Submission #479151

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
479151	2021-10-10T08:06:53 Z	errorgorn	Diversity (CEOI21_diversity)	C++17	64 / 100	111 ms	21412 KB

diversity

//雪花飄飄北風嘯嘯
//天地一片蒼茫

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/rope>
using namespace std;
using namespace __gnu_pbds;
using namespace __gnu_cxx;
#define ll long long
#define ii pair<ll,ll>
#define iii pair<ii,ll>
#define fi first
#define se second
#define endl '\n'
#define debug(x) cout << #x << ": " << x << endl

#define pub push_back
#define pob pop_back
#define puf push_front
#define pof pop_front
#define lb lower_bound
#define ub upper_bound

#define rep(x,start,end) for(auto x=(start)-((start)>(end));x!=(end)-((start)>(end));((start)<(end)?x++:x--))
#define all(x) (x).begin(),(x).end()
#define sz(x) (int)(x).size()

#define indexed_set tree<ll,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update>
//change less to less_equal for non distinct pbds, but erase will bug

mt19937 rng(chrono::system_clock::now().time_since_epoch().count());

const int MOD=998244353;

ll qexp(ll b,ll p,int m){
    ll res=1;
    while (p){
        if (p&1) res=(res*b)%m;
        b=(b*b)%m;
        p>>=1;
    }
    return res;
}

ll inv(ll i){
	return qexp(i,MOD-2,MOD);
}

ll fix(ll i){
	i%=MOD;
	if (i<0) i+=MOD;
	return i;
}

ll fac[1000005];
ll ifac[1000005];

ll nCk(int i,int j){
	if (i<j) return 0;
	return fac[i]*ifac[j]%MOD*ifac[i-j]%MOD;
}

int n,q;
int arr[300005];
int cnt[300005];

int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	cin.exceptions(ios::badbit | ios::failbit);
	
	fac[0]=1;
	rep(x,1,1000005) fac[x]=fac[x-1]*x%MOD;
	ifac[1000004]=inv(fac[1000004]);
	rep(x,1000005,1) ifac[x-1]=ifac[x]*x%MOD;
	
	cin>>n>>q;
	rep(x,1,n+1) cin>>arr[x];
	rep(x,1,n+1) cnt[arr[x]]++;
	
	vector<int> v;
	rep(x,1,300005) v.pub(x);
	sort(all(v),[](int i,int j){
		if (cnt[i]!=cnt[j]) return cnt[i]>cnt[j];
		else return i<j;
	});
	
	rep(x,0,sz(v)){
		if (x%2==0) cnt[v[x]]=x/2;
		else cnt[v[x]]=-(x+1)/2;
	}
	//rep(x,1,10) cout<<cnt[x]<<" "; cout<<endl;
	
	sort(arr+1,arr+n+1,[](int i,int j){
		if (cnt[i]!=cnt[j]) return cnt[i]<cnt[j];
		else return i<j;
	});
	
	//rep(x,1,n+1) cout<<arr[x]<<" "; cout<<endl;
	
	ll ans=0;
	ll cnt=0;
	rep(x,1,n+1){
		if (arr[x-1]!=arr[x]) cnt+=x;
		else cnt++;
		ans+=cnt;
	}
	
