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Submission #1087361

# Submission time Handle Problem Language Result Execution time Memory
1087361 2024-09-12T14:36:14 Z vladilius Diversity (CEOI21_diversity) C++17
64 / 100
 7000 ms 17356 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
#define pb push_back
#define ff first
#define ss second
#define ins insert
#define arr3 array<int, 3>
const int A = 3e5;

struct FT{
    ll bit[A + 1], a[A + 1], s;
    int n;
    FT(int ns){
        n = ns;
        for (int i = 1; i <= n; i++){
            bit[i] = a[i] = 0;
        }
        s = 0;
    }
    void upd(int v, ll x){
        s += x; a[v] += x;
        while (v <= n){
            bit[v] += x;
            v |= (v + 1);
        }
    }
    ll get(int v){
        ll out = 0;
        while (v > 0){
            out += bit[v];
            v = (v & (v + 1)) - 1;
        }
        return out;
    }
    ll get(int l, int r){
        if (l > r) return 0;
        return get(r) - get(l - 1);
    }
};

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    
    int n, q; cin>>n>>q;
    vector<int> a(n + 1);
    for (int i = 1; i <= n; i++){
        cin>>a[i];
    }
    
    vector<arr3> qs;
    for (int i = 1; i <= q; i++){
        int l, r; cin>>l>>r;
        qs.pb({l, r, i});
    }
    
    const int S = sqrt(n);
    auto cmp = [&](arr3 x, arr3 y){
        int x1 = x[0] / S, y1 = y[0] / S;
        if (x1 != y1){
            return x[0] < y[0];
        }
        return (x1 & 1) ? (x[1] < y[1]) : (x[1] > y[1]);
    };
    sort(qs.begin(), qs.end(), cmp);
    
    vector<int> p(n + 1);
    for (int i = 1; i <= n; i++){
        if (i % 2){
            p[i] = (i + 1) / 2;
        }
        else {
            p[i] = n - i / 2 + 1;
        }
    }
    
    ll sum = 0, s1, s2;
    vector<int> f(n + 1), cnt(A + 1);
    vector<int> :: iterator it;
    FT T1(n), T2(n);
    auto add = [&](int x){
        x = a[x];
        it = upper_bound(f.begin() + 1, f.end(), cnt[x]); it--;
        int j1 = (int) (it - f.begin()), j = p[j1];
        
        sum += (f[j1] + 1);
        s1 = T1.get(1, j - 1); s2 = T2.get(1, j - 1);
        sum += (1LL * j * s1);
        sum -= (s2 - s1);
        sum += (T2.s - s2 - T2.a[j]);
        sum -= 1LL * (j - 1) * (T1.s - s1 - T1.a[j]);
        
        cnt[x]++; f[j1]++;
        T1.upd(j, 1);
        T2.upd(j, j);
    };

    auto rem = [&](int x){
        x = a[x];
        it = lower_bound(f.begin() + 1, f.end(), cnt[x]);
        int j1 = (int) (it - f.begin()), j = p[j1];
        
        sum -= f[j1];
        s1 = T1.get(1, j - 1); s2 = T2.get(1, j - 1);
        sum -= (1LL * j * s1);
        sum += (s2 - s1);
        sum -= (T2.s - s2 - T2.a[j]);
        sum += 1LL * (j - 1) * (T1.s - s1 - T1.a[j]);
        
        cnt[x]--; f[j1]--;
        T1.upd(j, -1);
        T2.upd(j, -j);
    };
    
    vector<ll> out(q + 1);
    int lc = 1, rc = 0;
    for (auto [l, r, ii]: qs){
        while (lc < l) rem(lc++);
        while (lc > l) add(--lc);
        while (rc < r) add(++rc);
        while (rc > r) rem(rc--);
        
