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답안 #576854

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
576854 2022-06-13T16:23:15 Z talant117408 Diversity (CEOI21_diversity) C++17
64 / 100
 7000 ms 12876 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) {
            int 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

# 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 3 ms 1620 KB Output is correct
4 Correct 22 ms 3512 KB Output is correct
5 Correct 59 ms 6980 KB Output is correct
6 Correct 73 ms 6396 KB Output is correct
7 Correct 91 ms 12876 KB Output is correct
8 Correct 73 ms 5836 KB Output is correct
9 Correct 72 ms 6104 KB Output is correct
10 Correct 82 ms 8908 KB Output is correct
11 Correct 73 ms 7240 KB Output is correct
12 Correct 71 ms 6064 KB Output is correct
13 Correct 72 ms 5708 KB Output is correct
14 Correct 76 ms 7496 KB Output is correct
15 Correct 74 ms 7024 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 3 ms 1620 KB Output is correct
4 Correct 22 ms 3512 KB Output is correct
5 Correct 59 ms 6980 KB Output is correct
6 Correct 73 ms 6396 KB Output is correct
7 Correct 91 ms 12876 KB Output is correct
8 Correct 73 ms 5836 KB Output is correct
9 Correct 72 ms 6104 KB Output is correct
10 Correct 82 ms 8908 KB Output is correct
11 Correct 73 ms 7240 KB Output is correct
12 Correct 71 ms 6064 KB Output is correct
13 Correct 72 ms 5708 KB Output is correct
14 Correct 76 ms 7496 KB Output is correct
15 Correct 74 ms 7024 KB Output is correct
16 Correct 1 ms 1492 KB Output is correct
17 Correct 1 ms 1492 KB Output is correct
18 Correct 2 ms 1620 KB Output is correct
19 Correct 25 ms 3028 KB Output is correct
20 Correct 45 ms 4176 KB Output is correct
21 Correct 73 ms 6328 KB Output is correct
22 Correct 75 ms 5196 KB Output is correct
23 Correct 73 ms 5820 KB Output is correct
24 Correct 72 ms 4880 KB Output is correct
25 Correct 72 ms 5284 KB Output is correct
26 Correct 71 ms 5120 KB Output is correct
27 Correct 73 ms 5576 KB Output is correct
28 Correct 80 ms 7640 KB Output is correct
29 Correct 73 ms 5264 KB Output is correct
30 Correct 70 ms 5456 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 3 ms 1620 KB Output is correct
4 Correct 22 ms 3512 KB Output is correct
5 Correct 59 ms 6980 KB Output is correct
6 Correct 73 ms 6396 KB Output is correct
7 Correct 91 ms 12876 KB Output is correct
8 Correct 73 ms 5836 KB Output is correct
9 Correct 72 ms 6104 KB Output is correct
10 Correct 82 ms 8908 KB Output is correct
11 Correct 73 ms 7240 KB Output is correct
12 Correct 71 ms 6064 KB Output is correct
13 Correct 72 ms 5708 KB Output is correct
14 Correct 76 ms 7496 KB Output is correct
15 Correct 74 ms 7024 KB Output is correct
16 Correct 1 ms 1492 KB Output is correct
17 Correct 1 ms 1492 KB Output is correct
18 Correct 2 ms 1620 KB Output is correct
19 Correct 25 ms 3028 KB Output is correct
20 Correct 45 ms 4176 KB Output is correct
21 Correct 73 ms 6328 KB Output is correct
22 Correct 75 ms 5196 KB Output is correct
23 Correct 73 ms 5820 KB Output is correct
24 Correct 72 ms 4880 KB Output is correct
25 Correct 72 ms 5284 KB Output is correct
26 Correct 71 ms 5120 KB Output is correct
27 Correct 73 ms 5576 KB Output is correct
28 Correct 80 ms 7640 KB Output is correct
