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Submission #576870

# Submission time Handle Problem Language Result Execution time Memory
576870 2022-06-13T16:48:20 Z talant117408 Diversity (CEOI21_diversity) C++17
64 / 100
 7000 ms 11604 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)) >> 1;
}

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

void solve() {
    int n, q;
    cin >> n >> q;
    
    int BLOCK = 350;
    vector <int> v(n);
    vector <int64_t> 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 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

# 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 3 ms 1620 KB Output is correct
4 Correct 22 ms 3404 KB Output is correct
5 Correct 49 ms 6396 KB Output is correct
6 Correct 77 ms 5800 KB Output is correct
7 Correct 92 ms 11604 KB Output is correct
8 Correct 90 ms 5440 KB Output is correct
9 Correct 74 ms 5628 KB Output is correct
10 Correct 78 ms 8100 KB Output is correct
11 Correct 73 ms 6616 KB Output is correct
12 Correct 72 ms 5588 KB Output is correct
13 Correct 75 ms 5352 KB Output is correct
14 Correct 80 ms 6864 KB Output is correct
15 Correct 89 ms 6420 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 1 ms 1492 KB Output is correct
3 Correct 3 ms 1620 KB Output is correct
4 Correct 22 ms 3404 KB Output is correct
5 Correct 49 ms 6396 KB Output is correct
6 Correct 77 ms 5800 KB Output is correct
7 Correct 92 ms 11604 KB Output is correct
8 Correct 90 ms 5440 KB Output is correct
9 Correct 74 ms 5628 KB Output is correct
10 Correct 78 ms 8100 KB Output is correct
11 Correct 73 ms 6616 KB Output is correct
12 Correct 72 ms 5588 KB Output is correct
13 Correct 75 ms 5352 KB Output is correct
14 Correct 80 ms 6864 KB Output is correct
15 Correct 89 ms 6420 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 1620 KB Output is correct
19 Correct 20 ms 2764 KB Output is correct
20 Correct 45 ms 3928 KB Output is correct
21 Correct 71 ms 5848 KB Output is correct
22 Correct 72 ms 4824 KB Output is correct
23 Correct 78 ms 5444 KB Output is correct
24 Correct 79 ms 4608 KB Output is correct
25 Correct 85 ms 4956 KB Output is correct
26 Correct 75 ms 4816 KB Output is correct
27 Correct 71 ms 5188 KB Output is correct
28 Correct 76 ms 6952 KB Output is correct
29 Correct 72 ms 4900 KB Output is correct
30 Correct 67 ms 5000 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 1 ms 1492 KB Output is correct
3 Correct 3 ms 1620 KB Output is correct
4 Correct 22 ms 3404 KB Output is correct
5 Correct 49 ms 6396 KB Output is correct
6 Correct 77 ms 5800 KB Output is correct
7 Correct 92 ms 11604 KB Output is correct
8 Correct 90 ms 5440 KB Output is correct
9 Correct 74 ms 5628 KB Output is correct
10 Correct 78 ms 8100 KB Output is correct
11 Correct 73 ms 6616 KB Output is correct
12 Correct 72 ms 5588 KB Output is correct
13 Correct 75 ms 5352 KB Output is correct
14 Correct 80 ms 6864 KB Output is correct
15 Correct 89 ms 6420 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 1620 KB Output is correct
19 Correct 20 ms 2764 KB Output is correct
20 Correct 45 ms 3928 KB Output is correct
21 Correct 71 ms 5848 KB Output is correct
22 Correct 72 ms 4824 KB Output is correct
23 Correct 78 ms 5444 KB Output is correct
24 Correct 79 ms 4608 KB Output is correct
25 Correct 85 ms 4956 KB Output is correct
26 Correct 75 ms 4816 KB Output is correct
27 Correct 71 ms 5188 KB Output is correct
