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답안 #956715

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
956715 2024-04-02T11:30:54 Z TAhmed33 Diversity (CEOI21_diversity) C++
64 / 100
 771 ms 13904 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int MAXN = 3e5 + 25;
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; 
	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, cur2 = 0, pref = 0;
		for (auto [x, y] : pp[0]) {
			cur2 += 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 - cur2 / 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 2 ms 6744 KB Output is correct
3 Correct 2 ms 6612 KB Output is correct
4 Correct 2 ms 6744 KB Output is correct
5 Correct 1 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 6492 KB Output is correct
9 Correct 1 ms 6488 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 6488 KB Output is correct
4 Correct 12 ms 7004 KB Output is correct
5 Correct 22 ms 7772 KB Output is correct
6 Correct 35 ms 8488 KB Output is correct
7 Correct 31 ms 8788 KB Output is correct
8 Correct 37 ms 8280 KB Output is correct
9 Correct 34 ms 8284 KB Output is correct
10 Correct 33 ms 8540 KB Output is correct
11 Correct 34 ms 8528 KB Output is correct
12 Correct 35 ms 8284 KB Output is correct
13 Correct 34 ms 8312 KB Output is correct
14 Correct 34 ms 8528 KB Output is correct
15 Correct 33 ms 8276 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 6488 KB Output is correct
4 Correct 12 ms 7004 KB Output is correct
5 Correct 22 ms 7772 KB Output is correct
6 Correct 35 ms 8488 KB Output is correct
7 Correct 31 ms 8788 KB Output is correct
8 Correct 37 ms 8280 KB Output is correct
9 Correct 34 ms 8284 KB Output is correct
10 Correct 33 ms 8540 KB Output is correct
11 Correct 34 ms 8528 KB Output is correct
12 Correct 35 ms 8284 KB Output is correct
13 Correct 34 ms 8312 KB Output is correct
14 Correct 34 ms 8528 KB Output is correct
15 Correct 33 ms 8276 KB Output is correct
16 Correct 1 ms 6492 KB Output is correct
17 Correct 1 ms 6492 KB Output is correct
18 Correct 3 ms 6492 KB Output is correct
19 Correct 13 ms 7168 KB Output is correct
20 Correct 26 ms 7780 KB Output is correct
21 Correct 38 ms 8532 KB Output is correct
22 Correct 39 ms 8432 KB Output is correct
23 Correct 37 ms 8528 KB Output is correct
24 Correct 39 ms 8528 KB Output is correct
25 Correct 40 ms 8528 KB Output is correct
26 Correct 39 ms 8528 KB Output is correct
27 Correct 38 ms 8352 KB Output is correct
28 Correct 38 ms 8532 KB Output is correct
29 Correct 46 ms 8448 KB Output is correct
30 Correct 39 ms 8532 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 6488 KB Output is correct
4 Correct 12 ms 7004 KB Output is correct
5 Correct 22 ms 7772 KB Output is correct
6 Correct 35 ms 8488 KB Output is correct
7 Correct 31 ms 8788 KB Output is correct
8 Correct 37 ms 8280 KB Output is correct
9 Correct 34 ms 8284 KB Output is correct
10 Correct 33 ms 8540 KB Output is correct
11 Correct 34 ms 8528 KB Output is correct
12 Correct 35 ms 8284 KB Output is correct
13 Correct 34 ms 8312 KB Output is correct
14 Correct 34 ms 8528 KB Output is correct
15 Correct 33 ms 8276 KB Output is correct
16 Correct 1 ms 6492 KB Output is correct
17 Correct 1 ms 6492 KB Output is correct
18 Correct 3 ms 6492 KB Output is correct
19 Correct 13 ms 7168 KB Output is correct
20 Correct 26 ms 7780 KB Output is correct
21 Correct 38 ms 8532 KB Output is correct
22 Correct 39 ms 8432 KB Output is correct
23 Correct 37 ms 8528 KB Output is correct
24 Correct 39 ms 8528 KB Output is correct
25 Correct 40 ms 8528 KB Output is correct
26 Correct 39 ms 8528 KB Output is correct
27 Correct 38 ms 8352 KB Output is correct
