms 8276 KB Output is correct
61 Correct 32 ms 8424 KB Output is correct
62 Correct 31 ms 8252 KB Output is correct
63 Correct 32 ms 8276 KB Output is correct
64 Correct 33 ms 8408 KB Output is correct
65 Correct 31 ms 8392 KB Output is correct
66 Correct 31 ms 8284 KB Output is correct
67 Correct 30 ms 8256 KB Output is correct
68 Correct 32 ms 8276 KB Output is correct
69 Correct 32 ms 8276 KB Output is correct
70 Correct 31 ms 8272 KB Output is correct
71 Correct 7 ms 6900 KB Output is correct
72 Correct 4 ms 6748 KB Output is correct
73 Correct 4 ms 6748 KB Output is correct
74 Correct 4 ms 6920 KB Output is correct
75 Correct 4 ms 6748 KB Output is correct
76 Correct 7 ms 7260 KB Output is correct
77 Correct 7 ms 7260 KB Output is correct
78 Correct 7 ms 7232 KB Output is correct
79 Correct 7 ms 7256 KB Output is correct
80 Correct 7 ms 7260 KB Output is correct
81 Correct 13 ms 8028 KB Output is correct
82 Correct 13 ms 8020 KB Output is correct
83 Correct 13 ms 8028 KB Output is correct
84 Correct 12 ms 8028 KB Output is correct
85 Correct 17 ms 8172 KB Output is correct
86 Correct 14 ms 8028 KB Output is correct
87 Correct 14 ms 8028 KB Output is correct
88 Correct 14 ms 7992 KB Output is correct
89 Correct 14 ms 8028 KB Output is correct
90 Correct 14 ms 8028 KB Output is correct
91 Correct 20 ms 9036 KB Output is correct
92 Correct 23 ms 9036 KB Output is correct
93 Correct 19 ms 8792 KB Output is correct
94 Correct 20 ms 9052 KB Output is correct
95 Correct 19 ms 9040 KB Output is correct
96 Correct 22 ms 9564 KB Output is correct
97 Correct 22 ms 9556 KB Output is correct
98 Correct 22 ms 9604 KB Output is correct
99 Correct 22 ms 9512 KB Output is correct
100 Correct 22 ms 9528 KB Output is correct
101 Correct 22 ms 9576 KB Output is correct
102 Correct 22 ms 9644 KB Output is correct
103 Correct 23 ms 9552 KB Output is correct
104 Correct 23 ms 9556 KB Output is correct
105 Correct 22 ms 9560 KB Output is correct
106 Correct 22 ms 9808 KB Output is correct
107 Correct 35 ms 9812 KB Output is correct
108 Correct 22 ms 9812 KB Output is correct
109 Correct 22 ms 9820 KB Output is correct
110 Correct 26 ms 9808 KB Output is correct
111 Correct 22 ms 9656 KB Output is correct
112 Correct 29 ms 10088 KB Output is correct
113 Correct 22 ms 9796 KB Output is correct
114 Correct 24 ms 10072 KB Output is correct
115 Correct 22 ms 9820 KB Output is correct

Subtask #6
0 / 36.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 6492 KB Output is correct
2 Correct 1 ms 6492 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 4 ms 6492 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 1 ms 6492 KB Output is correct
8 Correct 1 ms 6608 KB Output is correct
9 Correct 2 ms 6492 KB Output is correct
10 Correct 1 ms 6492 KB Output is correct
11 Correct 1 ms 6492 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 3 ms 6492 KB Output is correct
14 Correct 12 ms 7000 KB Output is correct
15 Correct 23 ms 7772 KB Output is correct
16 Correct 36 ms 8276 KB Output is correct
17 Correct 32 ms 8528 KB Output is correct
18 Correct 35 ms 8240 KB Output is correct
19 Correct 35 ms 8216 KB Output is correct
20 Correct 35 ms 8276 KB Output is correct
21 Correct 35 ms 8284 KB Output is correct
22 Correct 36 ms 8272 KB Output is correct
23 Correct 36 ms 8268 KB Output is correct
24 Correct 39 ms 8716 KB Output is correct
25 Correct 35 ms 8284 KB Output is correct
26 Correct 1 ms 6492 KB Output is correct
27 Correct 1 ms 6492 KB Output is correct
28 Correct 2 ms 6492 KB Output is correct
29 Correct 13 ms 7004 KB Output is correct
30 Correct 26 ms 7768 KB Output is correct
31 Correct 39 ms 8428 KB Output is correct
32 Correct 42 ms 8528 KB Output is correct
