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Submission #576847

# Submission time Handle Problem Language Result Execution time Memory
576847 2022-06-13T16:16:48 Z talant117408 Diversity (CEOI21_diversity) C++17
64 / 100
 7000 ms 12884 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]]--;
        freq[n]++;
        comp[freq[n]]++;
        N++;
    }
    void remove(int n) {
        comp[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 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 2 ms 1620 KB Output is correct
4 Correct 24 ms 3516 KB Output is correct
5 Correct 50 ms 6988 KB Output is correct
6 Correct 77 ms 6312 KB Output is correct
7 Correct 90 ms 12884 KB Output is correct
8 Correct 70 ms 5872 KB Output is correct
9 Correct 71 ms 6124 KB Output is correct
10 Correct 100 ms 8924 KB Output is correct
11 Correct 76 ms 7244 KB Output is correct
12 Correct 72 ms 6008 KB Output is correct
13 Correct 77 ms 5816 KB Output is correct
14 Correct 79 ms 7548 KB Output is correct
15 Correct 81 ms 7004 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 2 ms 1620 KB Output is correct
4 Correct 24 ms 3516 KB Output is correct
5 Correct 50 ms 6988 KB Output is correct
6 Correct 77 ms 6312 KB Output is correct
7 Correct 90 ms 12884 KB Output is correct
8 Correct 70 ms 5872 KB Output is correct
9 Correct 71 ms 6124 KB Output is correct
10 Correct 100 ms 8924 KB Output is correct
11 Correct 76 ms 7244 KB Output is correct
12 Correct 72 ms 6008 KB Output is correct
13 Correct 77 ms 5816 KB Output is correct
14 Correct 79 ms 7548 KB Output is correct
15 Correct 81 ms 7004 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 1696 KB Output is correct
19 Correct 21 ms 3028 KB Output is correct
20 Correct 44 ms 4116 KB Output is correct
21 Correct 78 ms 6360 KB Output is correct
22 Correct 72 ms 5120 KB Output is correct
23 Correct 81 ms 5884 KB Output is correct
24 Correct 80 ms 4816 KB Output is correct
25 Correct 70 ms 5316 KB Output is correct
26 Correct 73 ms 5116 KB Output is correct
27 Correct 82 ms 5592 KB Output is correct
28 Correct 81 ms 7548 KB Output is correct
29 Correct 75 ms 5352 KB Output is correct
30 Correct 69 ms 5580 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 2 ms 1620 KB Output is correct
4 Correct 24 ms 3516 KB Output is correct
5 Correct 50 ms 6988 KB Output is correct
6 Correct 77 ms 6312 KB Output is correct
7 Correct 90 ms 12884 KB Output is correct
8 Correct 70 ms 5872 KB Output is correct
9 Correct 71 ms 6124 KB Output is correct
10 Correct 100 ms 8924 KB Output is correct
11 Correct 76 ms 7244 KB Output is correct
12 Correct 72 ms 6008 KB Output is correct
13 Correct 77 ms 5816 KB Output is correct
14 Correct 79 ms 7548 KB Output is correct
15 Correct 81 ms 7004 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 1696 KB Output is correct
19 Correct 21 ms 3028 KB Output is correct
20 Correct 44 ms 4116 KB Output is correct
21 Correct 78 ms 6360 KB Output is correct
22 Correct 72 ms 5120 KB Output is correct
23 Correct 81 ms 5884 KB Output is correct
24 Correct 80 ms 4816 KB Output is correct
25 Correct 70 ms 5316 KB Output is correct
26 Correct 73 ms 5116 KB Output is correct
27 Correct 82 ms 5592 KB Output is correct
28 Correct 81 ms 7548 KB Output is correct