28 Correct 38 ms 8532 KB Output is correct
29 Correct 46 ms 8448 KB Output is correct
30 Correct 39 ms 8532 KB Output is correct
31 Correct 2 ms 6492 KB Output is correct
32 Correct 1 ms 6488 KB Output is correct
33 Correct 1 ms 6488 KB Output is correct
34 Correct 2 ms 6488 KB Output is correct
35 Correct 2 ms 6504 KB Output is correct
36 Correct 1 ms 6492 KB Output is correct
37 Correct 6 ms 6828 KB Output is correct
38 Correct 4 ms 6748 KB Output is correct
39 Correct 8 ms 7260 KB Output is correct
40 Correct 19 ms 8028 KB Output is correct
41 Correct 35 ms 8852 KB Output is correct
42 Correct 32 ms 8784 KB Output is correct
43 Correct 32 ms 8784 KB Output is correct
44 Correct 34 ms 8788 KB Output is correct
45 Correct 31 ms 8788 KB Output is correct
46 Correct 31 ms 8784 KB Output is correct
47 Correct 31 ms 8804 KB Output is correct
48 Correct 33 ms 9052 KB Output is correct
49 Correct 30 ms 8780 KB Output is correct
50 Correct 32 ms 8784 KB Output is correct
51 Correct 31 ms 8788 KB Output is correct
52 Correct 31 ms 8796 KB Output is correct
53 Correct 31 ms 8784 KB Output is correct
54 Correct 31 ms 8784 KB Output is correct
55 Correct 31 ms 8788 KB Output is correct
56 Correct 31 ms 8796 KB Output is correct
57 Correct 30 ms 8784 KB Output is correct
58 Correct 32 ms 8784 KB Output is correct
59 Correct 31 ms 8800 KB Output is correct
60 Correct 31 ms 8784 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 2 ms 6744 KB Output is correct
3 Correct 2 ms 6612 KB Output is correct
4 Correct 2 ms 6744 KB Output is correct
5 Correct 1 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 6492 KB Output is correct
9 Correct 1 ms 6488 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 6488 KB Output is correct
14 Correct 12 ms 7004 KB Output is correct
15 Correct 22 ms 7772 KB Output is correct
16 Correct 35 ms 8488 KB Output is correct
17 Correct 31 ms 8788 KB Output is correct
18 Correct 37 ms 8280 KB Output is correct
19 Correct 34 ms 8284 KB Output is correct
20 Correct 33 ms 8540 KB Output is correct
21 Correct 34 ms 8528 KB Output is correct
22 Correct 35 ms 8284 KB Output is correct
23 Correct 34 ms 8312 KB Output is correct
24 Correct 34 ms 8528 KB Output is correct
25 Correct 33 ms 8276 KB Output is correct
26 Correct 1 ms 6492 KB Output is correct
27 Correct 1 ms 6492 KB Output is correct
28 Correct 3 ms 6492 KB Output is correct
29 Correct 13 ms 7168 KB Output is correct
30 Correct 26 ms 7780 KB Output is correct
31 Correct 38 ms 8532 KB Output is correct
32 Correct 39 ms 8432 KB Output is correct
33 Correct 37 ms 8528 KB Output is correct
34 Correct 39 ms 8528 KB Output is correct
35 Correct 40 ms 8528 KB Output is correct
36 Correct 39 ms 8528 KB Output is correct
37 Correct 38 ms 8352 KB Output is correct
38 Correct 38 ms 8532 KB Output is correct
39 Correct 46 ms 8448 KB Output is correct
40 Correct 39 ms 8532 KB Output is correct
41 Correct 2 ms 6492 KB Output is correct
42 Correct 1 ms 6488 KB Output is correct
43 Correct 1 ms 6488 KB Output is correct
44 Correct 2 ms 6488 KB Output is correct
45 Correct 2 ms 6504 KB Output is correct
46 Correct 1 ms 6492 KB Output is correct
47 Correct 6 ms 6828 KB Output is correct
48 Correct 4 ms 6748 KB Output is correct
49 Correct 8 ms 7260 KB Output is correct
50 Correct 19 ms 8028 KB Output is correct
51 Correct 35 ms 8852 KB Output is correct
52 Correct 32 ms 8784 KB Output is correct
53 Correct 32 ms 8784 KB Output is correct
54 Correct 34 ms 8788 KB Output is correct
55 Correct 31 ms 8788 KB Output is correct
56 Correct 31 ms 8784 KB Output is correct
57 Correct 31 ms 8804 KB Output is correct
58 Correct 33 ms 9052 KB Output is correct
