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Submission #576851

# Submission time Handle Problem Language Result Execution time Memory
576851 2022-06-13T16:20:11 Z talant117408 Diversity (CEOI21_diversity) C++17
64 / 100
 7000 ms 3648 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;

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

ll calc2(ll 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]]--;
            if (comp[freq[n]] == 0) comp.erase(freq[n]);
        }
        freq[n]++;
        comp[freq[n]]++;
        N++;
    }
    void remove(int n) {
        comp[freq[n]]--;
        if (comp[freq[n]] == 0) comp.erase(freq[n]);
        freq[n]--;
        if (freq[n]) comp[freq[n]]++;
        N--;
    }
    ll get() {
        int saizu = 0;  
        deque <pll> 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;
        }
        ll l = 0, r;
        ll ans = 0;
        for (auto p : K) {
            ll x = p.first, k = p.second;
            r = N-l-x;
            ll a = k*calc(x);
            ll b = k*l + x*calc(k-1);
            ll c = k*r - x*calc(k-1);
            ll 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

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Correct 1 ms 1492 KB Output is correct
3 Correct 1 ms 1408 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 1468 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 1472 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Correct 2 ms 1492 KB Output is correct
3 Correct 3 ms 1448 KB Output is correct
4 Correct 16 ms 2004 KB Output is correct
5 Correct 32 ms 2452 KB Output is correct
6 Correct 47 ms 2916 KB Output is correct
7 Correct 43 ms 2852 KB Output is correct
8 Correct 45 ms 2824 KB Output is correct
9 Correct 57 ms 2912 KB Output is correct
10 Correct 46 ms 2920 KB Output is correct
11 Correct 49 ms 2892 KB Output is correct
12 Correct 50 ms 2812 KB Output is correct
13 Correct 44 ms 2836 KB Output is correct
14 Correct 51 ms 2916 KB Output is correct
15 Correct 52 ms 2920 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Correct 2 ms 1492 KB Output is correct
3 Correct 3 ms 1448 KB Output is correct
4 Correct 16 ms 2004 KB Output is correct
5 Correct 32 ms 2452 KB Output is correct
6 Correct 47 ms 2916 KB Output is correct
7 Correct 43 ms 2852 KB Output is correct
8 Correct 45 ms 2824 KB Output is correct
9 Correct 57 ms 2912 KB Output is correct
10 Correct 46 ms 2920 KB Output is correct
11 Correct 49 ms 2892 KB Output is correct
12 Correct 50 ms 2812 KB Output is correct
13 Correct 44 ms 2836 KB Output is correct
14 Correct 51 ms 2916 KB Output is correct
15 Correct 52 ms 2920 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 21 ms 2136 KB Output is correct
20 Correct 36 ms 2556 KB Output is correct
21 Correct 54 ms 2824 KB Output is correct
22 Correct 63 ms 2916 KB Output is correct
23 Correct 62 ms 2924 KB Output is correct
24 Correct 58 ms 2916 KB Output is correct
25 Correct 57 ms 2916 KB Output is correct
26 Correct 63 ms 2916 KB Output is correct
27 Correct 56 ms 2800 KB Output is correct
28 Correct 55 ms 2888 KB Output is correct
29 Correct 60 ms 2892 KB Output is correct
30 Correct 56 ms 2852 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Correct 2 ms 1492 KB Output is correct
3 Correct 3 ms 1448 KB Output is correct
4 Correct 16 ms 2004 KB Output is correct
5 Correct 32 ms 2452 KB Output is correct
6 Correct 47 ms 2916 KB Output is correct
7 Correct 43 ms 2852 KB Output is correct
8 Correct 45 ms 2824 KB Output is correct
9 Correct 57 ms 2912 KB Output is correct
10 Correct 46 ms 2920 KB Output is correct
11 Correct 49 ms 2892 KB Output is correct
12 Correct 50 ms 2812 KB Output is correct
13 Correct 44 ms 2836 KB Output is correct
14 Correct 51 ms 2916 KB Output is correct
15 Correct 52 ms 2920 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 21 ms 2136 KB Output is correct