28 Correct 76 ms 6952 KB Output is correct
29 Correct 72 ms 4900 KB Output is correct
30 Correct 67 ms 5000 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 1444 KB Output is correct
34 Correct 3 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 8 ms 1716 KB Output is correct
38 Correct 6 ms 1620 KB Output is correct
39 Correct 14 ms 1876 KB Output is correct
40 Correct 28 ms 2348 KB Output is correct
41 Correct 42 ms 2656 KB Output is correct
42 Correct 42 ms 2724 KB Output is correct
43 Correct 43 ms 2740 KB Output is correct
44 Correct 52 ms 2764 KB Output is correct
45 Correct 55 ms 2632 KB Output is correct
46 Correct 41 ms 2724 KB Output is correct
47 Correct 40 ms 2688 KB Output is correct
48 Correct 41 ms 2780 KB Output is correct
49 Correct 40 ms 2740 KB Output is correct
50 Correct 44 ms 2660 KB Output is correct
51 Correct 51 ms 2772 KB Output is correct
52 Correct 42 ms 2712 KB Output is correct
53 Correct 42 ms 2684 KB Output is correct
54 Correct 43 ms 2780 KB Output is correct
55 Correct 42 ms 2716 KB Output is correct
56 Correct 41 ms 2764 KB Output is correct
57 Correct 53 ms 2776 KB Output is correct
58 Correct 46 ms 2648 KB Output is correct
59 Correct 50 ms 2776 KB Output is correct
60 Correct 42 ms 2764 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 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 3 ms 1620 KB Output is correct
14 Correct 22 ms 3404 KB Output is correct
15 Correct 49 ms 6396 KB Output is correct
16 Correct 77 ms 5800 KB Output is correct
17 Correct 92 ms 11604 KB Output is correct
18 Correct 90 ms 5440 KB Output is correct
19 Correct 74 ms 5628 KB Output is correct
20 Correct 78 ms 8100 KB Output is correct
21 Correct 73 ms 6616 KB Output is correct
22 Correct 72 ms 5588 KB Output is correct
23 Correct 75 ms 5352 KB Output is correct
24 Correct 80 ms 6864 KB Output is correct
25 Correct 89 ms 6420 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 1620 KB Output is correct
29 Correct 20 ms 2764 KB Output is correct
30 Correct 45 ms 3928 KB Output is correct
31 Correct 71 ms 5848 KB Output is correct
32 Correct 72 ms 4824 KB Output is correct
33 Correct 78 ms 5444 KB Output is correct
34 Correct 79 ms 4608 KB Output is correct
35 Correct 85 ms 4956 KB Output is correct
36 Correct 75 ms 4816 KB Output is correct
37 Correct 71 ms 5188 KB Output is correct
38 Correct 76 ms 6952 KB Output is correct
39 Correct 72 ms 4900 KB Output is correct
40 Correct 67 ms 5000 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 1444 KB Output is correct
44 Correct 3 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 8 ms 1716 KB Output is correct
48 Correct 6 ms 1620 KB Output is correct
49 Correct 14 ms 1876 KB Output is correct
50 Correct 28 ms 2348 KB Output is correct
51 Correct 42 ms 2656 KB Output is correct
52 Correct 42 ms 2724 KB Output is correct
53 Correct 43 ms 2740 KB Output is correct
54 Correct 52 ms 2764 KB Output is correct
55 Correct 55 ms 2632 KB Output is correct
56 Correct 41 ms 2724 KB Output is correct
57 Correct 40 ms 2688 KB Output is correct
58 Correct 41 ms 2780 KB Output is correct
59 Correct 40 ms 2740 KB Output is correct
60 Correct 44 ms 2660 KB Output is correct
61 Correct 51 ms 2772 KB Output is correct
62 Correct 42 ms 2712 KB Output is correct
63 Correct 42 ms 2684 KB Output is correct
64 Correct 43 ms 2780 KB Output is correct
65 Correct 42 ms 2716 KB Output is correct
