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답안 #576855

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
576855 2022-06-13T16:25:29 Z talant117408 Diversity (CEOI21_diversity) C++17
64 / 100
 7000 ms 11616 KB 
#include <bits/stdc++.h>
 
using namespace std;
 
typedef long long ll;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;

#define long                unsigned long 
#define pb                  push_back
#define mp                  make_pair
#define all(v)              (v).begin(),(v).end()
#define rall(v)             (v).rbegin(),(v).rend()
#define lb                  lower_bound
#define ub                  upper_bound
#define sz(v)               int((v).size())
#define do_not_disturb      ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define endl                '\n'

const int MAXN = 3e5+7;

int64_t calc(int64_t n) {
    return n*(n+1)/2;
}

int64_t calc2(int64_t n) {
    return n*(n+1)*(2*n+1)/6;
}

struct MO {
    vector <int> freq;
    map <int, int> comp;
    int N;
    
    MO() {
        N = 0;
        freq.resize(MAXN);
    }
    void add(int n) {
        if (freq[n]) comp[freq[n]]--;
        freq[n]++;
        comp[freq[n]]++;
        N++;
    }
    void remove(int n) {
        comp[freq[n]]--;
        freq[n]--;
        if (freq[n]) comp[freq[n]]++;
        N--;
    }
    int64_t get() {
        int saizu = 0;  
        deque <pii> K;
        for (auto rit = comp.rbegin(); rit != comp.rend(); rit++) {
            auto x = *rit;
            if (saizu % 2 == 0) {
                K.push_front(mp(x.first, (x.second+1)/2));
                if (x.second > 1)
                    K.push_back(mp(x.first, x.second/2));
            }
            else {
                if (x.second > 1) 
                    K.push_front(mp(x.first, x.second/2));
                K.push_back(mp(x.first, (x.second+1)/2));
            }
            saizu += x.second;
        }
        int64_t l = 0, r;
        int64_t ans = 0;
        for (auto p : K) {
            int x = p.first, k = p.second;
            r = N-l-x;
            int64_t a = k*calc(x);
            int64_t b = k*l + x*calc(k-1);
            int64_t c = k*r - x*calc(k-1);
            int64_t d = k*l*r + x*(r*calc(k-1) - l*calc(k-1) - x*calc2(k-1));
            ans += a + b*x + c*x + d;
            l += k*x;
        }
        return ans;
    }
};

void solve() {
    int n, q;
    cin >> n >> q;
    
    int BLOCK = sqrt(n);
    vector <int> v(n);
    vector <ll> ans(q);
    vector <pair <pii, int>> queries(q);
    
    for (auto &to : v) cin >> to;
    for (int i = 0; i < q; i++) {
        cin >> queries[i].first.first >> queries[i].first.second;
        queries[i].first.first--;
        queries[i].first.second--;
        queries[i].second = i;
    }
    sort(all(queries), [&](pair <pii, int> a, pair <pii, int> b) {
        if (a.first.first/BLOCK == b.first.first/BLOCK) {
            return a.first.second < b.first.second;
        }
        return a.first.first/BLOCK < b.first.first/BLOCK;
    }); 
    
    int l = 0, r = -1;
    MO mo;
    for (auto to : queries) {
        auto ql = to.first.first, qr = to.first.second, ind = to.second;
        while (r < qr) {
            r++;
            mo.add(v[r]);
        }
        while (l > ql) {
            l--;
            mo.add(v[l]);
        }
        while (r > qr) {
            mo.remove(v[r]);
            r--;
        }
        while (l < ql) {
            mo.remove(v[l]);
            l++;
        }
        ans[ind] = mo.get();
    }
    for (auto to : ans) cout << to << endl;
}

int main() {
    do_not_disturb
    
    int t = 1;
    //~ cin >> t;
    while (t--) {
        solve();
    }
    
    return 0;
}

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Correct 1 ms 1492 KB Output is correct
3 Correct 1 ms 1492 KB Output is correct
4 Correct 1 ms 1492 KB Output is correct
5 Correct 1 ms 1492 KB Output is correct
6 Correct 1 ms 1492 KB Output is correct
7 Correct 1 ms 1492 KB Output is correct
8 Correct 1 ms 1492 KB Output is correct
9 Correct 1 ms 1492 KB Output is correct
10 Correct 1 ms 1492 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Correct 1 ms 1492 KB Output is correct
3 Correct 2 ms 1620 KB Output is correct
4 Correct 22 ms 3380 KB Output is correct
5 Correct 49 ms 6376 KB Output is correct
6 Correct 78 ms 5836 KB Output is correct
7 Correct 108 ms 11616 KB Output is correct
8 Correct 71 ms 5484 KB Output is correct
9 Correct 71 ms 5600 KB Output is correct
10 Correct 77 ms 8140 KB Output is correct
11 Correct 76 ms 6656 KB Output is correct
12 Correct 86 ms 5624 KB Output is correct
13 Correct 74 ms 5324 KB Output is correct
14 Correct 74 ms 6844 KB Output is correct
15 Correct 74 ms 6432 KB Output is correct