	cout<<ans<<endl;
}

Subtask #1
4.0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	28 ms	18440 KB	Output is correct
2	Correct	30 ms	18444 KB	Output is correct
3	Correct	29 ms	18396 KB	Output is correct
4	Correct	28 ms	18360 KB	Output is correct
5	Correct	31 ms	18444 KB	Output is correct
6	Correct	28 ms	18452 KB	Output is correct
7	Correct	30 ms	18396 KB	Output is correct
8	Correct	35 ms	18392 KB	Output is correct
9	Correct	34 ms	18364 KB	Output is correct
10	Correct	29 ms	18336 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	28 ms	18440 KB	Output is correct
2	Correct	31 ms	18348 KB	Output is correct
3	Correct	32 ms	18516 KB	Output is correct
4	Correct	39 ms	18920 KB	Output is correct
5	Correct	60 ms	19628 KB	Output is correct
6	Correct	75 ms	20284 KB	Output is correct
7	Correct	64 ms	20148 KB	Output is correct
8	Correct	67 ms	20176 KB	Output is correct
9	Correct	70 ms	20188 KB	Output is correct
10	Correct	70 ms	20268 KB	Output is correct
11	Correct	68 ms	20208 KB	Output is correct
12	Correct	66 ms	20188 KB	Output is correct
13	Correct	75 ms	20192 KB	Output is correct
14	Correct	65 ms	20256 KB	Output is correct
15	Correct	64 ms	20224 KB	Output is correct

Subtask #3
8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	28 ms	18440 KB	Output is correct
2	Correct	31 ms	18348 KB	Output is correct
3	Correct	32 ms	18516 KB	Output is correct
4	Correct	39 ms	18920 KB	Output is correct
5	Correct	60 ms	19628 KB	Output is correct
6	Correct	75 ms	20284 KB	Output is correct
7	Correct	64 ms	20148 KB	Output is correct
8	Correct	67 ms	20176 KB	Output is correct
9	Correct	70 ms	20188 KB	Output is correct
10	Correct	70 ms	20268 KB	Output is correct
11	Correct	68 ms	20208 KB	Output is correct
12	Correct	66 ms	20188 KB	Output is correct
13	Correct	75 ms	20192 KB	Output is correct
14	Correct	65 ms	20256 KB	Output is correct
15	Correct	64 ms	20224 KB	Output is correct
16	Correct	27 ms	18364 KB	Output is correct
17	Correct	28 ms	18476 KB	Output is correct
18	Correct	34 ms	18512 KB	Output is correct
19	Correct	44 ms	19104 KB	Output is correct
20	Correct	55 ms	19652 KB	Output is correct
21	Correct	68 ms	20416 KB	Output is correct
22	Correct	75 ms	20312 KB	Output is correct
23	Correct	65 ms	20368 KB	Output is correct
24	Correct	69 ms	20368 KB	Output is correct
25	Correct	71 ms	20288 KB	Output is correct
26	Correct	70 ms	20268 KB	Output is correct
27	Correct	63 ms	20388 KB	Output is correct
28	Correct	89 ms	20396 KB	Output is correct
29	Correct	67 ms	20284 KB	Output is correct
30	Correct	66 ms	20328 KB	Output is correct

