답안 #592392

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
592392	2022-07-09T06:43:35 Z	SeDunion	Diversity (CEOI21_diversity)	C++17	64 / 100	238 ms	20344 KB

diversity

#include <iostream>
#include <cassert>
#include <iomanip>
#include <algorithm>
#include <string>
#include <bitset> 
#include <vector>
#include <cmath>
#include <deque>
#include <queue>
#include <stack>
#include <map>
#include <set>
#ifndef LOCAL
	#include <bits/stdc++.h>
	#define cerr if(false)cerr
#endif
 
using namespace std;
using ll = long long;
 
const int N = 1e6 + 66;
 
ll a[N], n;
 
ll pref[N];

/*
summa(a[i]*(a[i]+1)/2 + a[i]*pref[i-1]*(i+1) - a[i]*(pref[n-1]-pref[i])*i)
summa((a[i]^2+a[i])/2 + a[i]*pref[i-1]*i+a[i]*pref[i-1] - a[i]*(pref[n-1]-pref[i])*i)
summa((a[i]^2+a[i])/2 + a[i]*pref[i]*i-a[i]^2*i + a[i]*pref[i-1] - a[i]*(pref[n-1]-pref[i])*i)
summa((a[i]^2+a[i])/2 + a[i]*pref[i]*i-a[i]^2*i + a[i]*pref[i]-a[i]^2 - a[i]*(pref[n-1]-pref[i])*i)
summa((a[i]^2+a[i])/2 + a[i]*pref[i]*i-a[i]^2*i + a[i]*pref[i]-a[i]^2 - a[i]*pref[n-1]*i - a[i]*pref[i]*i)
summa((a[i]^2+a[i])/2 + a[i]*pref[i]*i - a[i]^2*i + a[i]*pref[i]-a[i]^2 - a[i]*pref[n-1]*i - a[i]*pref[i]*i)
summa(a[i]/2 + a[i]*pref[i]*(i+1) - a[i]^2*i - a[i]^2/2 - a[i]*pref[n-1]*i - a[i]*pref[i]*i)
summa(a[i]/2 + a[i]*pref[i] - a[i]^2*i - a[i]^2/2 - a[i]*pref[n-1]*i)
summa(a[i]/2 + a[i]*pref[i] - a[i]^2*i - a[i]^2/2 - a[i]*pref[n-1]*i)
 */

ll f(ll s) { return s * (s + 1) / 2; }

ll solve() {
	ll ans = 0;
	for (int i = 0 ; i < n ; ++ i) {
		pref[i] = a[i];
		if (i) pref[i] += pref[i - 1];
	}
	for (int i = 0 ; i < n ; ++ i) {
		if (i) ans += f(pref[i - 1]);
		ans += f(pref[n - 1] - pref[i]);
	}
	ll C = n * f(pref[n-1]);
	return C-ans;
}
 
int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int q;
	cin >> n >> q;
	for (int i = 0 ; i < n ; ++ i) cin >> a[i];
	cin >> q >> q;
	map<int,int>mp;
	for (int i = 0 ; i < n ; ++ i) mp[a[i]]++;
	vector<int>freq;
	for (auto [f, s] : mp) freq.emplace_back(s);
	sort(freq.rbegin(), freq.rend());
	deque<int>p;
	for (int i : freq) {
		if ((int)p.size() & 1) p.push_back(i);
		else p.push_front(i);
	}
	n = p.size();
	for (int i = 0 ; i < n ; ++ i) a[i] = p[i];
	cout << solve();
}

Subtask #1
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	0 ms	336 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	0 ms	340 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	11 ms	1264 KB	Output is correct
5	Correct	14 ms	2264 KB	Output is correct
6	Correct	25 ms	3340 KB	Output is correct
7	Correct	17 ms	3196 KB	Output is correct
8	Correct	20 ms	3264 KB	Output is correct
9	Correct	20 ms	3276 KB	Output is correct
10	Correct	21 ms	3252 KB	Output is correct
11	Correct	20 ms	3260 KB	Output is correct
12	Correct	21 ms	3256 KB	Output is correct
13	Correct	27 ms	3284 KB	Output is correct
14	Correct	20 ms	3316 KB	Output is correct
15	Correct	20 ms	3284 KB	Output is correct