        out[ii] = sum;
    }
    
    for (int i = 1; i <= q; i++){
        cout<<out[i]<<"\n";
    }
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 10844 KB Output is correct
2 Correct 5 ms 10844 KB Output is correct
3 Correct 5 ms 10844 KB Output is correct
4 Correct 5 ms 10844 KB Output is correct
5 Correct 5 ms 10844 KB Output is correct
6 Correct 5 ms 10844 KB Output is correct
7 Correct 5 ms 10912 KB Output is correct
8 Correct 5 ms 10840 KB Output is correct
9 Correct 5 ms 10876 KB Output is correct
10 Correct 6 ms 10836 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 10844 KB Output is correct
2 Correct 6 ms 10840 KB Output is correct
3 Correct 5 ms 11096 KB Output is correct
4 Correct 14 ms 12016 KB Output is correct
5 Correct 28 ms 13148 KB Output is correct
6 Correct 41 ms 14424 KB Output is correct
7 Correct 37 ms 14428 KB Output is correct
8 Correct 39 ms 14496 KB Output is correct
9 Correct 42 ms 14360 KB Output is correct
10 Correct 39 ms 14360 KB Output is correct
11 Correct 40 ms 14424 KB Output is correct
12 Correct 44 ms 14364 KB Output is correct
13 Correct 40 ms 14428 KB Output is correct
14 Correct 45 ms 14360 KB Output is correct
15 Correct 45 ms 14428 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 10844 KB Output is correct
2 Correct 6 ms 10840 KB Output is correct
3 Correct 5 ms 11096 KB Output is correct
4 Correct 14 ms 12016 KB Output is correct
5 Correct 28 ms 13148 KB Output is correct
6 Correct 41 ms 14424 KB Output is correct
7 Correct 37 ms 14428 KB Output is correct
8 Correct 39 ms 14496 KB Output is correct
9 Correct 42 ms 14360 KB Output is correct
10 Correct 39 ms 14360 KB Output is correct
11 Correct 40 ms 14424 KB Output is correct
12 Correct 44 ms 14364 KB Output is correct
13 Correct 40 ms 14428 KB Output is correct
14 Correct 45 ms 14360 KB Output is correct
15 Correct 45 ms 14428 KB Output is correct
16 Correct 6 ms 10844 KB Output is correct
17 Correct 6 ms 10840 KB Output is correct
18 Correct 6 ms 11096 KB Output is correct
19 Correct 21 ms 12124 KB Output is correct
20 Correct 27 ms 13208 KB Output is correct
21 Correct 39 ms 14424 KB Output is correct
22 Correct 41 ms 14428 KB Output is correct
23 Correct 41 ms 14424 KB Output is correct
24 Correct 40 ms 14428 KB Output is correct
25 Correct 42 ms 14364 KB Output is correct
26 Correct 41 ms 14428 KB Output is correct
27 Correct 44 ms 14428 KB Output is correct
28 Correct 43 ms 14356 KB Output is correct
29 Correct 44 ms 14428 KB Output is correct
30 Correct 40 ms 14424 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 10844 KB Output is correct
2 Correct 6 ms 10840 KB Output is correct
3 Correct 5 ms 11096 KB Output is correct
4 Correct 14 ms 12016 KB Output is correct
5 Correct 28 ms 13148 KB Output is correct
6 Correct 41 ms 14424 KB Output is correct
7 Correct 37 ms 14428 KB Output is correct
8 Correct 39 ms 14496 KB Output is correct
9 Correct 42 ms 14360 KB Output is correct
10 Correct 39 ms 14360 KB Output is correct
11 Correct 40 ms 14424 KB Output is correct
12 Correct 44 ms 14364 KB Output is correct
13 Correct 40 ms 14428 KB Output is correct
14 Correct 45 ms 14360 KB Output is correct
15 Correct 45 ms 14428 KB Output is correct
16 Correct 6 ms 10844 KB Output is correct
17 Correct 6 ms 10840 KB Output is correct
18 Correct 6 ms 11096 KB Output is correct
19 Correct 21 ms 12124 KB Output is correct
20 Correct 27 ms 13208 KB Output is correct
21 Correct 39 ms 14424 KB Output is correct
22 Correct 41 ms 14428 KB Output is correct
23 Correct 41 ms 14424 KB Output is correct
24 Correct 40 ms 14428 KB Output is correct
25 Correct 42 ms 14364 KB Output is correct
26 Correct 41 ms 14428 KB Output is correct
27 Correct 44 ms 14428 KB Output is correct
28 Correct 43 ms 14356 KB Output is correct
29 Correct 44 ms 14428 KB Output is correct
30 Correct 40 ms 14424 KB Output is correct
31 Correct 5 ms 10840 KB Output is correct
32 Correct 6 ms 10840 KB Output is correct
33 Correct 6 ms 10844 KB Output is correct
34 Correct 6 ms 11100 KB Output is correct
35 Correct 7 ms 11068 KB Output is correct
36 Correct 7 ms 11100 KB Output is correct
37 Correct 11 ms 11508 KB Output is correct
38 Correct 11 ms 11352 KB Output is correct
39 Correct 18 ms 12124 KB Output is correct
40 Correct 32 ms 13236 KB Output is correct
41 Correct 50 ms 14348 KB Output is correct
42 Correct 48 ms 14424 KB Output is correct
43 Correct 48 ms 14416 KB Output is correct
44 Correct 47 ms 14428 KB Output is correct
45 Correct 54 ms 14356 KB Output is correct
46 Correct 54 ms 14424 KB Output is correct
47 Correct 49 ms 14428 KB Output is correct
48 Correct 48 ms 14428 KB Output is correct
49 Correct 47 ms 14424 KB Output is correct
50 Correct 51 ms 14528 KB Output is correct
51 Correct 49 ms 14360 KB Output is correct
52 Correct 48 ms 14396 KB Output is correct
53 Correct 50 ms 14428 KB Output is correct
54 Correct 47 ms 14424 KB Output is correct
55 Correct 49 ms 14424 KB Output is correct
56 Correct 51 ms 14424 KB Output is correct
57 Correct 49 ms 14424 KB Output is correct
58 Correct 51 ms 14428 KB Output is correct
59 Correct 55 ms 14428 KB Output is correct
60 Correct 51 ms 14360 KB Output is correct

