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답안 #576877

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
576877 2022-06-13T17:01:15 Z amunduzbaev Diversity (CEOI21_diversity) C++17
64 / 100
 7000 ms 7580 KB 
#include "bits/stdc++.h"
using namespace std;
 
#define ar array
#define ll int64_t
 
const int N = 3e5 + 5;
const int Q = 5e4 + 5;
const int B = 550;
int a[N], l[Q], r[Q];
int cnt[N], mm[N];
ll res[Q], dp[N];
 
signed main(){
	ios::sync_with_stdio(0); cin.tie(0);
	
	int n, q; cin>>n>>q;
	vector<int> p;
	for(int i=0;i<n;i++){
		cin>>a[i];
	}
	for(int i=1;i<N;i++){
		dp[i] = dp[i-1] + (i * 1ll * (i - 1) / 2);
	}
	for(int i=0;i<q;i++){
		cin>>l[i]>>r[i];
		l[i]--;
		p.push_back(i);
	}
	sort(p.begin(), p.end(), [&](int i, int j){
		if(l[i] / B != l[j] / B){
			return l[i] < l[j];
		} 
		return r[i] < r[j];
	});
	
	set<int> ss;
	auto add = [&](int i){
		if(cnt[a[i]]){
			mm[cnt[a[i]]]--;
			if(!mm[cnt[a[i]]]) ss.erase(cnt[a[i]]);
		} 
		cnt[a[i]]++;
		if(!mm[cnt[a[i]]]) ss.insert(cnt[a[i]]);
		mm[cnt[a[i]]]++;
	};
	auto del = [&](int i){
		//~ assert(cnt[a[i]]);
		mm[cnt[a[i]]]--;
		if(!mm[cnt[a[i]]]) ss.erase(cnt[a[i]]);
		cnt[a[i]]--;
		if(cnt[a[i]]){
			if(!mm[cnt[a[i]]]) ss.insert(cnt[a[i]]);
			mm[cnt[a[i]]]++;
		}
	};
	
	int lx = 0, rx = 0;
	for(auto i : p){
		if(rx > r[i]){ 
			ss.clear();
			lx = rx = l[i];
			memset(cnt, 0, sizeof cnt);
			memset(mm, 0, sizeof mm);
		}
		while(rx < r[i]){
			add(rx++);
		}
		while(lx > l[i]){
			add(--lx);
		}
		while(lx < l[i]){
			del(lx++);
		}
		
		int ls = 0, rs = 0;
		vector<ar<ll, 2>> L, R;
		for(auto v : ss){
			int c = mm[v];
			int b = (c + 1) / 2, s = c / 2;
			if(ls > rs) swap(b, s);
			if(b) L.push_back({v, b}), ls += b;
			if(s) R.push_back({v, s}), rs += s;
		}
		reverse(R.begin(), R.end());
		L.insert(L.end(), R.begin(), R.end());
		ll sum = 0, sumj = 0, p = 0;
		for(auto [v, c] : L){
			ll C = p * c + c * (c - 1) / 2;
			res[i] = res[i] + v * C * sum - v * c * sumj;
			res[i] += dp[c] * v * v;
			sumj += v * C;
			sum += v * c;
			p += c;
		}
		
		res[i] += sum * (sum + 1) / 2;
	}
	
	for(int i=0;i<q;i++) cout<<res[i]<<"\n";
}

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 2 ms 2644 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 3 ms 2644 KB Output is correct
4 Correct 15 ms 3196 KB Output is correct
5 Correct 32 ms 3672 KB Output is correct
6 Correct 43 ms 4024 KB Output is correct
7 Correct 37 ms 4428 KB Output is correct
8 Correct 46 ms 3996 KB Output is correct
9 Correct 43 ms 4056 KB Output is correct
10 Correct 43 ms 4140 KB Output is correct
11 Correct 43 ms 4036 KB Output is correct
12 Correct 43 ms 4016 KB Output is correct
13 Correct 42 ms 3936 KB Output is correct
14 Correct 43 ms 4044 KB Output is correct
15 Correct 42 ms 4060 KB Output is correct