59 Correct 30 ms 8780 KB Output is correct
60 Correct 32 ms 8784 KB Output is correct
61 Correct 31 ms 8788 KB Output is correct
62 Correct 31 ms 8796 KB Output is correct
63 Correct 31 ms 8784 KB Output is correct
64 Correct 31 ms 8784 KB Output is correct
65 Correct 31 ms 8788 KB Output is correct
66 Correct 31 ms 8796 KB Output is correct
67 Correct 30 ms 8784 KB Output is correct
68 Correct 32 ms 8784 KB Output is correct
69 Correct 31 ms 8800 KB Output is correct
70 Correct 31 ms 8784 KB Output is correct
71 Correct 4 ms 6748 KB Output is correct
72 Correct 4 ms 6840 KB Output is correct
73 Correct 4 ms 6748 KB Output is correct
74 Correct 5 ms 6728 KB Output is correct
75 Correct 4 ms 6748 KB Output is correct
76 Correct 7 ms 7248 KB Output is correct
77 Correct 7 ms 7260 KB Output is correct
78 Correct 7 ms 7260 KB Output is correct
79 Correct 7 ms 7260 KB Output is correct
80 Correct 7 ms 7260 KB Output is correct
81 Correct 13 ms 8028 KB Output is correct
82 Correct 12 ms 8028 KB Output is correct
83 Correct 13 ms 8260 KB Output is correct
84 Correct 12 ms 8028 KB Output is correct
85 Correct 13 ms 8072 KB Output is correct
86 Correct 15 ms 8256 KB Output is correct
87 Correct 14 ms 8284 KB Output is correct
88 Correct 14 ms 8256 KB Output is correct
89 Correct 14 ms 8284 KB Output is correct
90 Correct 14 ms 8264 KB Output is correct
91 Correct 19 ms 9556 KB Output is correct
92 Correct 20 ms 9560 KB Output is correct
93 Correct 19 ms 9564 KB Output is correct
94 Correct 20 ms 9564 KB Output is correct
95 Correct 20 ms 9556 KB Output is correct
96 Correct 22 ms 10068 KB Output is correct
97 Correct 27 ms 10064 KB Output is correct
98 Correct 22 ms 10064 KB Output is correct
99 Correct 22 ms 10068 KB Output is correct
100 Correct 22 ms 10064 KB Output is correct
101 Correct 22 ms 10072 KB Output is correct
102 Correct 23 ms 10076 KB Output is correct
103 Correct 22 ms 10180 KB Output is correct
104 Correct 22 ms 10068 KB Output is correct
105 Correct 23 ms 10072 KB Output is correct
106 Correct 22 ms 10328 KB Output is correct
107 Correct 23 ms 10328 KB Output is correct
108 Correct 22 ms 10332 KB Output is correct
109 Correct 22 ms 10324 KB Output is correct
110 Correct 22 ms 10528 KB Output is correct
111 Correct 22 ms 10332 KB Output is correct
112 Correct 22 ms 10540 KB Output is correct
113 Correct 22 ms 10384 KB Output is correct
114 Correct 22 ms 10324 KB Output is correct
115 Correct 25 ms 10608 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 2 ms 6744 KB Output is correct
3 Correct 2 ms 6612 KB Output is correct
4 Correct 2 ms 6744 KB Output is correct
5 Correct 1 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 6492 KB Output is correct
9 Correct 1 ms 6488 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 6488 KB Output is correct
14 Correct 12 ms 7004 KB Output is correct
15 Correct 22 ms 7772 KB Output is correct
16 Correct 35 ms 8488 KB Output is correct
17 Correct 31 ms 8788 KB Output is correct
18 Correct 37 ms 8280 KB Output is correct
19 Correct 34 ms 8284 KB Output is correct
20 Correct 33 ms 8540 KB Output is correct
21 Correct 34 ms 8528 KB Output is correct
22 Correct 35 ms 8284 KB Output is correct
23 Correct 34 ms 8312 KB Output is correct
24 Correct 34 ms 8528 KB Output is correct
25 Correct 33 ms 8276 KB Output is correct
26 Correct 1 ms 6492 KB Output is correct
27 Correct 1 ms 6492 KB Output is correct
28 Correct 3 ms 6492 KB Output is correct
29 Correct 13 ms 7168 KB Output is correct
30 Correct 26 ms 7780 KB Output is correct
31 Correct 38 ms 8532 KB Output is correct
32 Correct 39 ms 8432 KB Output is correct
33 Correct 37 ms 8528 KB Output is correct
34 Correct 39 ms 8528 KB Output is correct