Subtask #3
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	11 ms	1264 KB	Output is correct
5	Correct	14 ms	2264 KB	Output is correct
6	Correct	25 ms	3340 KB	Output is correct
7	Correct	17 ms	3196 KB	Output is correct
8	Correct	20 ms	3264 KB	Output is correct
9	Correct	20 ms	3276 KB	Output is correct
10	Correct	21 ms	3252 KB	Output is correct
11	Correct	20 ms	3260 KB	Output is correct
12	Correct	21 ms	3256 KB	Output is correct
13	Correct	27 ms	3284 KB	Output is correct
14	Correct	20 ms	3316 KB	Output is correct
15	Correct	20 ms	3284 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	2 ms	340 KB	Output is correct
19	Correct	10 ms	1368 KB	Output is correct
20	Correct	19 ms	2388 KB	Output is correct
21	Correct	23 ms	3392 KB	Output is correct
22	Correct	25 ms	3412 KB	Output is correct
23	Correct	29 ms	3404 KB	Output is correct
24	Correct	22 ms	3404 KB	Output is correct
25	Correct	23 ms	3448 KB	Output is correct
26	Correct	23 ms	3348 KB	Output is correct
27	Correct	24 ms	3416 KB	Output is correct
28	Correct	29 ms	3328 KB	Output is correct
29	Correct	26 ms	3360 KB	Output is correct
30	Correct	24 ms	3432 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	11 ms	1264 KB	Output is correct
5	Correct	14 ms	2264 KB	Output is correct
6	Correct	25 ms	3340 KB	Output is correct
7	Correct	17 ms	3196 KB	Output is correct
8	Correct	20 ms	3264 KB	Output is correct
9	Correct	20 ms	3276 KB	Output is correct
10	Correct	21 ms	3252 KB	Output is correct
11	Correct	20 ms	3260 KB	Output is correct
12	Correct	21 ms	3256 KB	Output is correct
13	Correct	27 ms	3284 KB	Output is correct
14	Correct	20 ms	3316 KB	Output is correct
15	Correct	20 ms	3284 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	2 ms	340 KB	Output is correct
19	Correct	10 ms	1368 KB	Output is correct
20	Correct	19 ms	2388 KB	Output is correct
21	Correct	23 ms	3392 KB	Output is correct
22	Correct	25 ms	3412 KB	Output is correct
23	Correct	29 ms	3404 KB	Output is correct
24	Correct	22 ms	3404 KB	Output is correct
25	Correct	23 ms	3448 KB	Output is correct
26	Correct	23 ms	3348 KB	Output is correct
27	Correct	24 ms	3416 KB	Output is correct
28	Correct	29 ms	3328 KB	Output is correct
29	Correct	26 ms	3360 KB	Output is correct
30	Correct	24 ms	3432 KB	Output is correct
31	Correct	1 ms	340 KB	Output is correct
32	Correct	1 ms	340 KB	Output is correct
33	Correct	1 ms	340 KB	Output is correct
34	Correct	1 ms	340 KB	Output is correct
35	Correct	2 ms	468 KB	Output is correct
36	Correct	3 ms	468 KB	Output is correct
37	Correct	6 ms	872 KB	Output is correct
38	Correct	6 ms	872 KB	Output is correct
39	Correct	14 ms	1512 KB	Output is correct
40	Correct	32 ms	2644 KB	Output is correct
41	Correct	38 ms	3788 KB	Output is correct
42	Correct	37 ms	3880 KB	Output is correct
43	Correct	36 ms	3856 KB	Output is correct
44	Correct	36 ms	3868 KB	Output is correct
45	Correct	37 ms	3872 KB	Output is correct
46	Correct	35 ms	3804 KB	Output is correct
47	Correct	35 ms	3792 KB	Output is correct
48	Correct	48 ms	3860 KB	Output is correct
49	Correct	46 ms	3864 KB	Output is correct
50	Correct	41 ms	3800 KB	Output is correct
51	Correct	36 ms	3792 KB	Output is correct
52	Correct	40 ms	3872 KB	Output is correct
53	Correct	37 ms	3864 KB	Output is correct
54	Correct	36 ms	3796 KB	Output is correct
55	Correct	36 ms	3792 KB	Output is correct
56	Correct	35 ms	3880 KB	Output is correct
57	Correct	42 ms	3820 KB	Output is correct
58	Correct	39 ms	3864 KB	Output is correct
59	Correct	39 ms	3784 KB	Output is correct
60	Correct	38 ms	3800 KB	Output is correct