Subtask #3
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 3 ms 2644 KB Output is correct
4 Correct 15 ms 3196 KB Output is correct
5 Correct 32 ms 3672 KB Output is correct
6 Correct 43 ms 4024 KB Output is correct
7 Correct 37 ms 4428 KB Output is correct
8 Correct 46 ms 3996 KB Output is correct
9 Correct 43 ms 4056 KB Output is correct
10 Correct 43 ms 4140 KB Output is correct
11 Correct 43 ms 4036 KB Output is correct
12 Correct 43 ms 4016 KB Output is correct
13 Correct 42 ms 3936 KB Output is correct
14 Correct 43 ms 4044 KB Output is correct
15 Correct 42 ms 4060 KB Output is correct
16 Correct 2 ms 2644 KB Output is correct
17 Correct 3 ms 2644 KB Output is correct
18 Correct 4 ms 2644 KB Output is correct
19 Correct 17 ms 3120 KB Output is correct
20 Correct 33 ms 3576 KB Output is correct
21 Correct 53 ms 4048 KB Output is correct
22 Correct 49 ms 3916 KB Output is correct
23 Correct 48 ms 4116 KB Output is correct
24 Correct 48 ms 3880 KB Output is correct
25 Correct 49 ms 4036 KB Output is correct
26 Correct 49 ms 3892 KB Output is correct
27 Correct 51 ms 4016 KB Output is correct
28 Correct 47 ms 4052 KB Output is correct
29 Correct 49 ms 4000 KB Output is correct
30 Correct 49 ms 4008 KB Output is correct

Subtask #4
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 3 ms 2644 KB Output is correct
4 Correct 15 ms 3196 KB Output is correct
5 Correct 32 ms 3672 KB Output is correct
6 Correct 43 ms 4024 KB Output is correct
7 Correct 37 ms 4428 KB Output is correct
8 Correct 46 ms 3996 KB Output is correct
9 Correct 43 ms 4056 KB Output is correct
10 Correct 43 ms 4140 KB Output is correct
11 Correct 43 ms 4036 KB Output is correct
12 Correct 43 ms 4016 KB Output is correct
13 Correct 42 ms 3936 KB Output is correct
14 Correct 43 ms 4044 KB Output is correct
15 Correct 42 ms 4060 KB Output is correct
16 Correct 2 ms 2644 KB Output is correct
17 Correct 3 ms 2644 KB Output is correct
18 Correct 4 ms 2644 KB Output is correct
19 Correct 17 ms 3120 KB Output is correct
20 Correct 33 ms 3576 KB Output is correct
21 Correct 53 ms 4048 KB Output is correct
22 Correct 49 ms 3916 KB Output is correct
23 Correct 48 ms 4116 KB Output is correct
24 Correct 48 ms 3880 KB Output is correct
25 Correct 49 ms 4036 KB Output is correct
26 Correct 49 ms 3892 KB Output is correct
27 Correct 51 ms 4016 KB Output is correct
28 Correct 47 ms 4052 KB Output is correct
29 Correct 49 ms 4000 KB Output is correct
30 Correct 49 ms 4008 KB Output is correct
31 Correct 2 ms 2644 KB Output is correct
32 Correct 2 ms 2644 KB Output is correct
33 Correct 2 ms 2644 KB Output is correct
34 Correct 4 ms 2644 KB Output is correct
35 Correct 3 ms 2644 KB Output is correct
36 Correct 3 ms 2644 KB Output is correct
37 Correct 7 ms 2900 KB Output is correct
38 Correct 5 ms 2936 KB Output is correct
39 Correct 12 ms 3028 KB Output is correct
40 Correct 23 ms 3532 KB Output is correct
41 Correct 40 ms 3888 KB Output is correct
42 Correct 38 ms 3856 KB Output is correct
43 Correct 39 ms 3932 KB Output is correct
44 Correct 38 ms 3900 KB Output is correct
45 Correct 41 ms 3884 KB Output is correct
46 Correct 37 ms 3884 KB Output is correct
47 Correct 37 ms 3916 KB Output is correct
48 Correct 37 ms 3916 KB Output is correct
49 Correct 37 ms 3900 KB Output is correct
50 Correct 39 ms 3920 KB Output is correct
51 Correct 41 ms 3892 KB Output is correct
52 Correct 37 ms 3900 KB Output is correct
53 Correct 40 ms 3900 KB Output is correct
54 Correct 39 ms 3896 KB Output is correct
55 Correct 39 ms 3884 KB Output is correct
56 Correct 40 ms 3880 KB Output is correct
57 Correct 37 ms 3896 KB Output is correct
58 Correct 38 ms 3828 KB Output is correct
59 Correct 38 ms 3916 KB Output is correct
60 Correct 43 ms 3884 KB Output is correct