20 Correct 36 ms 2556 KB Output is correct
21 Correct 54 ms 2824 KB Output is correct
22 Correct 63 ms 2916 KB Output is correct
23 Correct 62 ms 2924 KB Output is correct
24 Correct 58 ms 2916 KB Output is correct
25 Correct 57 ms 2916 KB Output is correct
26 Correct 63 ms 2916 KB Output is correct
27 Correct 56 ms 2800 KB Output is correct
28 Correct 55 ms 2888 KB Output is correct
29 Correct 60 ms 2892 KB Output is correct
30 Correct 56 ms 2852 KB Output is correct
31 Correct 2 ms 1468 KB Output is correct
32 Correct 1 ms 1492 KB Output is correct
33 Correct 1 ms 1492 KB Output is correct
34 Correct 3 ms 1492 KB Output is correct
35 Correct 3 ms 1492 KB Output is correct
36 Correct 2 ms 1492 KB Output is correct
37 Correct 11 ms 1980 KB Output is correct
38 Correct 9 ms 1876 KB Output is correct
39 Correct 23 ms 2228 KB Output is correct
40 Correct 44 ms 2536 KB Output is correct
41 Correct 73 ms 2996 KB Output is correct
42 Correct 70 ms 2920 KB Output is correct
43 Correct 77 ms 3004 KB Output is correct
44 Correct 84 ms 2892 KB Output is correct
45 Correct 76 ms 2856 KB Output is correct
46 Correct 69 ms 2940 KB Output is correct
47 Correct 72 ms 2948 KB Output is correct
48 Correct 75 ms 2936 KB Output is correct
49 Correct 79 ms 2892 KB Output is correct
50 Correct 71 ms 2944 KB Output is correct
51 Correct 69 ms 2876 KB Output is correct
52 Correct 71 ms 2932 KB Output is correct
53 Correct 80 ms 2856 KB Output is correct
54 Correct 70 ms 2944 KB Output is correct
55 Correct 70 ms 2924 KB Output is correct
56 Correct 72 ms 2972 KB Output is correct
57 Correct 70 ms 2948 KB Output is correct
58 Correct 79 ms 2916 KB Output is correct
59 Correct 70 ms 2928 KB Output is correct
60 Correct 77 ms 2892 KB Output is correct

Subtask #5
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Correct 1 ms 1492 KB Output is correct
3 Correct 1 ms 1408 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 1468 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 1472 KB Output is correct
11 Correct 1 ms 1492 KB Output is correct
12 Correct 2 ms 1492 KB Output is correct
13 Correct 3 ms 1448 KB Output is correct
14 Correct 16 ms 2004 KB Output is correct
15 Correct 32 ms 2452 KB Output is correct
16 Correct 47 ms 2916 KB Output is correct
17 Correct 43 ms 2852 KB Output is correct
18 Correct 45 ms 2824 KB Output is correct
19 Correct 57 ms 2912 KB Output is correct
20 Correct 46 ms 2920 KB Output is correct
21 Correct 49 ms 2892 KB Output is correct
22 Correct 50 ms 2812 KB Output is correct
23 Correct 44 ms 2836 KB Output is correct
24 Correct 51 ms 2916 KB Output is correct
25 Correct 52 ms 2920 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 21 ms 2136 KB Output is correct
30 Correct 36 ms 2556 KB Output is correct
31 Correct 54 ms 2824 KB Output is correct
32 Correct 63 ms 2916 KB Output is correct
33 Correct 62 ms 2924 KB Output is correct
34 Correct 58 ms 2916 KB Output is correct
35 Correct 57 ms 2916 KB Output is correct
36 Correct 63 ms 2916 KB Output is correct
37 Correct 56 ms 2800 KB Output is correct
38 Correct 55 ms 2888 KB Output is correct
39 Correct 60 ms 2892 KB Output is correct
40 Correct 56 ms 2852 KB Output is correct
41 Correct 2 ms 1468 KB Output is correct
42 Correct 1 ms 1492 KB Output is correct
43 Correct 1 ms 1492 KB Output is correct
44 Correct 3 ms 1492 KB Output is correct
45 Correct 3 ms 1492 KB Output is correct
46 Correct 2 ms 1492 KB Output is correct
47 Correct 11 ms 1980 KB Output is correct
48 Correct 9 ms 1876 KB Output is correct
49 Correct 23 ms 2228 KB Output is correct
50 Correct 44 ms 2536 KB Output is correct
51 Correct 73 ms 2996 KB Output is correct
52 Correct 70 ms 2920 KB Output is correct
53 Correct 77 ms 3004 KB Output is correct
54 Correct 84 ms 2892 KB Output is correct
55 Correct 76 ms 2856 KB Output is correct