Subtask #5
26.0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	0 ms	336 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	0 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	11 ms	1264 KB	Output is correct
15	Correct	14 ms	2264 KB	Output is correct
16	Correct	25 ms	3340 KB	Output is correct
17	Correct	17 ms	3196 KB	Output is correct
18	Correct	20 ms	3264 KB	Output is correct
19	Correct	20 ms	3276 KB	Output is correct
20	Correct	21 ms	3252 KB	Output is correct
21	Correct	20 ms	3260 KB	Output is correct
22	Correct	21 ms	3256 KB	Output is correct
23	Correct	27 ms	3284 KB	Output is correct
24	Correct	20 ms	3316 KB	Output is correct
25	Correct	20 ms	3284 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	340 KB	Output is correct
28	Correct	2 ms	340 KB	Output is correct
29	Correct	10 ms	1368 KB	Output is correct
30	Correct	19 ms	2388 KB	Output is correct
31	Correct	23 ms	3392 KB	Output is correct
32	Correct	25 ms	3412 KB	Output is correct
33	Correct	29 ms	3404 KB	Output is correct
34	Correct	22 ms	3404 KB	Output is correct
35	Correct	23 ms	3448 KB	Output is correct
36	Correct	23 ms	3348 KB	Output is correct
37	Correct	24 ms	3416 KB	Output is correct
38	Correct	29 ms	3328 KB	Output is correct
39	Correct	26 ms	3360 KB	Output is correct
40	Correct	24 ms	3432 KB	Output is correct
41	Correct	1 ms	340 KB	Output is correct
42	Correct	1 ms	340 KB	Output is correct
43	Correct	1 ms	340 KB	Output is correct
44	Correct	1 ms	340 KB	Output is correct
45	Correct	2 ms	468 KB	Output is correct
46	Correct	3 ms	468 KB	Output is correct
47	Correct	6 ms	872 KB	Output is correct
48	Correct	6 ms	872 KB	Output is correct
49	Correct	14 ms	1512 KB	Output is correct
50	Correct	32 ms	2644 KB	Output is correct
51	Correct	38 ms	3788 KB	Output is correct
52	Correct	37 ms	3880 KB	Output is correct
53	Correct	36 ms	3856 KB	Output is correct
54	Correct	36 ms	3868 KB	Output is correct
55	Correct	37 ms	3872 KB	Output is correct
56	Correct	35 ms	3804 KB	Output is correct
57	Correct	35 ms	3792 KB	Output is correct
58	Correct	48 ms	3860 KB	Output is correct
59	Correct	46 ms	3864 KB	Output is correct
60	Correct	41 ms	3800 KB	Output is correct
61	Correct	36 ms	3792 KB	Output is correct
62	Correct	40 ms	3872 KB	Output is correct
63	Correct	37 ms	3864 KB	Output is correct
64	Correct	36 ms	3796 KB	Output is correct
65	Correct	36 ms	3792 KB	Output is correct
66	Correct	35 ms	3880 KB	Output is correct
67	Correct	42 ms	3820 KB	Output is correct
68	Correct	39 ms	3864 KB	Output is correct
69	Correct	39 ms	3784 KB	Output is correct
70	Correct	38 ms	3800 KB	Output is correct
71	Correct	9 ms	1008 KB	Output is correct
72	Correct	7 ms	980 KB	Output is correct
73	Correct	8 ms	996 KB	Output is correct
74	Correct	8 ms	1048 KB	Output is correct
75	Correct	8 ms	980 KB	Output is correct
76	Correct	16 ms	1876 KB	Output is correct
77	Correct	16 ms	1912 KB	Output is correct
78	Correct	21 ms	1868 KB	Output is correct
79	Correct	18 ms	1840 KB	Output is correct
80	Correct	17 ms	1888 KB	Output is correct
81	Correct	37 ms	3416 KB	Output is correct
82	Correct	36 ms	3448 KB	Output is correct
83	Correct	37 ms	3444 KB	Output is correct
84	Correct	35 ms	3424 KB	Output is correct
85	Correct	36 ms	3432 KB	Output is correct
86	Correct	56 ms	4140 KB	Output is correct
87	Correct	54 ms	4176 KB	Output is correct
88	Correct	46 ms	4232 KB	Output is correct
89	Correct	45 ms	4300 KB	Output is correct
90	Correct	45 ms	4256 KB	Output is correct
91	Correct	109 ms	10612 KB	Output is correct
92	Correct	101 ms	10648 KB	Output is correct
93	Correct	105 ms	10632 KB	Output is correct
94	Correct	111 ms	10684 KB	Output is correct
95	Correct	114 ms	10596 KB	Output is correct
96	Correct	175 ms	17040 KB	Output is correct
97	Correct	171 ms	17124 KB	Output is correct
98	Correct	207 ms	17076 KB	Output is correct
99	Correct	150 ms	17060 KB	Output is correct
100	Correct	152 ms	17040 KB	Output is correct
101	Correct	178 ms	17164 KB	Output is correct
102	Correct	184 ms	17088 KB	Output is correct
103	Correct	147 ms	17100 KB	Output is correct
104	Correct	177 ms	17084 KB	Output is correct
105	Correct	168 ms	17084 KB	Output is correct
106	Correct	209 ms	20280 KB	Output is correct
107	Correct	198 ms	20312 KB	Output is correct
108	Correct	208 ms	20344 KB	Output is correct
109	Correct	184 ms	20304 KB	Output is correct
110	Correct	179 ms	20292 KB	Output is correct
111	Correct	238 ms	20220 KB	Output is correct
112	Correct	225 ms	20320 KB	Output is correct
113	Correct	176 ms	20236 KB	Output is correct
114	Correct	223 ms	20276 KB	Output is correct
115	Correct	180 ms	20252 KB	Output is correct