33 Correct 39 ms 8528 KB Output is correct
34 Correct 39 ms 8280 KB Output is correct
35 Correct 39 ms 8444 KB Output is correct
36 Correct 40 ms 8272 KB Output is correct
37 Correct 39 ms 8528 KB Output is correct
38 Correct 42 ms 8304 KB Output is correct
39 Correct 39 ms 8276 KB Output is correct
40 Correct 40 ms 8528 KB Output is correct
41 Correct 1 ms 6492 KB Output is correct
42 Correct 1 ms 6492 KB Output is correct
43 Correct 1 ms 6612 KB Output is correct
44 Correct 2 ms 6492 KB Output is correct
45 Correct 2 ms 6488 KB Output is correct
46 Correct 2 ms 6676 KB Output is correct
47 Correct 5 ms 6748 KB Output is correct
48 Correct 4 ms 6744 KB Output is correct
49 Correct 9 ms 7260 KB Output is correct
50 Correct 19 ms 7756 KB Output is correct
51 Correct 31 ms 8276 KB Output is correct
52 Correct 31 ms 8428 KB Output is correct
53 Correct 32 ms 8272 KB Output is correct
54 Correct 32 ms 8272 KB Output is correct
55 Correct 31 ms 8276 KB Output is correct
56 Correct 34 ms 8588 KB Output is correct
57 Correct 31 ms 8284 KB Output is correct
58 Correct 31 ms 8308 KB Output is correct
59 Correct 31 ms 8276 KB Output is correct
60 Correct 31 ms 8276 KB Output is correct
61 Correct 32 ms 8424 KB Output is correct
62 Correct 31 ms 8252 KB Output is correct
63 Correct 32 ms 8276 KB Output is correct
64 Correct 33 ms 8408 KB Output is correct
65 Correct 31 ms 8392 KB Output is correct
66 Correct 31 ms 8284 KB Output is correct
67 Correct 30 ms 8256 KB Output is correct
68 Correct 32 ms 8276 KB Output is correct
69 Correct 32 ms 8276 KB Output is correct
70 Correct 31 ms 8272 KB Output is correct
71 Correct 7 ms 6900 KB Output is correct
72 Correct 4 ms 6748 KB Output is correct
73 Correct 4 ms 6748 KB Output is correct
74 Correct 4 ms 6920 KB Output is correct
75 Correct 4 ms 6748 KB Output is correct
76 Correct 7 ms 7260 KB Output is correct
77 Correct 7 ms 7260 KB Output is correct
78 Correct 7 ms 7232 KB Output is correct
79 Correct 7 ms 7256 KB Output is correct
80 Correct 7 ms 7260 KB Output is correct
81 Correct 13 ms 8028 KB Output is correct
82 Correct 13 ms 8020 KB Output is correct
83 Correct 13 ms 8028 KB Output is correct
84 Correct 12 ms 8028 KB Output is correct
85 Correct 17 ms 8172 KB Output is correct
86 Correct 14 ms 8028 KB Output is correct
87 Correct 14 ms 8028 KB Output is correct
88 Correct 14 ms 7992 KB Output is correct
89 Correct 14 ms 8028 KB Output is correct
90 Correct 14 ms 8028 KB Output is correct
91 Correct 20 ms 9036 KB Output is correct
92 Correct 23 ms 9036 KB Output is correct
93 Correct 19 ms 8792 KB Output is correct
94 Correct 20 ms 9052 KB Output is correct
95 Correct 19 ms 9040 KB Output is correct
96 Correct 22 ms 9564 KB Output is correct
97 Correct 22 ms 9556 KB Output is correct
98 Correct 22 ms 9604 KB Output is correct
99 Correct 22 ms 9512 KB Output is correct
100 Correct 22 ms 9528 KB Output is correct
101 Correct 22 ms 9576 KB Output is correct
102 Correct 22 ms 9644 KB Output is correct
103 Correct 23 ms 9552 KB Output is correct
104 Correct 23 ms 9556 KB Output is correct
105 Correct 22 ms 9560 KB Output is correct
106 Correct 22 ms 9808 KB Output is correct
107 Correct 35 ms 9812 KB Output is correct
108 Correct 22 ms 9812 KB Output is correct
109 Correct 22 ms 9820 KB Output is correct
110 Correct 26 ms 9808 KB Output is correct
111 Correct 22 ms 9656 KB Output is correct
112 Correct 29 ms 10088 KB Output is correct
113 Correct 22 ms 9796 KB Output is correct
114 Correct 24 ms 10072 KB Output is correct
115 Correct 22 ms 9820 KB Output is correct
116 Correct 731 ms 7376 KB Output is correct
117 Correct 589 ms 7380 KB Output is correct
118 Runtime error 213 ms 13592 KB Execution killed with signal 11
119 Halted 0 ms 0 KB -