Subtask #4
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	28 ms	18440 KB	Output is correct
2	Correct	31 ms	18348 KB	Output is correct
3	Correct	32 ms	18516 KB	Output is correct
4	Correct	39 ms	18920 KB	Output is correct
5	Correct	60 ms	19628 KB	Output is correct
6	Correct	75 ms	20284 KB	Output is correct
7	Correct	64 ms	20148 KB	Output is correct
8	Correct	67 ms	20176 KB	Output is correct
9	Correct	70 ms	20188 KB	Output is correct
10	Correct	70 ms	20268 KB	Output is correct
11	Correct	68 ms	20208 KB	Output is correct
12	Correct	66 ms	20188 KB	Output is correct
13	Correct	75 ms	20192 KB	Output is correct
14	Correct	65 ms	20256 KB	Output is correct
15	Correct	64 ms	20224 KB	Output is correct
16	Correct	27 ms	18364 KB	Output is correct
17	Correct	28 ms	18476 KB	Output is correct
18	Correct	34 ms	18512 KB	Output is correct
19	Correct	44 ms	19104 KB	Output is correct
20	Correct	55 ms	19652 KB	Output is correct
21	Correct	68 ms	20416 KB	Output is correct
22	Correct	75 ms	20312 KB	Output is correct
23	Correct	65 ms	20368 KB	Output is correct
24	Correct	69 ms	20368 KB	Output is correct
25	Correct	71 ms	20288 KB	Output is correct
26	Correct	70 ms	20268 KB	Output is correct
27	Correct	63 ms	20388 KB	Output is correct
28	Correct	89 ms	20396 KB	Output is correct
29	Correct	67 ms	20284 KB	Output is correct
30	Correct	66 ms	20328 KB	Output is correct
31	Correct	30 ms	18384 KB	Output is correct
32	Correct	31 ms	18452 KB	Output is correct
33	Correct	28 ms	18440 KB	Output is correct
34	Correct	29 ms	18456 KB	Output is correct
35	Correct	31 ms	18452 KB	Output is correct
36	Correct	39 ms	18476 KB	Output is correct
37	Correct	35 ms	18748 KB	Output is correct
38	Correct	37 ms	18748 KB	Output is correct
39	Correct	42 ms	19132 KB	Output is correct
40	Correct	66 ms	19900 KB	Output is correct
41	Correct	74 ms	20680 KB	Output is correct
42	Correct	77 ms	20764 KB	Output is correct
43	Correct	79 ms	20612 KB	Output is correct
44	Correct	76 ms	20668 KB	Output is correct
45	Correct	79 ms	20700 KB	Output is correct
46	Correct	76 ms	20680 KB	Output is correct
47	Correct	78 ms	20660 KB	Output is correct
48	Correct	73 ms	20668 KB	Output is correct
49	Correct	83 ms	20768 KB	Output is correct
50	Correct	77 ms	20692 KB	Output is correct
51	Correct	80 ms	20700 KB	Output is correct
52	Correct	78 ms	20712 KB	Output is correct
53	Correct	73 ms	20696 KB	Output is correct
54	Correct	79 ms	20656 KB	Output is correct
55	Correct	72 ms	20668 KB	Output is correct
56	Correct	76 ms	20668 KB	Output is correct
57	Correct	81 ms	20580 KB	Output is correct
58	Correct	83 ms	20732 KB	Output is correct
59	Correct	77 ms	20668 KB	Output is correct
60	Correct	77 ms	20668 KB	Output is correct

