#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#define int long long
#define mi(x, y) (x = min(x, y))
#define ma(x, y) (x = max(x, y))
using namespace std;
signed main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
int n, q;
cin >> n >> q;
vector<int> a(n);
for(int i = 0; i < n; ++i){
cin >> a[i];
}
sort(a.begin(), a.end());
vector<int> b;
for(int i = 0; i < n; ++i){
int j = i;
while(j + 1 < n && a[i] == a[j + 1]){
++j;
}
b.push_back(j - i + 1);
i = j;
}
sort(b.begin(), b.end());
reverse(b.begin(), b.end());
int ans = (int)b.size() * n * (n + 1) / 2;
for(int i = 0; i < (int)b.size(); ++i){
ans -= ((int)b.size() - 1) * b[i] * (b[i] + 1) / 2;
for(int j = i + 1; j < (int)b.size(); ++j){
if(i % 2 == j % 2){
ans -= ((int)b.size() - abs(i - j) / 2 - 1) * b[i] * b[j];
}
else{
ans -= ((int)b.size() - i / 2 - j / 2 - 2) * b[i] * b[j];
}
}
}
cout << ans << '\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
320 KB |
Output is correct |
2 |
Correct |
0 ms |
324 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
324 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
324 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
13 ms |
1228 KB |
Output is correct |
5 |
Correct |
16 ms |
2268 KB |
Output is correct |
6 |
Correct |
23 ms |
3276 KB |
Output is correct |
7 |
Correct |
21 ms |
3284 KB |
Output is correct |
8 |
Correct |
22 ms |
3184 KB |
Output is correct |
9 |
Correct |
24 ms |
3308 KB |
Output is correct |
10 |
Correct |
35 ms |
3308 KB |
Output is correct |
11 |
Correct |
28 ms |
3276 KB |
Output is correct |
12 |
Correct |
30 ms |
3284 KB |
Output is correct |
13 |
Correct |
25 ms |
3308 KB |
Output is correct |
14 |
Correct |
26 ms |
3308 KB |
Output is correct |
15 |
Correct |
25 ms |
3308 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
324 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
13 ms |
1228 KB |
Output is correct |
5 |
Correct |
16 ms |
2268 KB |
Output is correct |
6 |
Correct |
23 ms |
3276 KB |
Output is correct |
7 |
Correct |
21 ms |
3284 KB |
Output is correct |
8 |
Correct |
22 ms |
3184 KB |
Output is correct |
9 |
Correct |
24 ms |
3308 KB |
Output is correct |
10 |
Correct |
35 ms |
3308 KB |
Output is correct |
11 |
Correct |
28 ms |
3276 KB |
Output is correct |
12 |
Correct |
30 ms |
3284 KB |
Output is correct |
13 |
Correct |
25 ms |
3308 KB |
Output is correct |
14 |
Correct |
26 ms |
3308 KB |
Output is correct |
15 |
Correct |
25 ms |
3308 KB |
Output is correct |
16 |
Correct |
1 ms |
288 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
9 ms |
1364 KB |
Output is correct |
20 |
Correct |
27 ms |
2384 KB |
Output is correct |
21 |
Correct |
34 ms |
3428 KB |
Output is correct |
22 |
Correct |
30 ms |
3424 KB |
Output is correct |
23 |
Correct |
27 ms |
3440 KB |
Output is correct |
24 |
Correct |
28 ms |
3412 KB |
Output is correct |
25 |
Correct |
27 ms |
3412 KB |
Output is correct |
26 |
Correct |
32 ms |
3412 KB |
Output is correct |
27 |
Correct |
26 ms |
3408 KB |
Output is correct |
28 |
Correct |
25 ms |
3304 KB |
Output is correct |
29 |
Correct |
25 ms |
3308 KB |
Output is correct |
30 |
Correct |
30 ms |
3436 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
324 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
13 ms |
1228 KB |
Output is correct |
5 |
Correct |
16 ms |
2268 KB |
Output is correct |
6 |
Correct |
23 ms |
3276 KB |
Output is correct |
7 |
Correct |
21 ms |
3284 KB |
Output is correct |
8 |
Correct |
22 ms |
3184 KB |
Output is correct |
9 |
Correct |
24 ms |
3308 KB |
Output is correct |
10 |
Correct |
35 ms |
3308 KB |
Output is correct |
11 |
Correct |
28 ms |
3276 KB |
Output is correct |
12 |
Correct |
30 ms |
3284 KB |
Output is correct |
13 |
Correct |
25 ms |