29 Correct 75 ms 5352 KB Output is correct
30 Correct 69 ms 5580 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 7 ms 1620 KB Output is correct
38 Correct 6 ms 1620 KB Output is correct
39 Correct 16 ms 1876 KB Output is correct
40 Correct 36 ms 2268 KB Output is correct
41 Correct 44 ms 2712 KB Output is correct
42 Correct 48 ms 2760 KB Output is correct
43 Correct 44 ms 2772 KB Output is correct
44 Correct 43 ms 2752 KB Output is correct
45 Correct 48 ms 2764 KB Output is correct
46 Correct 46 ms 2684 KB Output is correct
47 Correct 46 ms 2708 KB Output is correct
48 Correct 51 ms 2764 KB Output is correct
49 Correct 53 ms 2684 KB Output is correct
50 Correct 42 ms 2704 KB Output is correct
51 Correct 45 ms 2772 KB Output is correct
52 Correct 44 ms 2780 KB Output is correct
53 Correct 46 ms 2776 KB Output is correct
54 Correct 43 ms 2716 KB Output is correct
55 Correct 54 ms 2684 KB Output is correct
56 Correct 45 ms 2836 KB Output is correct
57 Correct 43 ms 2764 KB Output is correct
58 Correct 43 ms 2764 KB Output is correct
59 Correct 44 ms 2804 KB Output is correct
60 Correct 45 ms 2780 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 2 ms 1620 KB Output is correct
14 Correct 24 ms 3516 KB Output is correct
15 Correct 50 ms 6988 KB Output is correct
16 Correct 77 ms 6312 KB Output is correct
17 Correct 90 ms 12884 KB Output is correct
18 Correct 70 ms 5872 KB Output is correct
19 Correct 71 ms 6124 KB Output is correct
20 Correct 100 ms 8924 KB Output is correct
21 Correct 76 ms 7244 KB Output is correct
22 Correct 72 ms 6008 KB Output is correct
23 Correct 77 ms 5816 KB Output is correct
24 Correct 79 ms 7548 KB Output is correct
25 Correct 81 ms 7004 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 1696 KB Output is correct
29 Correct 21 ms 3028 KB Output is correct
30 Correct 44 ms 4116 KB Output is correct
31 Correct 78 ms 6360 KB Output is correct
32 Correct 72 ms 5120 KB Output is correct
33 Correct 81 ms 5884 KB Output is correct
34 Correct 80 ms 4816 KB Output is correct
35 Correct 70 ms 5316 KB Output is correct
36 Correct 73 ms 5116 KB Output is correct
37 Correct 82 ms 5592 KB Output is correct
38 Correct 81 ms 7548 KB Output is correct
39 Correct 75 ms 5352 KB Output is correct
40 Correct 69 ms 5580 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 7 ms 1620 KB Output is correct
48 Correct 6 ms 1620 KB Output is correct
49 Correct 16 ms 1876 KB Output is correct
50 Correct 36 ms 2268 KB Output is correct
51 Correct 44 ms 2712 KB Output is correct
52 Correct 48 ms 2760 KB Output is correct
53 Correct 44 ms 2772 KB Output is correct
54 Correct 43 ms 2752 KB Output is correct
55 Correct 48 ms 2764 KB Output is correct
56 Correct 46 ms 2684 KB Output is correct
57 Correct 46 ms 2708 KB Output is correct
58 Correct 51 ms 2764 KB Output is correct
59 Correct 53 ms 2684 KB Output is correct
60 Correct 42 ms 2704 KB Output is correct
61 Correct 45 ms 2772 KB Output is correct
62 Correct 44 ms 2780 KB Output is correct
63 Correct 46 ms 2776 KB Output is correct
64 Correct 43 ms 2716 KB Output is correct
65 Correct 54 ms 2684 KB Output is correct
66 Correct 45 ms 2836 KB Output is correct
67 Correct 43 ms 2764 KB Output is correct
68 Correct 43 ms 2764 KB Output is correct
69 Correct 44 ms 2804 KB Output is correct