29 Correct 73 ms 5264 KB Output is correct
30 Correct 70 ms 5456 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 1748 KB Output is correct
38 Correct 7 ms 1720 KB Output is correct
39 Correct 14 ms 1876 KB Output is correct
40 Correct 27 ms 2304 KB Output is correct
41 Correct 49 ms 2776 KB Output is correct
42 Correct 43 ms 2764 KB Output is correct
43 Correct 44 ms 2748 KB Output is correct
44 Correct 43 ms 2772 KB Output is correct
45 Correct 43 ms 2716 KB Output is correct
46 Correct 43 ms 2752 KB Output is correct
47 Correct 43 ms 2708 KB Output is correct
48 Correct 44 ms 2720 KB Output is correct
49 Correct 46 ms 2776 KB Output is correct
50 Correct 43 ms 2764 KB Output is correct
51 Correct 43 ms 2768 KB Output is correct
52 Correct 43 ms 2764 KB Output is correct
53 Correct 43 ms 2724 KB Output is correct
54 Correct 43 ms 2708 KB Output is correct
55 Correct 44 ms 2728 KB Output is correct
56 Correct 45 ms 2720 KB Output is correct
57 Correct 44 ms 2700 KB Output is correct
58 Correct 42 ms 2688 KB Output is correct
59 Correct 44 ms 2828 KB Output is correct
60 Correct 43 ms 2776 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 3 ms 1620 KB Output is correct
14 Correct 22 ms 3512 KB Output is correct
15 Correct 59 ms 6980 KB Output is correct
16 Correct 73 ms 6396 KB Output is correct
17 Correct 91 ms 12876 KB Output is correct
18 Correct 73 ms 5836 KB Output is correct
19 Correct 72 ms 6104 KB Output is correct
20 Correct 82 ms 8908 KB Output is correct
21 Correct 73 ms 7240 KB Output is correct
22 Correct 71 ms 6064 KB Output is correct
23 Correct 72 ms 5708 KB Output is correct
24 Correct 76 ms 7496 KB Output is correct
25 Correct 74 ms 7024 KB Output is correct
26 Correct 1 ms 1492 KB Output is correct
27 Correct 1 ms 1492 KB Output is correct
28 Correct 2 ms 1620 KB Output is correct
29 Correct 25 ms 3028 KB Output is correct
30 Correct 45 ms 4176 KB Output is correct
31 Correct 73 ms 6328 KB Output is correct
32 Correct 75 ms 5196 KB Output is correct
33 Correct 73 ms 5820 KB Output is correct
34 Correct 72 ms 4880 KB Output is correct
35 Correct 72 ms 5284 KB Output is correct
36 Correct 71 ms 5120 KB Output is correct
37 Correct 73 ms 5576 KB Output is correct
38 Correct 80 ms 7640 KB Output is correct
39 Correct 73 ms 5264 KB Output is correct
40 Correct 70 ms 5456 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 1748 KB Output is correct
48 Correct 7 ms 1720 KB Output is correct
49 Correct 14 ms 1876 KB Output is correct
50 Correct 27 ms 2304 KB Output is correct
51 Correct 49 ms 2776 KB Output is correct
52 Correct 43 ms 2764 KB Output is correct
53 Correct 44 ms 2748 KB Output is correct
54 Correct 43 ms 2772 KB Output is correct
55 Correct 43 ms 2716 KB Output is correct
56 Correct 43 ms 2752 KB Output is correct
57 Correct 43 ms 2708 KB Output is correct
58 Correct 44 ms 2720 KB Output is correct
59 Correct 46 ms 2776 KB Output is correct
60 Correct 43 ms 2764 KB Output is correct
61 Correct 43 ms 2768 KB Output is correct
62 Correct 43 ms 2764 KB Output is correct
63 Correct 43 ms 2724 KB Output is correct
64 Correct 43 ms 2708 KB Output is correct
65 Correct 44 ms 2728 KB Output is correct
66 Correct 45 ms 2720 KB Output is correct
67 Correct 44 ms 2700 KB Output is correct
68 Correct 42 ms 2688 KB Output is correct