Subtask #5
26.0 / 26.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	28 ms	18440 KB	Output is correct
2	Correct	30 ms	18444 KB	Output is correct
3	Correct	29 ms	18396 KB	Output is correct
4	Correct	28 ms	18360 KB	Output is correct
5	Correct	31 ms	18444 KB	Output is correct
6	Correct	28 ms	18452 KB	Output is correct
7	Correct	30 ms	18396 KB	Output is correct
8	Correct	35 ms	18392 KB	Output is correct
9	Correct	34 ms	18364 KB	Output is correct
10	Correct	29 ms	18336 KB	Output is correct
11	Correct	28 ms	18440 KB	Output is correct
12	Correct	31 ms	18348 KB	Output is correct
13	Correct	32 ms	18516 KB	Output is correct
14	Correct	39 ms	18920 KB	Output is correct
15	Correct	60 ms	19628 KB	Output is correct
16	Correct	75 ms	20284 KB	Output is correct
17	Correct	64 ms	20148 KB	Output is correct
18	Correct	67 ms	20176 KB	Output is correct
19	Correct	70 ms	20188 KB	Output is correct
20	Correct	70 ms	20268 KB	Output is correct
21	Correct	68 ms	20208 KB	Output is correct
22	Correct	66 ms	20188 KB	Output is correct
23	Correct	75 ms	20192 KB	Output is correct
24	Correct	65 ms	20256 KB	Output is correct
25	Correct	64 ms	20224 KB	Output is correct
26	Correct	27 ms	18364 KB	Output is correct
27	Correct	28 ms	18476 KB	Output is correct
28	Correct	34 ms	18512 KB	Output is correct
29	Correct	44 ms	19104 KB	Output is correct
30	Correct	55 ms	19652 KB	Output is correct
31	Correct	68 ms	20416 KB	Output is correct
32	Correct	75 ms	20312 KB	Output is correct
33	Correct	65 ms	20368 KB	Output is correct
34	Correct	69 ms	20368 KB	Output is correct
35	Correct	71 ms	20288 KB	Output is correct
36	Correct	70 ms	20268 KB	Output is correct
37	Correct	63 ms	20388 KB	Output is correct
38	Correct	89 ms	20396 KB	Output is correct
39	Correct	67 ms	20284 KB	Output is correct
40	Correct	66 ms	20328 KB	Output is correct
41	Correct	30 ms	18384 KB	Output is correct
42	Correct	31 ms	18452 KB	Output is correct
43	Correct	28 ms	18440 KB	Output is correct
44	Correct	29 ms	18456 KB	Output is correct
45	Correct	31 ms	18452 KB	Output is correct
46	Correct	39 ms	18476 KB	Output is correct
47	Correct	35 ms	18748 KB	Output is correct
48	Correct	37 ms	18748 KB	Output is correct
49	Correct	42 ms	19132 KB	Output is correct
50	Correct	66 ms	19900 KB	Output is correct
51	Correct	74 ms	20680 KB	Output is correct
52	Correct	77 ms	20764 KB	Output is correct
53	Correct	79 ms	20612 KB	Output is correct
54	Correct	76 ms	20668 KB	Output is correct
55	Correct	79 ms	20700 KB	Output is correct
56	Correct	76 ms	20680 KB	Output is correct
57	Correct	78 ms	20660 KB	Output is correct
58	Correct	73 ms	20668 KB	Output is correct
59	Correct	83 ms	20768 KB	Output is correct
60	Correct	77 ms	20692 KB	Output is correct
61	Correct	80 ms	20700 KB	Output is correct
62	Correct	78 ms	20712 KB	Output is correct
63	Correct	73 ms	20696 KB	Output is correct
64	Correct	79 ms	20656 KB	Output is correct
65	Correct	72 ms	20668 KB	Output is correct
66	Correct	76 ms	20668 KB	Output is correct
67	Correct	81 ms	20580 KB	Output is correct
68	Correct	83 ms	20732 KB	Output is correct
69	Correct	77 ms	20668 KB	Output is correct
70	Correct	77 ms	20668 KB	Output is correct
71	Correct	42 ms	18820 KB	Output is correct
72	Correct	36 ms	18872 KB	Output is correct
73	Correct	39 ms	18764 KB	Output is correct
74	Correct	41 ms	18812 KB	Output is correct
75	Correct	37 ms	18876 KB	Output is correct
76	Correct	48 ms	19260 KB	Output is correct
77	Correct	45 ms	19260 KB	Output is correct
78	Correct	46 ms	19300 KB	Output is correct
79	Correct	55 ms	19256 KB	Output is correct
80	Correct	46 ms	19196 KB	Output is correct
81	Correct	66 ms	20156 KB	Output is correct
82	Correct	67 ms	20168 KB	Output is correct
83	Correct	65 ms	20160 KB	Output is correct
84	Correct	64 ms	20180 KB	Output is correct
85	Correct	65 ms	20168 KB	Output is correct
86	Correct	75 ms	20212 KB	Output is correct
87	Correct	66 ms	20156 KB	Output is correct
88	Correct	74 ms	20192 KB	Output is correct
89	Correct	72 ms	20424 KB	Output is correct
90	Correct	67 ms	20156 KB	Output is correct
91	Correct	97 ms	20804 KB	Output is correct
92	Correct	98 ms	20724 KB	Output is correct
93	Correct	97 ms	20800 KB	Output is correct
94	Correct	99 ms	20792 KB	Output is correct
95	Correct	99 ms	20712 KB	Output is correct
96	Correct	110 ms	21096 KB	Output is correct
97	Correct	106 ms	21184 KB	Output is correct
98	Correct	109 ms	21192 KB	Output is correct
99	Correct	106 ms	21184 KB	Output is correct
100	Correct	101 ms	21140 KB	Output is correct
101	Correct	102 ms	21184 KB	Output is correct
102	Correct	107 ms	21184 KB	Output is correct
103	Correct	102 ms	21184 KB	Output is correct
104	Correct	102 ms	21092 KB	Output is correct
105	Correct	103 ms	21080 KB	Output is correct
106	Correct	105 ms	21352 KB	Output is correct
107	Correct	103 ms	21412 KB	Output is correct
108	Correct	107 ms	21312 KB	Output is correct
109	Correct	103 ms	21312 KB	Output is correct
110	Correct	104 ms	21300 KB	Output is correct
111	Correct	106 ms	21388 KB	Output is correct
112	Correct	106 ms	21312 KB	Output is correct
113	Correct	107 ms	21304 KB	Output is correct
114	Correct	111 ms	21312 KB	Output is correct
115	Correct	106 ms	21312 KB	Output is correct