56 Correct 69 ms 2940 KB Output is correct
57 Correct 72 ms 2948 KB Output is correct
58 Correct 75 ms 2936 KB Output is correct
59 Correct 79 ms 2892 KB Output is correct
60 Correct 71 ms 2944 KB Output is correct
61 Correct 69 ms 2876 KB Output is correct
62 Correct 71 ms 2932 KB Output is correct
63 Correct 80 ms 2856 KB Output is correct
64 Correct 70 ms 2944 KB Output is correct
65 Correct 70 ms 2924 KB Output is correct
66 Correct 72 ms 2972 KB Output is correct
67 Correct 70 ms 2948 KB Output is correct
68 Correct 79 ms 2916 KB Output is correct
69 Correct 70 ms 2928 KB Output is correct
70 Correct 77 ms 2892 KB Output is correct
71 Correct 9 ms 1920 KB Output is correct
72 Correct 7 ms 1876 KB Output is correct
73 Correct 8 ms 1876 KB Output is correct
74 Correct 8 ms 1904 KB Output is correct
75 Correct 8 ms 1876 KB Output is correct
76 Correct 16 ms 2116 KB Output is correct
77 Correct 17 ms 2112 KB Output is correct
78 Correct 16 ms 2024 KB Output is correct
79 Correct 15 ms 2132 KB Output is correct
80 Correct 13 ms 2128 KB Output is correct
81 Correct 25 ms 2456 KB Output is correct
82 Correct 26 ms 2496 KB Output is correct
83 Correct 27 ms 2440 KB Output is correct
84 Correct 27 ms 2520 KB Output is correct
85 Correct 27 ms 2508 KB Output is correct
86 Correct 27 ms 2424 KB Output is correct
87 Correct 43 ms 2548 KB Output is correct
88 Correct 24 ms 2444 KB Output is correct
89 Correct 26 ms 2516 KB Output is correct
90 Correct 23 ms 2504 KB Output is correct
91 Correct 32 ms 2892 KB Output is correct
92 Correct 41 ms 2888 KB Output is correct
93 Correct 34 ms 2908 KB Output is correct
94 Correct 33 ms 2916 KB Output is correct
95 Correct 29 ms 2892 KB Output is correct
96 Correct 34 ms 2932 KB Output is correct
97 Correct 31 ms 2876 KB Output is correct
98 Correct 29 ms 2920 KB Output is correct
99 Correct 29 ms 2872 KB Output is correct
100 Correct 29 ms 2892 KB Output is correct
101 Correct 40 ms 2896 KB Output is correct
102 Correct 39 ms 2796 KB Output is correct
103 Correct 36 ms 2892 KB Output is correct
104 Correct 33 ms 2896 KB Output is correct
105 Correct 36 ms 3104 KB Output is correct
106 Correct 28 ms 2896 KB Output is correct
107 Correct 32 ms 3020 KB Output is correct
108 Correct 31 ms 2960 KB Output is correct
109 Correct 28 ms 2904 KB Output is correct
110 Correct 35 ms 2836 KB Output is correct
111 Correct 34 ms 2896 KB Output is correct
112 Correct 33 ms 2872 KB Output is correct
113 Correct 31 ms 2888 KB Output is correct
114 Correct 27 ms 2868 KB Output is correct
115 Correct 30 ms 2944 KB Output is correct

Subtask #6
0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1492 KB Output is correct
2 Correct 1 ms 1492 KB Output is correct
3 Correct 1 ms 1408 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 1468 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 1472 KB Output is correct
11 Correct 1 ms 1492 KB Output is correct
12 Correct 2 ms 1492 KB Output is correct
13 Correct 3 ms 1448 KB Output is correct
14 Correct 16 ms 2004 KB Output is correct
15 Correct 32 ms 2452 KB Output is correct
16 Correct 47 ms 2916 KB Output is correct
17 Correct 43 ms 2852 KB Output is correct
18 Correct 45 ms 2824 KB Output is correct
19 Correct 57 ms 2912 KB Output is correct
20 Correct 46 ms 2920 KB Output is correct
21 Correct 49 ms 2892 KB Output is correct
22 Correct 50 ms 2812 KB Output is correct
23 Correct 44 ms 2836 KB Output is correct
24 Correct 51 ms 2916 KB Output is correct
25 Correct 52 ms 2920 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 21 ms 2136 KB Output is correct
30 Correct 36 ms 2556 KB Output is correct
31 Correct 54 ms 2824 KB Output is correct
32 Correct 63 ms 2916 KB Output is correct
33 Correct 62 ms 2924 KB Output is correct
34 Correct 58 ms 2916 KB Output is correct
35 Correct 57 ms 2916 KB Output is correct