69 Correct 44 ms 2828 KB Output is correct
70 Correct 43 ms 2776 KB Output is correct
71 Correct 7 ms 1620 KB Output is correct
72 Correct 6 ms 1620 KB Output is correct
73 Correct 7 ms 1620 KB Output is correct
74 Correct 6 ms 1680 KB Output is correct
75 Correct 7 ms 1712 KB Output is correct
76 Correct 11 ms 1876 KB Output is correct
77 Correct 13 ms 1876 KB Output is correct
78 Correct 11 ms 1904 KB Output is correct
79 Correct 11 ms 1876 KB Output is correct
80 Correct 12 ms 1876 KB Output is correct
81 Correct 21 ms 2264 KB Output is correct
82 Correct 21 ms 2292 KB Output is correct
83 Correct 21 ms 2268 KB Output is correct
84 Correct 21 ms 2268 KB Output is correct
85 Correct 21 ms 2288 KB Output is correct
86 Correct 22 ms 2260 KB Output is correct
87 Correct 24 ms 2300 KB Output is correct
88 Correct 21 ms 2260 KB Output is correct
89 Correct 21 ms 2260 KB Output is correct
90 Correct 21 ms 2260 KB Output is correct
91 Correct 27 ms 2792 KB Output is correct
92 Correct 26 ms 2652 KB Output is correct
93 Correct 27 ms 2656 KB Output is correct
94 Correct 27 ms 2652 KB Output is correct
95 Correct 29 ms 2660 KB Output is correct
96 Correct 28 ms 2652 KB Output is correct
97 Correct 29 ms 2664 KB Output is correct
98 Correct 35 ms 2636 KB Output is correct
99 Correct 32 ms 2636 KB Output is correct
100 Correct 32 ms 2644 KB Output is correct
101 Correct 29 ms 2652 KB Output is correct
102 Correct 29 ms 2644 KB Output is correct
103 Correct 28 ms 2644 KB Output is correct
104 Correct 32 ms 2648 KB Output is correct
105 Correct 28 ms 2660 KB Output is correct
106 Correct 34 ms 2656 KB Output is correct
107 Correct 37 ms 2636 KB Output is correct
108 Correct 27 ms 2636 KB Output is correct
109 Correct 28 ms 2660 KB Output is correct
110 Correct 26 ms 2656 KB Output is correct
111 Correct 27 ms 2664 KB Output is correct
112 Correct 26 ms 2664 KB Output is correct
113 Correct 29 ms 2656 KB Output is correct
114 Correct 29 ms 2648 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 3 ms 1620 KB Output is correct
14 Correct 22 ms 3512 KB Output is correct
15 Correct 59 ms 6980 KB Output is correct
16 Correct 73 ms 6396 KB Output is correct
17 Correct 91 ms 12876 KB Output is correct
18 Correct 73 ms 5836 KB Output is correct
19 Correct 72 ms 6104 KB Output is correct
20 Correct 82 ms 8908 KB Output is correct
21 Correct 73 ms 7240 KB Output is correct
22 Correct 71 ms 6064 KB Output is correct
23 Correct 72 ms 5708 KB Output is correct
24 Correct 76 ms 7496 KB Output is correct
25 Correct 74 ms 7024 KB Output is correct
26 Correct 1 ms 1492 KB Output is correct
27 Correct 1 ms 1492 KB Output is correct
28 Correct 2 ms 1620 KB Output is correct
29 Correct 25 ms 3028 KB Output is correct
30 Correct 45 ms 4176 KB Output is correct
31 Correct 73 ms 6328 KB Output is correct
32 Correct 75 ms 5196 KB Output is correct
33 Correct 73 ms 5820 KB Output is correct
34 Correct 72 ms 4880 KB Output is correct
35 Correct 72 ms 5284 KB Output is correct
36 Correct 71 ms 5120 KB Output is correct
37 Correct 73 ms 5576 KB Output is correct
38 Correct 80 ms 7640 KB Output is correct
39 Correct 73 ms 5264 KB Output is correct
40 Correct 70 ms 5456 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 1748 KB Output is correct
48 Correct 7 ms 1720 KB Output is correct