70 Correct 45 ms 2780 KB Output is correct
71 Correct 7 ms 1676 KB Output is correct
72 Correct 6 ms 1620 KB Output is correct
73 Correct 6 ms 1620 KB Output is correct
74 Correct 7 ms 1712 KB Output is correct
75 Correct 6 ms 1684 KB Output is correct
76 Correct 16 ms 1876 KB Output is correct
77 Correct 12 ms 1876 KB Output is correct
78 Correct 14 ms 1876 KB Output is correct
79 Correct 12 ms 1876 KB Output is correct
80 Correct 12 ms 1876 KB Output is correct
81 Correct 25 ms 2260 KB Output is correct
82 Correct 22 ms 2260 KB Output is correct
83 Correct 21 ms 2300 KB Output is correct
84 Correct 22 ms 2272 KB Output is correct
85 Correct 21 ms 2260 KB Output is correct
86 Correct 21 ms 2260 KB Output is correct
87 Correct 21 ms 2260 KB Output is correct
88 Correct 20 ms 2260 KB Output is correct
89 Correct 22 ms 2220 KB Output is correct
90 Correct 22 ms 2396 KB Output is correct
91 Correct 28 ms 2660 KB Output is correct
92 Correct 37 ms 2632 KB Output is correct
93 Correct 30 ms 2636 KB Output is correct
94 Correct 35 ms 2656 KB Output is correct
95 Correct 30 ms 2660 KB Output is correct
96 Correct 32 ms 2644 KB Output is correct
97 Correct 28 ms 2652 KB Output is correct
98 Correct 30 ms 2660 KB Output is correct
99 Correct 28 ms 2644 KB Output is correct
100 Correct 30 ms 2652 KB Output is correct
101 Correct 31 ms 2636 KB Output is correct
102 Correct 28 ms 2660 KB Output is correct
103 Correct 30 ms 2656 KB Output is correct
104 Correct 28 ms 2656 KB Output is correct
105 Correct 30 ms 2652 KB Output is correct
106 Correct 39 ms 2652 KB Output is correct
107 Correct 27 ms 2644 KB Output is correct
108 Correct 28 ms 2656 KB Output is correct
109 Correct 28 ms 2652 KB Output is correct
110 Correct 26 ms 2660 KB Output is correct
111 Correct 32 ms 2640 KB Output is correct
112 Correct 28 ms 2656 KB Output is correct
113 Correct 27 ms 2664 KB Output is correct
114 Correct 27 ms 2636 KB Output is correct
115 Correct 31 ms 2660 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 2 ms 1620 KB Output is correct
14 Correct 24 ms 3516 KB Output is correct
15 Correct 50 ms 6988 KB Output is correct
16 Correct 77 ms 6312 KB Output is correct
17 Correct 90 ms 12884 KB Output is correct
18 Correct 70 ms 5872 KB Output is correct
19 Correct 71 ms 6124 KB Output is correct
20 Correct 100 ms 8924 KB Output is correct
21 Correct 76 ms 7244 KB Output is correct
22 Correct 72 ms 6008 KB Output is correct
23 Correct 77 ms 5816 KB Output is correct
24 Correct 79 ms 7548 KB Output is correct
25 Correct 81 ms 7004 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 1696 KB Output is correct
29 Correct 21 ms 3028 KB Output is correct
30 Correct 44 ms 4116 KB Output is correct
31 Correct 78 ms 6360 KB Output is correct
32 Correct 72 ms 5120 KB Output is correct
33 Correct 81 ms 5884 KB Output is correct
34 Correct 80 ms 4816 KB Output is correct
35 Correct 70 ms 5316 KB Output is correct
36 Correct 73 ms 5116 KB Output is correct
37 Correct 82 ms 5592 KB Output is correct
38 Correct 81 ms 7548 KB Output is correct
39 Correct 75 ms 5352 KB Output is correct
40 Correct 69 ms 5580 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 7 ms 1620 KB Output is correct
48 Correct 6 ms 1620 KB Output is correct