3308 KB |
Output is correct |
14 |
Correct |
26 ms |
3308 KB |
Output is correct |
15 |
Correct |
25 ms |
3308 KB |
Output is correct |
16 |
Correct |
1 ms |
288 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
9 ms |
1364 KB |
Output is correct |
20 |
Correct |
27 ms |
2384 KB |
Output is correct |
21 |
Correct |
34 ms |
3428 KB |
Output is correct |
22 |
Correct |
30 ms |
3424 KB |
Output is correct |
23 |
Correct |
27 ms |
3440 KB |
Output is correct |
24 |
Correct |
28 ms |
3412 KB |
Output is correct |
25 |
Correct |
27 ms |
3412 KB |
Output is correct |
26 |
Correct |
32 ms |
3412 KB |
Output is correct |
27 |
Correct |
26 ms |
3408 KB |
Output is correct |
28 |
Correct |
25 ms |
3304 KB |
Output is correct |
29 |
Correct |
25 ms |
3308 KB |
Output is correct |
30 |
Correct |
30 ms |
3436 KB |
Output is correct |
31 |
Correct |
1 ms |
340 KB |
Output is correct |
32 |
Correct |
1 ms |
256 KB |
Output is correct |
33 |
Correct |
1 ms |
340 KB |
Output is correct |
34 |
Correct |
1 ms |
436 KB |
Output is correct |
35 |
Correct |
2 ms |
340 KB |
Output is correct |
36 |
Correct |
3 ms |
340 KB |
Output is correct |
37 |
Correct |
9 ms |
840 KB |
Output is correct |
38 |
Correct |
8 ms |
912 KB |
Output is correct |
39 |
Correct |
15 ms |
1504 KB |
Output is correct |
40 |
Correct |
29 ms |
2644 KB |
Output is correct |
41 |
Correct |
37 ms |
3788 KB |
Output is correct |
42 |
Correct |
41 ms |
3812 KB |
Output is correct |
43 |
Correct |
44 ms |
3804 KB |
Output is correct |
44 |
Correct |
51 ms |
3820 KB |
Output is correct |
45 |
Correct |
35 ms |
3792 KB |
Output is correct |
46 |
Correct |
34 ms |
3812 KB |
Output is correct |
47 |
Correct |
34 ms |
3812 KB |
Output is correct |
48 |
Correct |
48 ms |
3816 KB |
Output is correct |
49 |
Correct |
36 ms |
3820 KB |
Output is correct |
50 |
Correct |
40 ms |
3812 KB |
Output is correct |
51 |
Correct |
51 ms |
3832 KB |
Output is correct |
52 |
Correct |
34 ms |
3820 KB |
Output is correct |
53 |
Correct |
33 ms |
3796 KB |
Output is correct |
54 |
Correct |
36 ms |
3788 KB |
Output is correct |
55 |
Correct |
43 ms |
3804 KB |
Output is correct |
56 |
Correct |
37 ms |
3824 KB |
Output is correct |
57 |
Correct |
35 ms |
3820 KB |
Output is correct |
58 |
Correct |
32 ms |
3820 KB |
Output is correct |
59 |
Correct |
39 ms |
3816 KB |
Output is correct |
60 |
Correct |
34 ms |
3804 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
320 KB |
Output is correct |
2 |
Correct |
0 ms |
324 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
324 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
324 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
13 ms |
1228 KB |
Output is correct |
15 |
Correct |
16 ms |
2268 KB |
Output is correct |
16 |
Correct |
23 ms |
3276 KB |
Output is correct |
17 |
Correct |
21 ms |
3284 KB |
Output is correct |
18 |
Correct |
22 ms |
3184 KB |
Output is correct |
19 |
Correct |
24 ms |
3308 KB |
Output is correct |
20 |
Correct |
35 ms |
3308 KB |
Output is correct |
21 |
Correct |
28 ms |
3276 KB |
Output is correct |
22 |
Correct |
30 ms |
3284 KB |
Output is correct |
23 |
Correct |
25 ms |
3308 KB |
Output is correct |
24 |
Correct |
26 ms |
3308 KB |
Output is correct |
25 |
Correct |
25 ms |
3308 KB |
Output is correct |
26 |
Correct |
1 ms |
288 KB |
Output is correct |
27 |
Correct |
1 ms |
212 KB |
Output is correct |
28 |
Correct |
1 ms |
340 KB |
Output is correct |
29 |
Correct |
9 ms |
1364 KB |
Output is correct |
30 |
Correct |
27 ms |
2384 KB |
Output is correct |
31 |
Correct |
34 ms |
3428 KB |
Output is correct |
32 |
Correct |
30 ms |
3424 KB |
Output is correct |
33 |
Correct |
27 ms |
3440 KB |
Output is correct |
34 |
Correct |
28 ms |
3412 KB |