35 Correct 40 ms 8528 KB Output is correct
36 Correct 39 ms 8528 KB Output is correct
37 Correct 38 ms 8352 KB Output is correct
38 Correct 38 ms 8532 KB Output is correct
39 Correct 46 ms 8448 KB Output is correct
40 Correct 39 ms 8532 KB Output is correct
41 Correct 2 ms 6492 KB Output is correct
42 Correct 1 ms 6488 KB Output is correct
43 Correct 1 ms 6488 KB Output is correct
44 Correct 2 ms 6488 KB Output is correct
45 Correct 2 ms 6504 KB Output is correct
46 Correct 1 ms 6492 KB Output is correct
47 Correct 6 ms 6828 KB Output is correct
48 Correct 4 ms 6748 KB Output is correct
49 Correct 8 ms 7260 KB Output is correct
50 Correct 19 ms 8028 KB Output is correct
51 Correct 35 ms 8852 KB Output is correct
52 Correct 32 ms 8784 KB Output is correct
53 Correct 32 ms 8784 KB Output is correct
54 Correct 34 ms 8788 KB Output is correct
55 Correct 31 ms 8788 KB Output is correct
56 Correct 31 ms 8784 KB Output is correct
57 Correct 31 ms 8804 KB Output is correct
58 Correct 33 ms 9052 KB Output is correct
59 Correct 30 ms 8780 KB Output is correct
60 Correct 32 ms 8784 KB Output is correct
61 Correct 31 ms 8788 KB Output is correct
62 Correct 31 ms 8796 KB Output is correct
63 Correct 31 ms 8784 KB Output is correct
64 Correct 31 ms 8784 KB Output is correct
65 Correct 31 ms 8788 KB Output is correct
66 Correct 31 ms 8796 KB Output is correct
67 Correct 30 ms 8784 KB Output is correct
68 Correct 32 ms 8784 KB Output is correct
69 Correct 31 ms 8800 KB Output is correct
70 Correct 31 ms 8784 KB Output is correct
71 Correct 4 ms 6748 KB Output is correct
72 Correct 4 ms 6840 KB Output is correct
73 Correct 4 ms 6748 KB Output is correct
74 Correct 5 ms 6728 KB Output is correct
75 Correct 4 ms 6748 KB Output is correct
76 Correct 7 ms 7248 KB Output is correct
77 Correct 7 ms 7260 KB Output is correct
78 Correct 7 ms 7260 KB Output is correct
79 Correct 7 ms 7260 KB Output is correct
80 Correct 7 ms 7260 KB Output is correct
81 Correct 13 ms 8028 KB Output is correct
82 Correct 12 ms 8028 KB Output is correct
83 Correct 13 ms 8260 KB Output is correct
84 Correct 12 ms 8028 KB Output is correct
85 Correct 13 ms 8072 KB Output is correct
86 Correct 15 ms 8256 KB Output is correct
87 Correct 14 ms 8284 KB Output is correct
88 Correct 14 ms 8256 KB Output is correct
89 Correct 14 ms 8284 KB Output is correct
90 Correct 14 ms 8264 KB Output is correct
91 Correct 19 ms 9556 KB Output is correct
92 Correct 20 ms 9560 KB Output is correct
93 Correct 19 ms 9564 KB Output is correct
94 Correct 20 ms 9564 KB Output is correct
95 Correct 20 ms 9556 KB Output is correct
96 Correct 22 ms 10068 KB Output is correct
97 Correct 27 ms 10064 KB Output is correct
98 Correct 22 ms 10064 KB Output is correct
99 Correct 22 ms 10068 KB Output is correct
100 Correct 22 ms 10064 KB Output is correct
101 Correct 22 ms 10072 KB Output is correct
102 Correct 23 ms 10076 KB Output is correct
103 Correct 22 ms 10180 KB Output is correct
104 Correct 22 ms 10068 KB Output is correct
105 Correct 23 ms 10072 KB Output is correct
106 Correct 22 ms 10328 KB Output is correct
107 Correct 23 ms 10328 KB Output is correct
108 Correct 22 ms 10332 KB Output is correct
109 Correct 22 ms 10324 KB Output is correct
110 Correct 22 ms 10528 KB Output is correct
111 Correct 22 ms 10332 KB Output is correct
112 Correct 22 ms 10540 KB Output is correct
113 Correct 22 ms 10384 KB Output is correct
114 Correct 22 ms 10324 KB Output is correct
115 Correct 25 ms 10608 KB Output is correct
116 Correct 771 ms 7508 KB Output is correct
117 Correct 556 ms 7504 KB Output is correct
118 Runtime error 206 ms 13904 KB Execution killed with signal 11
119 Halted 0 ms 0 KB -