Subtask #5
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 10844 KB Output is correct
2 Correct 5 ms 10844 KB Output is correct
3 Correct 5 ms 10844 KB Output is correct
4 Correct 5 ms 10844 KB Output is correct
5 Correct 5 ms 10844 KB Output is correct
6 Correct 5 ms 10844 KB Output is correct
7 Correct 5 ms 10912 KB Output is correct
8 Correct 5 ms 10840 KB Output is correct
9 Correct 5 ms 10876 KB Output is correct
10 Correct 6 ms 10836 KB Output is correct
11 Correct 5 ms 10844 KB Output is correct
12 Correct 6 ms 10840 KB Output is correct
13 Correct 5 ms 11096 KB Output is correct
14 Correct 14 ms 12016 KB Output is correct
15 Correct 28 ms 13148 KB Output is correct
16 Correct 41 ms 14424 KB Output is correct
17 Correct 37 ms 14428 KB Output is correct
18 Correct 39 ms 14496 KB Output is correct
19 Correct 42 ms 14360 KB Output is correct
20 Correct 39 ms 14360 KB Output is correct
21 Correct 40 ms 14424 KB Output is correct
22 Correct 44 ms 14364 KB Output is correct
23 Correct 40 ms 14428 KB Output is correct
24 Correct 45 ms 14360 KB Output is correct
25 Correct 45 ms 14428 KB Output is correct
26 Correct 6 ms 10844 KB Output is correct
27 Correct 6 ms 10840 KB Output is correct
28 Correct 6 ms 11096 KB Output is correct
29 Correct 21 ms 12124 KB Output is correct
30 Correct 27 ms 13208 KB Output is correct
31 Correct 39 ms 14424 KB Output is correct
32 Correct 41 ms 14428 KB Output is correct
33 Correct 41 ms 14424 KB Output is correct
34 Correct 40 ms 14428 KB Output is correct
35 Correct 42 ms 14364 KB Output is correct
36 Correct 41 ms 14428 KB Output is correct
37 Correct 44 ms 14428 KB Output is correct
38 Correct 43 ms 14356 KB Output is correct
39 Correct 44 ms 14428 KB Output is correct
40 Correct 40 ms 14424 KB Output is correct
41 Correct 5 ms 10840 KB Output is correct
42 Correct 6 ms 10840 KB Output is correct
43 Correct 6 ms 10844 KB Output is correct
44 Correct 6 ms 11100 KB Output is correct
45 Correct 7 ms 11068 KB Output is correct
46 Correct 7 ms 11100 KB Output is correct
47 Correct 11 ms 11508 KB Output is correct
48 Correct 11 ms 11352 KB Output is correct
49 Correct 18 ms 12124 KB Output is correct
50 Correct 32 ms 13236 KB Output is correct
51 Correct 50 ms 14348 KB Output is correct
52 Correct 48 ms 14424 KB Output is correct
53 Correct 48 ms 14416 KB Output is correct
54 Correct 47 ms 14428 KB Output is correct
55 Correct 54 ms 14356 KB Output is correct
56 Correct 54 ms 14424 KB Output is correct
57 Correct 49 ms 14428 KB Output is correct