Subtask #6
0 / 36.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	28 ms	18440 KB	Output is correct
2	Correct	30 ms	18444 KB	Output is correct
3	Correct	29 ms	18396 KB	Output is correct
4	Correct	28 ms	18360 KB	Output is correct
5	Correct	31 ms	18444 KB	Output is correct
6	Correct	28 ms	18452 KB	Output is correct
7	Correct	30 ms	18396 KB	Output is correct
8	Correct	35 ms	18392 KB	Output is correct
9	Correct	34 ms	18364 KB	Output is correct
10	Correct	29 ms	18336 KB	Output is correct
11	Correct	28 ms	18440 KB	Output is correct
12	Correct	31 ms	18348 KB	Output is correct
13	Correct	32 ms	18516 KB	Output is correct
14	Correct	39 ms	18920 KB	Output is correct
15	Correct	60 ms	19628 KB	Output is correct
16	Correct	75 ms	20284 KB	Output is correct
17	Correct	64 ms	20148 KB	Output is correct
18	Correct	67 ms	20176 KB	Output is correct
19	Correct	70 ms	20188 KB	Output is correct
20	Correct	70 ms	20268 KB	Output is correct
21	Correct	68 ms	20208 KB	Output is correct
22	Correct	66 ms	20188 KB	Output is correct
23	Correct	75 ms	20192 KB	Output is correct
24	Correct	65 ms	20256 KB	Output is correct
25	Correct	64 ms	20224 KB	Output is correct
26	Correct	27 ms	18364 KB	Output is correct
27	Correct	28 ms	18476 KB	Output is correct
28	Correct	34 ms	18512 KB	Output is correct
29	Correct	44 ms	19104 KB	Output is correct
30	Correct	55 ms	19652 KB	Output is correct
31	Correct	68 ms	20416 KB	Output is correct
32	Correct	75 ms	20312 KB	Output is correct
33	Correct	65 ms	20368 KB	Output is correct
34	Correct	69 ms	20368 KB	Output is correct
35	Correct	71 ms	20288 KB	Output is correct
36	Correct	70 ms	20268 KB	Output is correct
37	Correct	63 ms	20388 KB	Output is correct
38	Correct	89 ms	20396 KB	Output is correct
39	Correct	67 ms	20284 KB	Output is correct
40	Correct	66 ms	20328 KB	Output is correct
41	Correct	30 ms	18384 KB	Output is correct
42	Correct	31 ms	18452 KB	Output is correct
43	Correct	28 ms	18440 KB	Output is correct
44	Correct	29 ms	18456 KB	Output is correct
45	Correct	31 ms	18452 KB	Output is correct
46	Correct	39 ms	18476 KB	Output is correct
47	Correct	35 ms	18748 KB	Output is correct
48	Correct	37 ms	18748 KB	Output is correct
49	Correct	42 ms	19132 KB	Output is correct
50	Correct	66 ms	19900 KB	Output is correct
51	Correct	74 ms	20680 KB	Output is correct
52	Correct	77 ms	20764 KB	Output is correct
53	Correct	79 ms	20612 KB	Output is correct
54	Correct	76 ms	20668 KB	Output is correct
55	Correct	79 ms	20700 KB	Output is correct
56	Correct	76 ms	20680 KB	Output is correct
57	Correct	78 ms	20660 KB	Output is correct
58	Correct	73 ms	20668 KB	Output is correct
59	Correct	83 ms	20768 KB	Output is correct