66 Correct 41 ms 2764 KB Output is correct
67 Correct 53 ms 2776 KB Output is correct
68 Correct 46 ms 2648 KB Output is correct
69 Correct 50 ms 2776 KB Output is correct
70 Correct 42 ms 2764 KB Output is correct
71 Correct 6 ms 1620 KB Output is correct
72 Correct 6 ms 1708 KB Output is correct
73 Correct 6 ms 1680 KB Output is correct
74 Correct 7 ms 1692 KB Output is correct
75 Correct 6 ms 1620 KB Output is correct
76 Correct 16 ms 1876 KB Output is correct
77 Correct 11 ms 1900 KB Output is correct
78 Correct 12 ms 1876 KB Output is correct
79 Correct 11 ms 1876 KB Output is correct
80 Correct 11 ms 1876 KB Output is correct
81 Correct 23 ms 2268 KB Output is correct
82 Correct 20 ms 2304 KB Output is correct
83 Correct 20 ms 2296 KB Output is correct
84 Correct 21 ms 2292 KB Output is correct
85 Correct 21 ms 2268 KB Output is correct
86 Correct 22 ms 2272 KB Output is correct
87 Correct 23 ms 2268 KB Output is correct
88 Correct 23 ms 2268 KB Output is correct
89 Correct 22 ms 2264 KB Output is correct
90 Correct 26 ms 2268 KB Output is correct
91 Correct 27 ms 2644 KB Output is correct
92 Correct 28 ms 2652 KB Output is correct
93 Correct 30 ms 2656 KB Output is correct
94 Correct 30 ms 2660 KB Output is correct
95 Correct 29 ms 2660 KB Output is correct
96 Correct 29 ms 2652 KB Output is correct
97 Correct 29 ms 2652 KB Output is correct
98 Correct 35 ms 2644 KB Output is correct
99 Correct 28 ms 2656 KB Output is correct
100 Correct 37 ms 2652 KB Output is correct
101 Correct 36 ms 2660 KB Output is correct
102 Correct 27 ms 2664 KB Output is correct
103 Correct 31 ms 2648 KB Output is correct
104 Correct 27 ms 2648 KB Output is correct
105 Correct 28 ms 2660 KB Output is correct
106 Correct 27 ms 2656 KB Output is correct
107 Correct 28 ms 2632 KB Output is correct
108 Correct 29 ms 2652 KB Output is correct
109 Correct 28 ms 2660 KB Output is correct
110 Correct 26 ms 2660 KB Output is correct
111 Correct 26 ms 2648 KB Output is correct
112 Correct 26 ms 2656 KB Output is correct
113 Correct 26 ms 2644 KB Output is correct
114 Correct 26 ms 2648 KB Output is correct
115 Correct 28 ms 2656 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 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 3 ms 1620 KB Output is correct
14 Correct 22 ms 3404 KB Output is correct
15 Correct 49 ms 6396 KB Output is correct
16 Correct 77 ms 5800 KB Output is correct
17 Correct 92 ms 11604 KB Output is correct
18 Correct 90 ms 5440 KB Output is correct
19 Correct 74 ms 5628 KB Output is correct
20 Correct 78 ms 8100 KB Output is correct
21 Correct 73 ms 6616 KB Output is correct
22 Correct 72 ms 5588 KB Output is correct
23 Correct 75 ms 5352 KB Output is correct
24 Correct 80 ms 6864 KB Output is correct
25 Correct 89 ms 6420 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 1620 KB Output is correct
29 Correct 20 ms 2764 KB Output is correct
30 Correct 45 ms 3928 KB Output is correct
31 Correct 71 ms 5848 KB Output is correct
32 Correct 72 ms 4824 KB Output is correct
33 Correct 78 ms 5444 KB Output is correct
34 Correct 79 ms 4608 KB Output is correct
35 Correct 85 ms 4956 KB Output is correct
36 Correct 75 ms 4816 KB Output is correct
37 Correct 71 ms 5188 KB Output is correct
38 Correct 76 ms 6952 KB Output is correct
39 Correct 72 ms 4900 KB Output is correct
40 Correct 67 ms 5000 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 1444 KB Output is correct