58 Correct 48 ms 14428 KB Output is correct
59 Correct 47 ms 14424 KB Output is correct
60 Correct 51 ms 14528 KB Output is correct
61 Correct 49 ms 14360 KB Output is correct
62 Correct 48 ms 14396 KB Output is correct
63 Correct 50 ms 14428 KB Output is correct
64 Correct 47 ms 14424 KB Output is correct
65 Correct 49 ms 14424 KB Output is correct
66 Correct 51 ms 14424 KB Output is correct
67 Correct 49 ms 14424 KB Output is correct
68 Correct 51 ms 14428 KB Output is correct
69 Correct 55 ms 14428 KB Output is correct
70 Correct 51 ms 14360 KB Output is correct
71 Correct 13 ms 11608 KB Output is correct
72 Correct 13 ms 11612 KB Output is correct
73 Correct 12 ms 11612 KB Output is correct
74 Correct 16 ms 11620 KB Output is correct
75 Correct 12 ms 11612 KB Output is correct
76 Correct 20 ms 12124 KB Output is correct
77 Correct 20 ms 12124 KB Output is correct
78 Correct 22 ms 12124 KB Output is correct
79 Correct 21 ms 12212 KB Output is correct
80 Correct 22 ms 12124 KB Output is correct
81 Correct 39 ms 13200 KB Output is correct
82 Correct 38 ms 13148 KB Output is correct
83 Correct 41 ms 13144 KB Output is correct
84 Correct 44 ms 13144 KB Output is correct
85 Correct 38 ms 13148 KB Output is correct
86 Correct 40 ms 13144 KB Output is correct
87 Correct 39 ms 13148 KB Output is correct
88 Correct 38 ms 13148 KB Output is correct
89 Correct 39 ms 13148 KB Output is correct
90 Correct 38 ms 13148 KB Output is correct
91 Correct 55 ms 14428 KB Output is correct
92 Correct 55 ms 14424 KB Output is correct
93 Correct 55 ms 14428 KB Output is correct
94 Correct 55 ms 14408 KB Output is correct
95 Correct 60 ms 14428 KB Output is correct
96 Correct 55 ms 14532 KB Output is correct
97 Correct 65 ms 14360 KB Output is correct
98 Correct 57 ms 14348 KB Output is correct
99 Correct 56 ms 14388 KB Output is correct
100 Correct 55 ms 14424 KB Output is correct
101 Correct 56 ms 14416 KB Output is correct
102 Correct 55 ms 14428 KB Output is correct
103 Correct 55 ms 14428 KB Output is correct
104 Correct 55 ms 14424 KB Output is correct
105 Correct 58 ms 14356 KB Output is correct
106 Correct 56 ms 14352 KB Output is correct
107 Correct 62 ms 14416 KB Output is correct
108 Correct 54 ms 14352 KB Output is correct
109 Correct 54 ms 14428 KB Output is correct
110 Correct 56 ms 14428 KB Output is correct
111 Correct 61 ms 14532 KB Output is correct
112 Correct 55 ms 14528 KB Output is correct
113 Correct 55 ms 14428 KB Output is correct
114 Correct 54 ms 14428 KB Output is correct
115 Correct 54 ms 14424 KB Output is correct