49 Correct 16 ms 1876 KB Output is correct
50 Correct 36 ms 2268 KB Output is correct
51 Correct 44 ms 2712 KB Output is correct
52 Correct 48 ms 2760 KB Output is correct
53 Correct 44 ms 2772 KB Output is correct
54 Correct 43 ms 2752 KB Output is correct
55 Correct 48 ms 2764 KB Output is correct
56 Correct 46 ms 2684 KB Output is correct
57 Correct 46 ms 2708 KB Output is correct
58 Correct 51 ms 2764 KB Output is correct
59 Correct 53 ms 2684 KB Output is correct
60 Correct 42 ms 2704 KB Output is correct
61 Correct 45 ms 2772 KB Output is correct
62 Correct 44 ms 2780 KB Output is correct
63 Correct 46 ms 2776 KB Output is correct
64 Correct 43 ms 2716 KB Output is correct
65 Correct 54 ms 2684 KB Output is correct
66 Correct 45 ms 2836 KB Output is correct
67 Correct 43 ms 2764 KB Output is correct
68 Correct 43 ms 2764 KB Output is correct
69 Correct 44 ms 2804 KB Output is correct
70 Correct 45 ms 2780 KB Output is correct
71 Correct 7 ms 1676 KB Output is correct
72 Correct 6 ms 1620 KB Output is correct
73 Correct 6 ms 1620 KB Output is correct
74 Correct 7 ms 1712 KB Output is correct
75 Correct 6 ms 1684 KB Output is correct
76 Correct 16 ms 1876 KB Output is correct
77 Correct 12 ms 1876 KB Output is correct
78 Correct 14 ms 1876 KB Output is correct
79 Correct 12 ms 1876 KB Output is correct
80 Correct 12 ms 1876 KB Output is correct
81 Correct 25 ms 2260 KB Output is correct
82 Correct 22 ms 2260 KB Output is correct
83 Correct 21 ms 2300 KB Output is correct
84 Correct 22 ms 2272 KB Output is correct
85 Correct 21 ms 2260 KB Output is correct
86 Correct 21 ms 2260 KB Output is correct
87 Correct 21 ms 2260 KB Output is correct
88 Correct 20 ms 2260 KB Output is correct
89 Correct 22 ms 2220 KB Output is correct
90 Correct 22 ms 2396 KB Output is correct
91 Correct 28 ms 2660 KB Output is correct
92 Correct 37 ms 2632 KB Output is correct
93 Correct 30 ms 2636 KB Output is correct
94 Correct 35 ms 2656 KB Output is correct
95 Correct 30 ms 2660 KB Output is correct
96 Correct 32 ms 2644 KB Output is correct
97 Correct 28 ms 2652 KB Output is correct
98 Correct 30 ms 2660 KB Output is correct
99 Correct 28 ms 2644 KB Output is correct
100 Correct 30 ms 2652 KB Output is correct
101 Correct 31 ms 2636 KB Output is correct
102 Correct 28 ms 2660 KB Output is correct
103 Correct 30 ms 2656 KB Output is correct
104 Correct 28 ms 2656 KB Output is correct
105 Correct 30 ms 2652 KB Output is correct
106 Correct 39 ms 2652 KB Output is correct
107 Correct 27 ms 2644 KB Output is correct
108 Correct 28 ms 2656 KB Output is correct
109 Correct 28 ms 2652 KB Output is correct
110 Correct 26 ms 2660 KB Output is correct
111 Correct 32 ms 2640 KB Output is correct
112 Correct 28 ms 2656 KB Output is correct
113 Correct 27 ms 2664 KB Output is correct
114 Correct 27 ms 2636 KB Output is correct
115 Correct 31 ms 2660 KB Output is correct
116 Correct 988 ms 2948 KB Output is correct
117 Correct 713 ms 2928 KB Output is correct
118 Correct 3867 ms 3332 KB Output is correct
119 Correct 1508 ms 3220 KB Output is correct
120 Correct 1273 ms 3204 KB Output is correct
121 Correct 2955 ms 3432 KB Output is correct
122 Correct 2356 ms 4420 KB Output is correct
123 Execution timed out 7026 ms 4636 KB Time limit exceeded
124 Halted 0 ms 0 KB -