Subtask #3
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Correct 1 ms 1492 KB Output is correct
3 Correct 2 ms 1620 KB Output is correct
4 Correct 22 ms 3380 KB Output is correct
5 Correct 49 ms 6376 KB Output is correct
6 Correct 78 ms 5836 KB Output is correct
7 Correct 108 ms 11616 KB Output is correct
8 Correct 71 ms 5484 KB Output is correct
9 Correct 71 ms 5600 KB Output is correct
10 Correct 77 ms 8140 KB Output is correct
11 Correct 76 ms 6656 KB Output is correct
12 Correct 86 ms 5624 KB Output is correct
13 Correct 74 ms 5324 KB Output is correct
14 Correct 74 ms 6844 KB Output is correct
15 Correct 74 ms 6432 KB Output is correct
16 Correct 1 ms 1492 KB Output is correct
17 Correct 1 ms 1492 KB Output is correct
18 Correct 3 ms 1492 KB Output is correct
19 Correct 20 ms 2892 KB Output is correct
20 Correct 52 ms 3924 KB Output is correct
21 Correct 75 ms 5848 KB Output is correct
22 Correct 78 ms 4840 KB Output is correct
23 Correct 71 ms 5472 KB Output is correct
24 Correct 69 ms 4588 KB Output is correct
25 Correct 72 ms 4940 KB Output is correct
26 Correct 69 ms 4804 KB Output is correct
27 Correct 72 ms 5220 KB Output is correct
28 Correct 80 ms 6976 KB Output is correct
29 Correct 75 ms 4940 KB Output is correct
30 Correct 79 ms 5084 KB Output is correct

Subtask #4
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Correct 1 ms 1492 KB Output is correct
3 Correct 2 ms 1620 KB Output is correct
4 Correct 22 ms 3380 KB Output is correct
5 Correct 49 ms 6376 KB Output is correct
6 Correct 78 ms 5836 KB Output is correct
7 Correct 108 ms 11616 KB Output is correct
8 Correct 71 ms 5484 KB Output is correct
9 Correct 71 ms 5600 KB Output is correct
10 Correct 77 ms 8140 KB Output is correct
11 Correct 76 ms 6656 KB Output is correct
12 Correct 86 ms 5624 KB Output is correct
13 Correct 74 ms 5324 KB Output is correct
14 Correct 74 ms 6844 KB Output is correct
15 Correct 74 ms 6432 KB Output is correct
16 Correct 1 ms 1492 KB Output is correct
17 Correct 1 ms 1492 KB Output is correct
18 Correct 3 ms 1492 KB Output is correct
19 Correct 20 ms 2892 KB Output is correct
20 Correct 52 ms 3924 KB Output is correct
21 Correct 75 ms 5848 KB Output is correct
22 Correct 78 ms 4840 KB Output is correct
23 Correct 71 ms 5472 KB Output is correct
24 Correct 69 ms 4588 KB Output is correct
25 Correct 72 ms 4940 KB Output is correct
26 Correct 69 ms 4804 KB Output is correct
27 Correct 72 ms 5220 KB Output is correct
28 Correct 80 ms 6976 KB Output is correct
29 Correct 75 ms 4940 KB Output is correct
30 Correct 79 ms 5084 KB Output is correct
31 Correct 1 ms 1492 KB Output is correct
32 Correct 1 ms 1492 KB Output is correct
33 Correct 1 ms 1492 KB Output is correct
34 Correct 2 ms 1492 KB Output is correct
35 Correct 2 ms 1492 KB Output is correct
36 Correct 2 ms 1492 KB Output is correct
37 Correct 6 ms 1620 KB Output is correct
38 Correct 6 ms 1620 KB Output is correct
39 Correct 14 ms 1876 KB Output is correct
40 Correct 30 ms 2352 KB Output is correct
41 Correct 45 ms 2764 KB Output is correct
42 Correct 44 ms 2748 KB Output is correct
43 Correct 47 ms 2764 KB Output is correct
44 Correct 43 ms 2844 KB Output is correct
45 Correct 43 ms 2704 KB Output is correct
46 Correct 42 ms 2764 KB Output is correct
47 Correct 42 ms 2644 KB Output is correct
48 Correct 53 ms 2708 KB Output is correct
49 Correct 45 ms 2780 KB Output is correct
50 Correct 45 ms 2700 KB Output is correct
51 Correct 42 ms 2728 KB Output is correct
52 Correct 42 ms 2744 KB Output is correct
53 Correct 46 ms 2720 KB Output is correct
54 Correct 45 ms 2764 KB Output is correct
55 Correct 58 ms 2716 KB Output is correct
56 Correct 45 ms 2776 KB Output is correct
57 Correct 42 ms 2752 KB Output is correct
58 Correct 44 ms 2716 KB Output is correct
59 Correct 42 ms 2768 KB Output is correct
60 Correct 47 ms 2772 KB Output is correct