44 Correct 3 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 8 ms 1716 KB Output is correct
48 Correct 6 ms 1620 KB Output is correct
49 Correct 14 ms 1876 KB Output is correct
50 Correct 28 ms 2348 KB Output is correct
51 Correct 42 ms 2656 KB Output is correct
52 Correct 42 ms 2724 KB Output is correct
53 Correct 43 ms 2740 KB Output is correct
54 Correct 52 ms 2764 KB Output is correct
55 Correct 55 ms 2632 KB Output is correct
56 Correct 41 ms 2724 KB Output is correct
57 Correct 40 ms 2688 KB Output is correct
58 Correct 41 ms 2780 KB Output is correct
59 Correct 40 ms 2740 KB Output is correct
60 Correct 44 ms 2660 KB Output is correct
61 Correct 51 ms 2772 KB Output is correct
62 Correct 42 ms 2712 KB Output is correct
63 Correct 42 ms 2684 KB Output is correct
64 Correct 43 ms 2780 KB Output is correct
65 Correct 42 ms 2716 KB Output is correct
66 Correct 41 ms 2764 KB Output is correct
67 Correct 53 ms 2776 KB Output is correct
68 Correct 46 ms 2648 KB Output is correct
69 Correct 50 ms 2776 KB Output is correct
70 Correct 42 ms 2764 KB Output is correct
71 Correct 6 ms 1620 KB Output is correct
72 Correct 6 ms 1708 KB Output is correct
73 Correct 6 ms 1680 KB Output is correct
74 Correct 7 ms 1692 KB Output is correct
75 Correct 6 ms 1620 KB Output is correct
76 Correct 16 ms 1876 KB Output is correct
77 Correct 11 ms 1900 KB Output is correct
78 Correct 12 ms 1876 KB Output is correct
79 Correct 11 ms 1876 KB Output is correct
80 Correct 11 ms 1876 KB Output is correct
81 Correct 23 ms 2268 KB Output is correct
82 Correct 20 ms 2304 KB Output is correct
83 Correct 20 ms 2296 KB Output is correct
84 Correct 21 ms 2292 KB Output is correct
85 Correct 21 ms 2268 KB Output is correct
86 Correct 22 ms 2272 KB Output is correct
87 Correct 23 ms 2268 KB Output is correct
88 Correct 23 ms 2268 KB Output is correct
89 Correct 22 ms 2264 KB Output is correct
90 Correct 26 ms 2268 KB Output is correct
91 Correct 27 ms 2644 KB Output is correct
92 Correct 28 ms 2652 KB Output is correct
93 Correct 30 ms 2656 KB Output is correct
94 Correct 30 ms 2660 KB Output is correct
95 Correct 29 ms 2660 KB Output is correct
96 Correct 29 ms 2652 KB Output is correct
97 Correct 29 ms 2652 KB Output is correct
98 Correct 35 ms 2644 KB Output is correct
99 Correct 28 ms 2656 KB Output is correct
100 Correct 37 ms 2652 KB Output is correct
101 Correct 36 ms 2660 KB Output is correct
102 Correct 27 ms 2664 KB Output is correct
103 Correct 31 ms 2648 KB Output is correct
104 Correct 27 ms 2648 KB Output is correct
105 Correct 28 ms 2660 KB Output is correct
106 Correct 27 ms 2656 KB Output is correct
107 Correct 28 ms 2632 KB Output is correct
108 Correct 29 ms 2652 KB Output is correct
109 Correct 28 ms 2660 KB Output is correct
110 Correct 26 ms 2660 KB Output is correct
111 Correct 26 ms 2648 KB Output is correct
112 Correct 26 ms 2656 KB Output is correct
113 Correct 26 ms 2644 KB Output is correct
114 Correct 26 ms 2648 KB Output is correct
115 Correct 28 ms 2656 KB Output is correct
116 Correct 1121 ms 2932 KB Output is correct
117 Correct 776 ms 3020 KB Output is correct
118 Correct 3321 ms 3304 KB Output is correct
119 Correct 1362 ms 3212 KB Output is correct
120 Correct 1119 ms 3200 KB Output is correct
121 Correct 2767 ms 3412 KB Output is correct
122 Correct 2238 ms 3404 KB Output is correct
123 Execution timed out 7088 ms 3276 KB Time limit exceeded
124 Halted 0 ms 0 KB -