Subtask #6
0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	0 ms	336 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	0 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	11 ms	1264 KB	Output is correct
15	Correct	14 ms	2264 KB	Output is correct
16	Correct	25 ms	3340 KB	Output is correct
17	Correct	17 ms	3196 KB	Output is correct
18	Correct	20 ms	3264 KB	Output is correct
19	Correct	20 ms	3276 KB	Output is correct
20	Correct	21 ms	3252 KB	Output is correct
21	Correct	20 ms	3260 KB	Output is correct
22	Correct	21 ms	3256 KB	Output is correct
23	Correct	27 ms	3284 KB	Output is correct
24	Correct	20 ms	3316 KB	Output is correct
25	Correct	20 ms	3284 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	340 KB	Output is correct
28	Correct	2 ms	340 KB	Output is correct
29	Correct	10 ms	1368 KB	Output is correct
30	Correct	19 ms	2388 KB	Output is correct
31	Correct	23 ms	3392 KB	Output is correct
32	Correct	25 ms	3412 KB	Output is correct
33	Correct	29 ms	3404 KB	Output is correct
34	Correct	22 ms	3404 KB	Output is correct
35	Correct	23 ms	3448 KB	Output is correct
36	Correct	23 ms	3348 KB	Output is correct
37	Correct	24 ms	3416 KB	Output is correct
38	Correct	29 ms	3328 KB	Output is correct
39	Correct	26 ms	3360 KB	Output is correct
40	Correct	24 ms	3432 KB	Output is correct
41	Correct	1 ms	340 KB	Output is correct
42	Correct	1 ms	340 KB	Output is correct
43	Correct	1 ms	340 KB	Output is correct
44	Correct	1 ms	340 KB	Output is correct
45	Correct	2 ms	468 KB	Output is correct
46	Correct	3 ms	468 KB	Output is correct
47	Correct	6 ms	872 KB	Output is correct
48	Correct	6 ms	872 KB	Output is correct
49	Correct	14 ms	1512 KB	Output is correct
50	Correct	32 ms	2644 KB	Output is correct
51	Correct	38 ms	3788 KB	Output is correct
52	Correct	37 ms	3880 KB	Output is correct
53	Correct	36 ms	3856 KB	Output is correct
54	Correct	36 ms	3868 KB	Output is correct
55	Correct	37 ms	3872 KB	Output is correct
56	Correct	35 ms	3804 KB	Output is correct
57	Correct	35 ms	3792 KB	Output is correct
58	Correct	48 ms	3860 KB	Output is correct
59	Correct	46 ms	3864 KB	Output is correct
60	Correct	41 ms	3800 KB	Output is correct
61	Correct	36 ms	3792 KB	Output is correct
62	Correct	40 ms	3872 KB	Output is correct
63	Correct	37 ms	3864 KB	Output is correct
64	Correct	36 ms	3796 KB	Output is correct
65	Correct	36 ms	3792 KB	Output is correct
66	Correct	35 ms	3880 KB	Output is correct
67	Correct	42 ms	3820 KB	Output is correct
68	Correct	39 ms	3864 KB	Output is correct