Subtask #5
26.0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 2 ms 2644 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 2 ms 2644 KB Output is correct
12 Correct 2 ms 2644 KB Output is correct
13 Correct 3 ms 2644 KB Output is correct
14 Correct 15 ms 3196 KB Output is correct
15 Correct 32 ms 3672 KB Output is correct
16 Correct 43 ms 4024 KB Output is correct
17 Correct 37 ms 4428 KB Output is correct
18 Correct 46 ms 3996 KB Output is correct
19 Correct 43 ms 4056 KB Output is correct
20 Correct 43 ms 4140 KB Output is correct
21 Correct 43 ms 4036 KB Output is correct
22 Correct 43 ms 4016 KB Output is correct
23 Correct 42 ms 3936 KB Output is correct
24 Correct 43 ms 4044 KB Output is correct
25 Correct 42 ms 4060 KB Output is correct
26 Correct 2 ms 2644 KB Output is correct
27 Correct 3 ms 2644 KB Output is correct
28 Correct 4 ms 2644 KB Output is correct
29 Correct 17 ms 3120 KB Output is correct
30 Correct 33 ms 3576 KB Output is correct
31 Correct 53 ms 4048 KB Output is correct
32 Correct 49 ms 3916 KB Output is correct
33 Correct 48 ms 4116 KB Output is correct
34 Correct 48 ms 3880 KB Output is correct
35 Correct 49 ms 4036 KB Output is correct
36 Correct 49 ms 3892 KB Output is correct
37 Correct 51 ms 4016 KB Output is correct
38 Correct 47 ms 4052 KB Output is correct
39 Correct 49 ms 4000 KB Output is correct
40 Correct 49 ms 4008 KB Output is correct
41 Correct 2 ms 2644 KB Output is correct
42 Correct 2 ms 2644 KB Output is correct
43 Correct 2 ms 2644 KB Output is correct
44 Correct 4 ms 2644 KB Output is correct
45 Correct 3 ms 2644 KB Output is correct
46 Correct 3 ms 2644 KB Output is correct
47 Correct 7 ms 2900 KB Output is correct
48 Correct 5 ms 2936 KB Output is correct
49 Correct 12 ms 3028 KB Output is correct
50 Correct 23 ms 3532 KB Output is correct
51 Correct 40 ms 3888 KB Output is correct
52 Correct 38 ms 3856 KB Output is correct
53 Correct 39 ms 3932 KB Output is correct
54 Correct 38 ms 3900 KB Output is correct
55 Correct 41 ms 3884 KB Output is correct
56 Correct 37 ms 3884 KB Output is correct
57 Correct 37 ms 3916 KB Output is correct
58 Correct 37 ms 3916 KB Output is correct
59 Correct 37 ms 3900 KB Output is correct
60 Correct 39 ms 3920 KB Output is correct
61 Correct 41 ms 3892 KB Output is correct
62 Correct 37 ms 3900 KB Output is correct
63 Correct 40 ms 3900 KB Output is correct
64 Correct 39 ms 3896 KB Output is correct
65 Correct 39 ms 3884 KB Output is correct
66 Correct 40 ms 3880 KB Output is correct
67 Correct 37 ms 3896 KB Output is correct
68 Correct 38 ms 3828 KB Output is correct
69 Correct 38 ms 3916 KB Output is correct
70 Correct 43 ms 3884 KB Output is correct
71 Correct 5 ms 2900 KB Output is correct
72 Correct 5 ms 2928 KB Output is correct
73 Correct 6 ms 2808 KB Output is correct
74 Correct 6 ms 2908 KB Output is correct
75 Correct 7 ms 2900 KB Output is correct
76 Correct 10 ms 3028 KB Output is correct
77 Correct 9 ms 3028 KB Output is correct
78 Correct 9 ms 3100 KB Output is correct
79 Correct 9 ms 3028 KB Output is correct
80 Correct 9 ms 3084 KB Output is correct
81 Correct 19 ms 3472 KB Output is correct
82 Correct 15 ms 3420 KB Output is correct
83 Correct 16 ms 3440 KB Output is correct
84 Correct 16 ms 3524 KB Output is correct
85 Correct 16 ms 3540 KB Output is correct
86 Correct 18 ms 3588 KB Output is correct
87 Correct 18 ms 3556 KB Output is correct
88 Correct 18 ms 3540 KB Output is correct
89 Correct 18 ms 3560 KB Output is correct
90 Correct 18 ms 3504 KB Output is correct
91 Correct 28 ms 4232 KB Output is correct
92 Correct 25 ms 4236 KB Output is correct
93 Correct 26 ms 4172 KB Output is correct
94 Correct 27 ms 4196 KB Output is correct
95 Correct 26 ms 4144 KB Output is correct
96 Correct 31 ms 4540 KB Output is correct
97 Correct 29 ms 4548 KB Output is correct
98 Correct 29 ms 4648 KB Output is correct
99 Correct 33 ms 4564 KB Output is correct
100 Correct 30 ms 4572 KB Output is correct
101 Correct 37 ms 4600 KB Output is correct
102 Correct 31 ms 4564 KB Output is correct
103 Correct 30 ms 4564 KB Output is correct
104 Correct 29 ms 4596 KB Output is correct
105 Correct 30 ms 4632 KB Output is correct
106 Correct 29 ms 4836 KB Output is correct
107 Correct 29 ms 4832 KB Output is correct
108 Correct 30 ms 4848 KB Output is correct
109 Correct 28 ms 4820 KB Output is correct
110 Correct 30 ms 4820 KB Output is correct
111 Correct 29 ms 4816 KB Output is correct
112 Correct 30 ms 4724 KB Output is correct
113 Correct 30 ms 4772 KB Output is correct
114 Correct 30 ms 4820 KB Output is correct
115 Correct 30 ms 4820 KB Output is correct