49 Correct 14 ms 1876 KB Output is correct
50 Correct 27 ms 2304 KB Output is correct
51 Correct 49 ms 2776 KB Output is correct
52 Correct 43 ms 2764 KB Output is correct
53 Correct 44 ms 2748 KB Output is correct
54 Correct 43 ms 2772 KB Output is correct
55 Correct 43 ms 2716 KB Output is correct
56 Correct 43 ms 2752 KB Output is correct
57 Correct 43 ms 2708 KB Output is correct
58 Correct 44 ms 2720 KB Output is correct
59 Correct 46 ms 2776 KB Output is correct
60 Correct 43 ms 2764 KB Output is correct
61 Correct 43 ms 2768 KB Output is correct
62 Correct 43 ms 2764 KB Output is correct
63 Correct 43 ms 2724 KB Output is correct
64 Correct 43 ms 2708 KB Output is correct
65 Correct 44 ms 2728 KB Output is correct
66 Correct 45 ms 2720 KB Output is correct
67 Correct 44 ms 2700 KB Output is correct
68 Correct 42 ms 2688 KB Output is correct
69 Correct 44 ms 2828 KB Output is correct
70 Correct 43 ms 2776 KB Output is correct
71 Correct 7 ms 1620 KB Output is correct
72 Correct 6 ms 1620 KB Output is correct
73 Correct 7 ms 1620 KB Output is correct
74 Correct 6 ms 1680 KB Output is correct
75 Correct 7 ms 1712 KB Output is correct
76 Correct 11 ms 1876 KB Output is correct
77 Correct 13 ms 1876 KB Output is correct
78 Correct 11 ms 1904 KB Output is correct
79 Correct 11 ms 1876 KB Output is correct
80 Correct 12 ms 1876 KB Output is correct
81 Correct 21 ms 2264 KB Output is correct
82 Correct 21 ms 2292 KB Output is correct
83 Correct 21 ms 2268 KB Output is correct
84 Correct 21 ms 2268 KB Output is correct
85 Correct 21 ms 2288 KB Output is correct
86 Correct 22 ms 2260 KB Output is correct
87 Correct 24 ms 2300 KB Output is correct
88 Correct 21 ms 2260 KB Output is correct
89 Correct 21 ms 2260 KB Output is correct
90 Correct 21 ms 2260 KB Output is correct
91 Correct 27 ms 2792 KB Output is correct
92 Correct 26 ms 2652 KB Output is correct
93 Correct 27 ms 2656 KB Output is correct
94 Correct 27 ms 2652 KB Output is correct
95 Correct 29 ms 2660 KB Output is correct
96 Correct 28 ms 2652 KB Output is correct
97 Correct 29 ms 2664 KB Output is correct
98 Correct 35 ms 2636 KB Output is correct
99 Correct 32 ms 2636 KB Output is correct
100 Correct 32 ms 2644 KB Output is correct
101 Correct 29 ms 2652 KB Output is correct
102 Correct 29 ms 2644 KB Output is correct
103 Correct 28 ms 2644 KB Output is correct
104 Correct 32 ms 2648 KB Output is correct
105 Correct 28 ms 2660 KB Output is correct
106 Correct 34 ms 2656 KB Output is correct
107 Correct 37 ms 2636 KB Output is correct
108 Correct 27 ms 2636 KB Output is correct
109 Correct 28 ms 2660 KB Output is correct
110 Correct 26 ms 2656 KB Output is correct
111 Correct 27 ms 2664 KB Output is correct
112 Correct 26 ms 2664 KB Output is correct
113 Correct 29 ms 2656 KB Output is correct
114 Correct 29 ms 2648 KB Output is correct
115 Correct 27 ms 2636 KB Output is correct
116 Correct 993 ms 2944 KB Output is correct
117 Correct 658 ms 2924 KB Output is correct
118 Correct 3749 ms 3428 KB Output is correct
119 Correct 1471 ms 3216 KB Output is correct
120 Correct 1244 ms 3204 KB Output is correct
121 Correct 2932 ms 3424 KB Output is correct
122 Correct 2338 ms 3412 KB Output is correct
123 Execution timed out 7072 ms 3348 KB Time limit exceeded
124 Halted 0 ms 0 KB -