60	Correct	77 ms	20692 KB	Output is correct
61	Correct	80 ms	20700 KB	Output is correct
62	Correct	78 ms	20712 KB	Output is correct
63	Correct	73 ms	20696 KB	Output is correct
64	Correct	79 ms	20656 KB	Output is correct
65	Correct	72 ms	20668 KB	Output is correct
66	Correct	76 ms	20668 KB	Output is correct
67	Correct	81 ms	20580 KB	Output is correct
68	Correct	83 ms	20732 KB	Output is correct
69	Correct	77 ms	20668 KB	Output is correct
70	Correct	77 ms	20668 KB	Output is correct
71	Correct	42 ms	18820 KB	Output is correct
72	Correct	36 ms	18872 KB	Output is correct
73	Correct	39 ms	18764 KB	Output is correct
74	Correct	41 ms	18812 KB	Output is correct
75	Correct	37 ms	18876 KB	Output is correct
76	Correct	48 ms	19260 KB	Output is correct
77	Correct	45 ms	19260 KB	Output is correct
78	Correct	46 ms	19300 KB	Output is correct
79	Correct	55 ms	19256 KB	Output is correct
80	Correct	46 ms	19196 KB	Output is correct
81	Correct	66 ms	20156 KB	Output is correct
82	Correct	67 ms	20168 KB	Output is correct
83	Correct	65 ms	20160 KB	Output is correct
84	Correct	64 ms	20180 KB	Output is correct
85	Correct	65 ms	20168 KB	Output is correct
86	Correct	75 ms	20212 KB	Output is correct
87	Correct	66 ms	20156 KB	Output is correct
88	Correct	74 ms	20192 KB	Output is correct
89	Correct	72 ms	20424 KB	Output is correct
90	Correct	67 ms	20156 KB	Output is correct
91	Correct	97 ms	20804 KB	Output is correct
92	Correct	98 ms	20724 KB	Output is correct
93	Correct	97 ms	20800 KB	Output is correct
94	Correct	99 ms	20792 KB	Output is correct
95	Correct	99 ms	20712 KB	Output is correct
96	Correct	110 ms	21096 KB	Output is correct
97	Correct	106 ms	21184 KB	Output is correct
98	Correct	109 ms	21192 KB	Output is correct
99	Correct	106 ms	21184 KB	Output is correct
100	Correct	101 ms	21140 KB	Output is correct
101	Correct	102 ms	21184 KB	Output is correct
102	Correct	107 ms	21184 KB	Output is correct
103	Correct	102 ms	21184 KB	Output is correct
104	Correct	102 ms	21092 KB	Output is correct
105	Correct	103 ms	21080 KB	Output is correct
106	Correct	105 ms	21352 KB	Output is correct
107	Correct	103 ms	21412 KB	Output is correct
108	Correct	107 ms	21312 KB	Output is correct
109	Correct	103 ms	21312 KB	Output is correct
110	Correct	104 ms	21300 KB	Output is correct
111	Correct	106 ms	21388 KB	Output is correct
112	Correct	106 ms	21312 KB	Output is correct
113	Correct	107 ms	21304 KB	Output is correct
114	Correct	111 ms	21312 KB	Output is correct
115	Correct	106 ms	21312 KB	Output is correct
116	Incorrect	29 ms	18508 KB	Output isn't correct
117	Halted	0 ms	0 KB	-

Submission #479151

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