Subtask #6
0 / 36.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 2 ms 2644 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 2 ms 2644 KB Output is correct
12 Correct 2 ms 2644 KB Output is correct
13 Correct 3 ms 2644 KB Output is correct
14 Correct 15 ms 3196 KB Output is correct
15 Correct 32 ms 3672 KB Output is correct
16 Correct 43 ms 4024 KB Output is correct
17 Correct 37 ms 4428 KB Output is correct
18 Correct 46 ms 3996 KB Output is correct
19 Correct 43 ms 4056 KB Output is correct
20 Correct 43 ms 4140 KB Output is correct
21 Correct 43 ms 4036 KB Output is correct
22 Correct 43 ms 4016 KB Output is correct
23 Correct 42 ms 3936 KB Output is correct
24 Correct 43 ms 4044 KB Output is correct
25 Correct 42 ms 4060 KB Output is correct
26 Correct 2 ms 2644 KB Output is correct
27 Correct 3 ms 2644 KB Output is correct
28 Correct 4 ms 2644 KB Output is correct
29 Correct 17 ms 3120 KB Output is correct
30 Correct 33 ms 3576 KB Output is correct
31 Correct 53 ms 4048 KB Output is correct
32 Correct 49 ms 3916 KB Output is correct
33 Correct 48 ms 4116 KB Output is correct
34 Correct 48 ms 3880 KB Output is correct
35 Correct 49 ms 4036 KB Output is correct
36 Correct 49 ms 3892 KB Output is correct
37 Correct 51 ms 4016 KB Output is correct
38 Correct 47 ms 4052 KB Output is correct
39 Correct 49 ms 4000 KB Output is correct
40 Correct 49 ms 4008 KB Output is correct
41 Correct 2 ms 2644 KB Output is correct
42 Correct 2 ms 2644 KB Output is correct
43 Correct 2 ms 2644 KB Output is correct
44 Correct 4 ms 2644 KB Output is correct
45 Correct 3 ms 2644 KB Output is correct
46 Correct 3 ms 2644 KB Output is correct
47 Correct 7 ms 2900 KB Output is correct
48 Correct 5 ms 2936 KB Output is correct
49 Correct 12 ms 3028 KB Output is correct
50 Correct 23 ms 3532 KB Output is correct
51 Correct 40 ms 3888 KB Output is correct
52 Correct 38 ms 3856 KB Output is correct
53 Correct 39 ms 3932 KB Output is correct
54 Correct 38 ms 3900 KB Output is correct
55 Correct 41 ms 3884 KB Output is correct
56 Correct 37 ms 3884 KB Output is correct
57 Correct 37 ms 3916 KB Output is correct
58 Correct 37 ms 3916 KB Output is correct
59 Correct 37 ms 3900 KB Output is correct
60 Correct 39 ms 3920 KB Output is correct
61 Correct 41 ms 3892 KB Output is correct
62 Correct 37 ms 3900 KB Output is correct
63 Correct 40 ms 3900 KB Output is correct
64 Correct 39 ms 3896 KB Output is correct
65 Correct 39 ms 3884 KB Output is correct
66 Correct 40 ms 3880 KB Output is correct
67 Correct 37 ms 3896 KB Output is correct