Output is correct |
35 |
Correct |
27 ms |
3412 KB |
Output is correct |
36 |
Correct |
32 ms |
3412 KB |
Output is correct |
37 |
Correct |
26 ms |
3408 KB |
Output is correct |
38 |
Correct |
25 ms |
3304 KB |
Output is correct |
39 |
Correct |
25 ms |
3308 KB |
Output is correct |
40 |
Correct |
30 ms |
3436 KB |
Output is correct |
41 |
Correct |
1 ms |
340 KB |
Output is correct |
42 |
Correct |
1 ms |
256 KB |
Output is correct |
43 |
Correct |
1 ms |
340 KB |
Output is correct |
44 |
Correct |
1 ms |
436 KB |
Output is correct |
45 |
Correct |
2 ms |
340 KB |
Output is correct |
46 |
Correct |
3 ms |
340 KB |
Output is correct |
47 |
Correct |
9 ms |
840 KB |
Output is correct |
48 |
Correct |
8 ms |
912 KB |
Output is correct |
49 |
Correct |
15 ms |
1504 KB |
Output is correct |
50 |
Correct |
29 ms |
2644 KB |
Output is correct |
51 |
Correct |
37 ms |
3788 KB |
Output is correct |
52 |
Correct |
41 ms |
3812 KB |
Output is correct |
53 |
Correct |
44 ms |
3804 KB |
Output is correct |
54 |
Correct |
51 ms |
3820 KB |
Output is correct |
55 |
Correct |
35 ms |
3792 KB |
Output is correct |
56 |
Correct |
34 ms |
3812 KB |
Output is correct |
57 |
Correct |
34 ms |
3812 KB |
Output is correct |
58 |
Correct |
48 ms |
3816 KB |
Output is correct |
59 |
Correct |
36 ms |
3820 KB |
Output is correct |
60 |
Correct |
40 ms |
3812 KB |
Output is correct |
61 |
Correct |
51 ms |
3832 KB |
Output is correct |
62 |
Correct |
34 ms |
3820 KB |
Output is correct |
63 |
Correct |
33 ms |
3796 KB |
Output is correct |
64 |
Correct |
36 ms |
3788 KB |
Output is correct |
65 |
Correct |
43 ms |
3804 KB |
Output is correct |
66 |
Correct |
37 ms |
3824 KB |
Output is correct |
67 |
Correct |
35 ms |
3820 KB |
Output is correct |
68 |
Correct |
32 ms |
3820 KB |
Output is correct |
69 |
Correct |
39 ms |
3816 KB |
Output is correct |
70 |
Correct |
34 ms |
3804 KB |
Output is correct |
71 |
Correct |
9 ms |
980 KB |
Output is correct |
72 |
Correct |
11 ms |
968 KB |
Output is correct |
73 |
Correct |
9 ms |
968 KB |
Output is correct |
74 |
Correct |
13 ms |
852 KB |
Output is correct |
75 |
Correct |
11 ms |
976 KB |
Output is correct |
76 |
Correct |
32 ms |
1620 KB |
Output is correct |
77 |
Correct |
36 ms |
1620 KB |
Output is correct |
78 |
Correct |
38 ms |
1584 KB |
Output is correct |
79 |
Correct |
32 ms |
1596 KB |
Output is correct |
80 |
Correct |
32 ms |
1620 KB |
Output is correct |
81 |
Correct |
111 ms |
3052 KB |
Output is correct |
82 |
Correct |
125 ms |
3056 KB |
Output is correct |
83 |
Correct |
101 ms |
3032 KB |
Output is correct |
84 |
Correct |
126 ms |
3056 KB |
Output is correct |
85 |
Correct |
123 ms |
3060 KB |
Output is correct |
86 |
Correct |
365 ms |
3288 KB |
Output is correct |
87 |
Correct |
374 ms |
3344 KB |
Output is correct |
88 |
Correct |
421 ms |
3300 KB |
Output is correct |
89 |
Correct |
347 ms |
3276 KB |
Output is correct |
90 |
Correct |
400 ms |
3236 KB |
Output is correct |
91 |
Execution timed out |
7092 ms |
5476 KB |
Time limit exceeded |
92 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
320 KB |
Output is correct |
2 |
Correct |
0 ms |
324 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
324 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
324 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
13 ms |
1228 KB |
Output is correct |
15 |
Correct |
16 ms |
2268 KB |
Output is correct |
16 |
Correct |
23 ms |
3276 KB |
Output is correct |
17 |
Correct |
21 ms |
3284 KB |
Output is correct |
18 |
Correct |
22 ms |
3184 KB |
Output is correct |
19 |
Correct |
24 ms |
3308 KB |
Output is correct |
20 |
Correct |
35 ms |
3308 KB |
Output is correct |
21 |
Correct |
28 ms |
3276 KB |
Output is correct |