Subtask #5
26.0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Correct 1 ms 1492 KB Output is correct
3 Correct 1 ms 1492 KB Output is correct
4 Correct 1 ms 1492 KB Output is correct
5 Correct 1 ms 1492 KB Output is correct
6 Correct 1 ms 1492 KB Output is correct
7 Correct 1 ms 1492 KB Output is correct
8 Correct 1 ms 1492 KB Output is correct
9 Correct 1 ms 1492 KB Output is correct
10 Correct 1 ms 1492 KB Output is correct
11 Correct 1 ms 1492 KB Output is correct
12 Correct 1 ms 1492 KB Output is correct
13 Correct 2 ms 1620 KB Output is correct
14 Correct 22 ms 3380 KB Output is correct
15 Correct 49 ms 6376 KB Output is correct
16 Correct 78 ms 5836 KB Output is correct
17 Correct 108 ms 11616 KB Output is correct
18 Correct 71 ms 5484 KB Output is correct
19 Correct 71 ms 5600 KB Output is correct
20 Correct 77 ms 8140 KB Output is correct
21 Correct 76 ms 6656 KB Output is correct
22 Correct 86 ms 5624 KB Output is correct
23 Correct 74 ms 5324 KB Output is correct
24 Correct 74 ms 6844 KB Output is correct
25 Correct 74 ms 6432 KB Output is correct
26 Correct 1 ms 1492 KB Output is correct
27 Correct 1 ms 1492 KB Output is correct
28 Correct 3 ms 1492 KB Output is correct
29 Correct 20 ms 2892 KB Output is correct
30 Correct 52 ms 3924 KB Output is correct
31 Correct 75 ms 5848 KB Output is correct
32 Correct 78 ms 4840 KB Output is correct
33 Correct 71 ms 5472 KB Output is correct
34 Correct 69 ms 4588 KB Output is correct
35 Correct 72 ms 4940 KB Output is correct
36 Correct 69 ms 4804 KB Output is correct
37 Correct 72 ms 5220 KB Output is correct
38 Correct 80 ms 6976 KB Output is correct
39 Correct 75 ms 4940 KB Output is correct
40 Correct 79 ms 5084 KB Output is correct
41 Correct 1 ms 1492 KB Output is correct
42 Correct 1 ms 1492 KB Output is correct
43 Correct 1 ms 1492 KB Output is correct
44 Correct 2 ms 1492 KB Output is correct
45 Correct 2 ms 1492 KB Output is correct
46 Correct 2 ms 1492 KB Output is correct
47 Correct 6 ms 1620 KB Output is correct
48 Correct 6 ms 1620 KB Output is correct
49 Correct 14 ms 1876 KB Output is correct
50 Correct 30 ms 2352 KB Output is correct
51 Correct 45 ms 2764 KB Output is correct
52 Correct 44 ms 2748 KB Output is correct
53 Correct 47 ms 2764 KB Output is correct
54 Correct 43 ms 2844 KB Output is correct
55 Correct 43 ms 2704 KB Output is correct
56 Correct 42 ms 2764 KB Output is correct
57 Correct 42 ms 2644 KB Output is correct
58 Correct 53 ms 2708 KB Output is correct
59 Correct 45 ms 2780 KB Output is correct
60 Correct 45 ms 2700 KB Output is correct
61 Correct 42 ms 2728 KB Output is correct
62 Correct 42 ms 2744 KB Output is correct
63 Correct 46 ms 2720 KB Output is correct
64 Correct 45 ms 2764 KB Output is correct
65 Correct 58 ms 2716 KB Output is correct
66 Correct 45 ms 2776 KB Output is correct
67 Correct 42 ms 2752 KB Output is correct
68 Correct 44 ms 2716 KB Output is correct
69 Correct 42 ms 2768 KB Output is correct
70 Correct 47 ms 2772 KB Output is correct
71 Correct 7 ms 1680 KB Output is correct
72 Correct 7 ms 1620 KB Output is correct
73 Correct 7 ms 1620 KB Output is correct
74 Correct 7 ms 1680 KB Output is correct
75 Correct 6 ms 1620 KB Output is correct
76 Correct 11 ms 1884 KB Output is correct
77 Correct 10 ms 1876 KB Output is correct
78 Correct 11 ms 1880 KB Output is correct
79 Correct 11 ms 1876 KB Output is correct
80 Correct 11 ms 1880 KB Output is correct
81 Correct 21 ms 2384 KB Output is correct
82 Correct 23 ms 2264 KB Output is correct
83 Correct 22 ms 2268 KB Output is correct
84 Correct 21 ms 2268 KB Output is correct
85 Correct 29 ms 2260 KB Output is correct
86 Correct 20 ms 2296 KB Output is correct
87 Correct 21 ms 2272 KB Output is correct
88 Correct 20 ms 2260 KB Output is correct
89 Correct 20 ms 2268 KB Output is correct
90 Correct 22 ms 2260 KB Output is correct
91 Correct 28 ms 2672 KB Output is correct
92 Correct 26 ms 2644 KB Output is correct
93 Correct 28 ms 2648 KB Output is correct
94 Correct 28 ms 2656 KB Output is correct
95 Correct 36 ms 2652 KB Output is correct
96 Correct 30 ms 2656 KB Output is correct
97 Correct 28 ms 2652 KB Output is correct
98 Correct 28 ms 2664 KB Output is correct
99 Correct 28 ms 2644 KB Output is correct
100 Correct 28 ms 2664 KB Output is correct
101 Correct 29 ms 2656 KB Output is correct
102 Correct 28 ms 2656 KB Output is correct
103 Correct 32 ms 2644 KB Output is correct
104 Correct 30 ms 2664 KB Output is correct
105 Correct 39 ms 2640 KB Output is correct
106 Correct 26 ms 2652 KB Output is correct
107 Correct 27 ms 2660 KB Output is correct
108 Correct 26 ms 2652 KB Output is correct
109 Correct 27 ms 2636 KB Output is correct
110 Correct 27 ms 2644 KB Output is correct
111 Correct 28 ms 2652 KB Output is correct
112 Correct 30 ms 2636 KB Output is correct
113 Correct 37 ms 2636 KB Output is correct
114 Correct 29 ms 2656 KB Output is correct
115 Correct 27 ms 2636 KB Output is correct