68 Correct 38 ms 3828 KB Output is correct
69 Correct 38 ms 3916 KB Output is correct
70 Correct 43 ms 3884 KB Output is correct
71 Correct 5 ms 2900 KB Output is correct
72 Correct 5 ms 2928 KB Output is correct
73 Correct 6 ms 2808 KB Output is correct
74 Correct 6 ms 2908 KB Output is correct
75 Correct 7 ms 2900 KB Output is correct
76 Correct 10 ms 3028 KB Output is correct
77 Correct 9 ms 3028 KB Output is correct
78 Correct 9 ms 3100 KB Output is correct
79 Correct 9 ms 3028 KB Output is correct
80 Correct 9 ms 3084 KB Output is correct
81 Correct 19 ms 3472 KB Output is correct
82 Correct 15 ms 3420 KB Output is correct
83 Correct 16 ms 3440 KB Output is correct
84 Correct 16 ms 3524 KB Output is correct
85 Correct 16 ms 3540 KB Output is correct
86 Correct 18 ms 3588 KB Output is correct
87 Correct 18 ms 3556 KB Output is correct
88 Correct 18 ms 3540 KB Output is correct
89 Correct 18 ms 3560 KB Output is correct
90 Correct 18 ms 3504 KB Output is correct
91 Correct 28 ms 4232 KB Output is correct
92 Correct 25 ms 4236 KB Output is correct
93 Correct 26 ms 4172 KB Output is correct
94 Correct 27 ms 4196 KB Output is correct
95 Correct 26 ms 4144 KB Output is correct
96 Correct 31 ms 4540 KB Output is correct
97 Correct 29 ms 4548 KB Output is correct
98 Correct 29 ms 4648 KB Output is correct
99 Correct 33 ms 4564 KB Output is correct
100 Correct 30 ms 4572 KB Output is correct
101 Correct 37 ms 4600 KB Output is correct
102 Correct 31 ms 4564 KB Output is correct
103 Correct 30 ms 4564 KB Output is correct
104 Correct 29 ms 4596 KB Output is correct
105 Correct 30 ms 4632 KB Output is correct
106 Correct 29 ms 4836 KB Output is correct
107 Correct 29 ms 4832 KB Output is correct
108 Correct 30 ms 4848 KB Output is correct
109 Correct 28 ms 4820 KB Output is correct
110 Correct 30 ms 4820 KB Output is correct
111 Correct 29 ms 4816 KB Output is correct
112 Correct 30 ms 4724 KB Output is correct
113 Correct 30 ms 4772 KB Output is correct
114 Correct 30 ms 4820 KB Output is correct
115 Correct 30 ms 4820 KB Output is correct
116 Correct 949 ms 6656 KB Output is correct
117 Correct 710 ms 6560 KB Output is correct
118 Correct 1370 ms 6836 KB Output is correct
119 Correct 581 ms 6832 KB Output is correct
120 Correct 341 ms 6836 KB Output is correct
121 Correct 724 ms 7120 KB Output is correct
122 Correct 419 ms 7052 KB Output is correct
123 Correct 2218 ms 7552 KB Output is correct
124 Correct 621 ms 7504 KB Output is correct
125 Correct 496 ms 7580 KB Output is correct
126 Execution timed out 7049 ms 7296 KB Time limit exceeded
127 Halted 0 ms 0 KB -