69	Correct	39 ms	3784 KB	Output is correct
70	Correct	38 ms	3800 KB	Output is correct
71	Correct	9 ms	1008 KB	Output is correct
72	Correct	7 ms	980 KB	Output is correct
73	Correct	8 ms	996 KB	Output is correct
74	Correct	8 ms	1048 KB	Output is correct
75	Correct	8 ms	980 KB	Output is correct
76	Correct	16 ms	1876 KB	Output is correct
77	Correct	16 ms	1912 KB	Output is correct
78	Correct	21 ms	1868 KB	Output is correct
79	Correct	18 ms	1840 KB	Output is correct
80	Correct	17 ms	1888 KB	Output is correct
81	Correct	37 ms	3416 KB	Output is correct
82	Correct	36 ms	3448 KB	Output is correct
83	Correct	37 ms	3444 KB	Output is correct
84	Correct	35 ms	3424 KB	Output is correct
85	Correct	36 ms	3432 KB	Output is correct
86	Correct	56 ms	4140 KB	Output is correct
87	Correct	54 ms	4176 KB	Output is correct
88	Correct	46 ms	4232 KB	Output is correct
89	Correct	45 ms	4300 KB	Output is correct
90	Correct	45 ms	4256 KB	Output is correct
91	Correct	109 ms	10612 KB	Output is correct
92	Correct	101 ms	10648 KB	Output is correct
93	Correct	105 ms	10632 KB	Output is correct
94	Correct	111 ms	10684 KB	Output is correct
95	Correct	114 ms	10596 KB	Output is correct
96	Correct	175 ms	17040 KB	Output is correct
97	Correct	171 ms	17124 KB	Output is correct
98	Correct	207 ms	17076 KB	Output is correct
99	Correct	150 ms	17060 KB	Output is correct
100	Correct	152 ms	17040 KB	Output is correct
101	Correct	178 ms	17164 KB	Output is correct
102	Correct	184 ms	17088 KB	Output is correct
103	Correct	147 ms	17100 KB	Output is correct
104	Correct	177 ms	17084 KB	Output is correct
105	Correct	168 ms	17084 KB	Output is correct
106	Correct	209 ms	20280 KB	Output is correct
107	Correct	198 ms	20312 KB	Output is correct
108	Correct	208 ms	20344 KB	Output is correct
109	Correct	184 ms	20304 KB	Output is correct
110	Correct	179 ms	20292 KB	Output is correct
111	Correct	238 ms	20220 KB	Output is correct
112	Correct	225 ms	20320 KB	Output is correct
113	Correct	176 ms	20236 KB	Output is correct
114	Correct	223 ms	20276 KB	Output is correct
115	Correct	180 ms	20252 KB	Output is correct
116	Incorrect	2 ms	468 KB	Output isn't correct
117	Halted	0 ms	0 KB	-

답안 #592392

Compilation message

Subtask #1 4.0 / 4.0

Subtask #2 10.0 / 10.0

Subtask #3 8.0 / 8.0

Subtask #4 16.0 / 16.0

Subtask #5 26.0 / 26.0

Subtask #6 0 / 36.0

Subtask #1
4.0 / 4.0

Subtask #2
10.0 / 10.0

Subtask #3
8.0 / 8.0

Subtask #4
16.0 / 16.0

Subtask #5
26.0 / 26.0

Subtask #6
0 / 36.0