22 |
Correct |
30 ms |
3284 KB |
Output is correct |
23 |
Correct |
25 ms |
3308 KB |
Output is correct |
24 |
Correct |
26 ms |
3308 KB |
Output is correct |
25 |
Correct |
25 ms |
3308 KB |
Output is correct |
26 |
Correct |
1 ms |
288 KB |
Output is correct |
27 |
Correct |
1 ms |
212 KB |
Output is correct |
28 |
Correct |
1 ms |
340 KB |
Output is correct |
29 |
Correct |
9 ms |
1364 KB |
Output is correct |
30 |
Correct |
27 ms |
2384 KB |
Output is correct |
31 |
Correct |
34 ms |
3428 KB |
Output is correct |
32 |
Correct |
30 ms |
3424 KB |
Output is correct |
33 |
Correct |
27 ms |
3440 KB |
Output is correct |
34 |
Correct |
28 ms |
3412 KB |
Output is correct |
35 |
Correct |
27 ms |
3412 KB |
Output is correct |
36 |
Correct |
32 ms |
3412 KB |
Output is correct |
37 |
Correct |
26 ms |
3408 KB |
Output is correct |
38 |
Correct |
25 ms |
3304 KB |
Output is correct |
39 |
Correct |
25 ms |
3308 KB |
Output is correct |
40 |
Correct |
30 ms |
3436 KB |
Output is correct |
41 |
Correct |
1 ms |
340 KB |
Output is correct |
42 |
Correct |
1 ms |
256 KB |
Output is correct |
43 |
Correct |
1 ms |
340 KB |
Output is correct |
44 |
Correct |
1 ms |
436 KB |
Output is correct |
45 |
Correct |
2 ms |
340 KB |
Output is correct |
46 |
Correct |
3 ms |
340 KB |
Output is correct |
47 |
Correct |
9 ms |
840 KB |
Output is correct |
48 |
Correct |
8 ms |
912 KB |
Output is correct |
49 |
Correct |
15 ms |
1504 KB |
Output is correct |
50 |
Correct |
29 ms |
2644 KB |
Output is correct |
51 |
Correct |
37 ms |
3788 KB |
Output is correct |
52 |
Correct |
41 ms |
3812 KB |
Output is correct |
53 |
Correct |
44 ms |
3804 KB |
Output is correct |
54 |
Correct |
51 ms |
3820 KB |
Output is correct |
55 |
Correct |
35 ms |
3792 KB |
Output is correct |
56 |
Correct |
34 ms |
3812 KB |
Output is correct |
57 |
Correct |
34 ms |
3812 KB |
Output is correct |
58 |
Correct |
48 ms |
3816 KB |
Output is correct |
59 |
Correct |
36 ms |
3820 KB |
Output is correct |
60 |
Correct |
40 ms |
3812 KB |
Output is correct |
61 |
Correct |
51 ms |
3832 KB |
Output is correct |
62 |
Correct |
34 ms |
3820 KB |
Output is correct |
63 |
Correct |
33 ms |
3796 KB |
Output is correct |
64 |
Correct |
36 ms |
3788 KB |
Output is correct |
65 |
Correct |
43 ms |
3804 KB |
Output is correct |
66 |
Correct |
37 ms |
3824 KB |
Output is correct |
67 |
Correct |
35 ms |
3820 KB |
Output is correct |
68 |
Correct |
32 ms |
3820 KB |
Output is correct |
69 |
Correct |
39 ms |
3816 KB |
Output is correct |
70 |
Correct |
34 ms |
3804 KB |
Output is correct |
71 |
Correct |
9 ms |
980 KB |
Output is correct |
72 |
Correct |
11 ms |
968 KB |
Output is correct |
73 |
Correct |
9 ms |
968 KB |
Output is correct |
74 |
Correct |
13 ms |
852 KB |
Output is correct |
75 |
Correct |
11 ms |
976 KB |
Output is correct |
76 |
Correct |
32 ms |
1620 KB |
Output is correct |
77 |
Correct |
36 ms |
1620 KB |
Output is correct |
78 |
Correct |
38 ms |
1584 KB |
Output is correct |
79 |
Correct |
32 ms |
1596 KB |
Output is correct |
80 |
Correct |
32 ms |
1620 KB |
Output is correct |
81 |
Correct |
111 ms |
3052 KB |
Output is correct |
82 |
Correct |
125 ms |
3056 KB |
Output is correct |
83 |
Correct |
101 ms |
3032 KB |
Output is correct |
84 |
Correct |
126 ms |
3056 KB |
Output is correct |
85 |
Correct |
123 ms |
3060 KB |
Output is correct |
86 |
Correct |
365 ms |
3288 KB |
Output is correct |
87 |
Correct |
374 ms |
3344 KB |
Output is correct |
88 |
Correct |
421 ms |
3300 KB |
Output is correct |
89 |
Correct |
347 ms |
3276 KB |
Output is correct |
90 |
Correct |
400 ms |
3236 KB |
Output is correct |
91 |
Execution timed out |
7092 ms |
5476 KB |
Time limit exceeded |
92 |
Halted |
0 ms |
0 KB |
- |