36 Correct 63 ms 2916 KB Output is correct
37 Correct 56 ms 2800 KB Output is correct
38 Correct 55 ms 2888 KB Output is correct
39 Correct 60 ms 2892 KB Output is correct
40 Correct 56 ms 2852 KB Output is correct
41 Correct 2 ms 1468 KB Output is correct
42 Correct 1 ms 1492 KB Output is correct
43 Correct 1 ms 1492 KB Output is correct
44 Correct 3 ms 1492 KB Output is correct
45 Correct 3 ms 1492 KB Output is correct
46 Correct 2 ms 1492 KB Output is correct
47 Correct 11 ms 1980 KB Output is correct
48 Correct 9 ms 1876 KB Output is correct
49 Correct 23 ms 2228 KB Output is correct
50 Correct 44 ms 2536 KB Output is correct
51 Correct 73 ms 2996 KB Output is correct
52 Correct 70 ms 2920 KB Output is correct
53 Correct 77 ms 3004 KB Output is correct
54 Correct 84 ms 2892 KB Output is correct
55 Correct 76 ms 2856 KB Output is correct
56 Correct 69 ms 2940 KB Output is correct
57 Correct 72 ms 2948 KB Output is correct
58 Correct 75 ms 2936 KB Output is correct
59 Correct 79 ms 2892 KB Output is correct
60 Correct 71 ms 2944 KB Output is correct
61 Correct 69 ms 2876 KB Output is correct
62 Correct 71 ms 2932 KB Output is correct
63 Correct 80 ms 2856 KB Output is correct
64 Correct 70 ms 2944 KB Output is correct
65 Correct 70 ms 2924 KB Output is correct
66 Correct 72 ms 2972 KB Output is correct
67 Correct 70 ms 2948 KB Output is correct
68 Correct 79 ms 2916 KB Output is correct
69 Correct 70 ms 2928 KB Output is correct
70 Correct 77 ms 2892 KB Output is correct
71 Correct 9 ms 1920 KB Output is correct
72 Correct 7 ms 1876 KB Output is correct
73 Correct 8 ms 1876 KB Output is correct
74 Correct 8 ms 1904 KB Output is correct
75 Correct 8 ms 1876 KB Output is correct
76 Correct 16 ms 2116 KB Output is correct
77 Correct 17 ms 2112 KB Output is correct
78 Correct 16 ms 2024 KB Output is correct
79 Correct 15 ms 2132 KB Output is correct
80 Correct 13 ms 2128 KB Output is correct
81 Correct 25 ms 2456 KB Output is correct
82 Correct 26 ms 2496 KB Output is correct
83 Correct 27 ms 2440 KB Output is correct
84 Correct 27 ms 2520 KB Output is correct
85 Correct 27 ms 2508 KB Output is correct
86 Correct 27 ms 2424 KB Output is correct
87 Correct 43 ms 2548 KB Output is correct
88 Correct 24 ms 2444 KB Output is correct
89 Correct 26 ms 2516 KB Output is correct
90 Correct 23 ms 2504 KB Output is correct
91 Correct 32 ms 2892 KB Output is correct
92 Correct 41 ms 2888 KB Output is correct
93 Correct 34 ms 2908 KB Output is correct
94 Correct 33 ms 2916 KB Output is correct
95 Correct 29 ms 2892 KB Output is correct
96 Correct 34 ms 2932 KB Output is correct
97 Correct 31 ms 2876 KB Output is correct
98 Correct 29 ms 2920 KB Output is correct
99 Correct 29 ms 2872 KB Output is correct
100 Correct 29 ms 2892 KB Output is correct
101 Correct 40 ms 2896 KB Output is correct
102 Correct 39 ms 2796 KB Output is correct
103 Correct 36 ms 2892 KB Output is correct
104 Correct 33 ms 2896 KB Output is correct
105 Correct 36 ms 3104 KB Output is correct
106 Correct 28 ms 2896 KB Output is correct
107 Correct 32 ms 3020 KB Output is correct
108 Correct 31 ms 2960 KB Output is correct
109 Correct 28 ms 2904 KB Output is correct
110 Correct 35 ms 2836 KB Output is correct
111 Correct 34 ms 2896 KB Output is correct
112 Correct 33 ms 2872 KB Output is correct
113 Correct 31 ms 2888 KB Output is correct
114 Correct 27 ms 2868 KB Output is correct
115 Correct 30 ms 2944 KB Output is correct
116 Correct 490 ms 3156 KB Output is correct
117 Correct 483 ms 3148 KB Output is correct
118 Correct 2907 ms 3440 KB Output is correct
119 Correct 1976 ms 3452 KB Output is correct
120 Correct 1402 ms 3452 KB Output is correct
121 Correct 4388 ms 3648 KB Output is correct
122 Correct 3091 ms 3644 KB Output is correct
123 Execution timed out 7072 ms 3532 KB Time limit exceeded
124 Halted 0 ms 0 KB -