Subtask #6
0 / 36.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Correct 1 ms 1492 KB Output is correct
3 Correct 1 ms 1492 KB Output is correct
4 Correct 1 ms 1492 KB Output is correct
5 Correct 1 ms 1492 KB Output is correct
6 Correct 1 ms 1492 KB Output is correct
7 Correct 1 ms 1492 KB Output is correct
8 Correct 1 ms 1492 KB Output is correct
9 Correct 1 ms 1492 KB Output is correct
10 Correct 1 ms 1492 KB Output is correct
11 Correct 1 ms 1492 KB Output is correct
12 Correct 1 ms 1492 KB Output is correct
13 Correct 2 ms 1620 KB Output is correct
14 Correct 22 ms 3380 KB Output is correct
15 Correct 49 ms 6376 KB Output is correct
16 Correct 78 ms 5836 KB Output is correct
17 Correct 108 ms 11616 KB Output is correct
18 Correct 71 ms 5484 KB Output is correct
19 Correct 71 ms 5600 KB Output is correct
20 Correct 77 ms 8140 KB Output is correct
21 Correct 76 ms 6656 KB Output is correct
22 Correct 86 ms 5624 KB Output is correct
23 Correct 74 ms 5324 KB Output is correct
24 Correct 74 ms 6844 KB Output is correct
25 Correct 74 ms 6432 KB Output is correct
26 Correct 1 ms 1492 KB Output is correct
27 Correct 1 ms 1492 KB Output is correct
28 Correct 3 ms 1492 KB Output is correct
29 Correct 20 ms 2892 KB Output is correct
30 Correct 52 ms 3924 KB Output is correct
31 Correct 75 ms 5848 KB Output is correct
32 Correct 78 ms 4840 KB Output is correct
33 Correct 71 ms 5472 KB Output is correct
34 Correct 69 ms 4588 KB Output is correct
35 Correct 72 ms 4940 KB Output is correct
36 Correct 69 ms 4804 KB Output is correct
37 Correct 72 ms 5220 KB Output is correct
38 Correct 80 ms 6976 KB Output is correct
39 Correct 75 ms 4940 KB Output is correct
40 Correct 79 ms 5084 KB Output is correct
41 Correct 1 ms 1492 KB Output is correct
42 Correct 1 ms 1492 KB Output is correct
43 Correct 1 ms 1492 KB Output is correct
44 Correct 2 ms 1492 KB Output is correct
45 Correct 2 ms 1492 KB Output is correct
46 Correct 2 ms 1492 KB Output is correct
47 Correct 6 ms 1620 KB Output is correct
48 Correct 6 ms 1620 KB Output is correct
49 Correct 14 ms 1876 KB Output is correct
50 Correct 30 ms 2352 KB Output is correct
51 Correct 45 ms 2764 KB Output is correct
52 Correct 44 ms 2748 KB Output is correct
53 Correct 47 ms 2764 KB Output is correct
54 Correct 43 ms 2844 KB Output is correct
55 Correct 43 ms 2704 KB Output is correct
56 Correct 42 ms 2764 KB Output is correct
57 Correct 42 ms 2644 KB Output is correct
58 Correct 53 ms 2708 KB Output is correct
59 Correct 45 ms 2780 KB Output is correct
60 Correct 45 ms 2700 KB Output is correct
61 Correct 42 ms 2728 KB Output is correct
62 Correct 42 ms 2744 KB Output is correct
63 Correct 46 ms 2720 KB Output is correct
64 Correct 45 ms 2764 KB Output is correct
65 Correct 58 ms 2716 KB Output is correct
66 Correct 45 ms 2776 KB Output is correct
67 Correct 42 ms 2752 KB Output is correct
68 Correct 44 ms 2716 KB Output is correct
69 Correct 42 ms 2768 KB Output is correct
70 Correct 47 ms 2772 KB Output is correct
71 Correct 7 ms 1680 KB Output is correct
72 Correct 7 ms 1620 KB Output is correct
73 Correct 7 ms 1620 KB Output is correct
74 Correct 7 ms 1680 KB Output is correct
75 Correct 6 ms 1620 KB Output is correct
76 Correct 11 ms 1884 KB Output is correct
77 Correct 10 ms 1876 KB Output is correct
78 Correct 11 ms 1880 KB Output is correct
79 Correct 11 ms 1876 KB Output is correct
80 Correct 11 ms 1880 KB Output is correct
81 Correct 21 ms 2384 KB Output is correct
82 Correct 23 ms 2264 KB Output is correct
83 Correct 22 ms 2268 KB Output is correct
84 Correct 21 ms 2268 KB Output is correct
85 Correct 29 ms 2260 KB Output is correct
86 Correct 20 ms 2296 KB Output is correct
87 Correct 21 ms 2272 KB Output is correct
88 Correct 20 ms 2260 KB Output is correct
89 Correct 20 ms 2268 KB Output is correct
90 Correct 22 ms 2260 KB Output is correct
91 Correct 28 ms 2672 KB Output is correct
92 Correct 26 ms 2644 KB Output is correct
93 Correct 28 ms 2648 KB Output is correct
94 Correct 28 ms 2656 KB Output is correct
95 Correct 36 ms 2652 KB Output is correct
96 Correct 30 ms 2656 KB Output is correct
97 Correct 28 ms 2652 KB Output is correct
98 Correct 28 ms 2664 KB Output is correct
99 Correct 28 ms 2644 KB Output is correct
100 Correct 28 ms 2664 KB Output is correct
101 Correct 29 ms 2656 KB Output is correct
102 Correct 28 ms 2656 KB Output is correct
103 Correct 32 ms 2644 KB Output is correct
104 Correct 30 ms 2664 KB Output is correct
105 Correct 39 ms 2640 KB Output is correct
106 Correct 26 ms 2652 KB Output is correct
107 Correct 27 ms 2660 KB Output is correct
108 Correct 26 ms 2652 KB Output is correct
109 Correct 27 ms 2636 KB Output is correct
110 Correct 27 ms 2644 KB Output is correct
111 Correct 28 ms 2652 KB Output is correct
112 Correct 30 ms 2636 KB Output is correct
113 Correct 37 ms 2636 KB Output is correct
114 Correct 29 ms 2656 KB Output is correct
115 Correct 27 ms 2636 KB Output is correct
116 Correct 928 ms 2936 KB Output is correct
117 Correct 628 ms 2920 KB Output is correct
118 Correct 3558 ms 3308 KB Output is correct
119 Correct 1497 ms 3216 KB Output is correct
120 Correct 1258 ms 3200 KB Output is correct
121 Correct 2884 ms 3420 KB Output is correct
122 Correct 2366 ms 3408 KB Output is correct
123 Execution timed out 7090 ms 3280 KB Time limit exceeded
124 Halted 0 ms 0 KB -