Subtask #6
0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 10844 KB Output is correct
2 Correct 5 ms 10844 KB Output is correct
3 Correct 5 ms 10844 KB Output is correct
4 Correct 5 ms 10844 KB Output is correct
5 Correct 5 ms 10844 KB Output is correct
6 Correct 5 ms 10844 KB Output is correct
7 Correct 5 ms 10912 KB Output is correct
8 Correct 5 ms 10840 KB Output is correct
9 Correct 5 ms 10876 KB Output is correct
10 Correct 6 ms 10836 KB Output is correct
11 Correct 5 ms 10844 KB Output is correct
12 Correct 6 ms 10840 KB Output is correct
13 Correct 5 ms 11096 KB Output is correct
14 Correct 14 ms 12016 KB Output is correct
15 Correct 28 ms 13148 KB Output is correct
16 Correct 41 ms 14424 KB Output is correct
17 Correct 37 ms 14428 KB Output is correct
18 Correct 39 ms 14496 KB Output is correct
19 Correct 42 ms 14360 KB Output is correct
20 Correct 39 ms 14360 KB Output is correct
21 Correct 40 ms 14424 KB Output is correct
22 Correct 44 ms 14364 KB Output is correct
23 Correct 40 ms 14428 KB Output is correct
24 Correct 45 ms 14360 KB Output is correct
25 Correct 45 ms 14428 KB Output is correct
26 Correct 6 ms 10844 KB Output is correct
27 Correct 6 ms 10840 KB Output is correct
28 Correct 6 ms 11096 KB Output is correct
29 Correct 21 ms 12124 KB Output is correct
30 Correct 27 ms 13208 KB Output is correct
31 Correct 39 ms 14424 KB Output is correct
32 Correct 41 ms 14428 KB Output is correct
33 Correct 41 ms 14424 KB Output is correct
34 Correct 40 ms 14428 KB Output is correct
35 Correct 42 ms 14364 KB Output is correct
36 Correct 41 ms 14428 KB Output is correct
37 Correct 44 ms 14428 KB Output is correct
38 Correct 43 ms 14356 KB Output is correct
39 Correct 44 ms 14428 KB Output is correct
40 Correct 40 ms 14424 KB Output is correct
41 Correct 5 ms 10840 KB Output is correct
42 Correct 6 ms 10840 KB Output is correct
43 Correct 6 ms 10844 KB Output is correct
44 Correct 6 ms 11100 KB Output is correct
45 Correct 7 ms 11068 KB Output is correct
46 Correct 7 ms 11100 KB Output is correct
47 Correct 11 ms 11508 KB Output is correct
48 Correct 11 ms 11352 KB Output is correct
49 Correct 18 ms 12124 KB Output is correct
50 Correct 32 ms 13236 KB Output is correct
51 Correct 50 ms 14348 KB Output is correct
52 Correct 48 ms 14424 KB Output is correct
53 Correct 48 ms 14416 KB Output is correct
54 Correct 47 ms 14428 KB Output is correct
55 Correct 54 ms 14356 KB Output is correct
56 Correct 54 ms 14424 KB Output is correct
57 Correct 49 ms 14428 KB Output is correct
58 Correct 48 ms 14428 KB Output is correct
59 Correct 47 ms 14424 KB Output is correct
60 Correct 51 ms 14528 KB Output is correct
61 Correct 49 ms 14360 KB Output is correct
62 Correct 48 ms 14396 KB Output is correct
63 Correct 50 ms 14428 KB Output is correct
64 Correct 47 ms 14424 KB Output is correct
65 Correct 49 ms 14424 KB Output is correct
66 Correct 51 ms 14424 KB Output is correct
67 Correct 49 ms 14424 KB Output is correct
68 Correct 51 ms 14428 KB Output is correct
69 Correct 55 ms 14428 KB Output is correct
70 Correct 51 ms 14360 KB Output is correct
71 Correct 13 ms 11608 KB Output is correct
72 Correct 13 ms 11612 KB Output is correct
73 Correct 12 ms 11612 KB Output is correct
74 Correct 16 ms 11620 KB Output is correct
75 Correct 12 ms 11612 KB Output is correct
76 Correct 20 ms 12124 KB Output is correct
77 Correct 20 ms 12124 KB Output is correct
78 Correct 22 ms 12124 KB Output is correct
79 Correct 21 ms 12212 KB Output is correct
80 Correct 22 ms 12124 KB Output is correct
81 Correct 39 ms 13200 KB Output is correct
82 Correct 38 ms 13148 KB Output is correct
83 Correct 41 ms 13144 KB Output is correct
84 Correct 44 ms 13144 KB Output is correct
85 Correct 38 ms 13148 KB Output is correct
86 Correct 40 ms 13144 KB Output is correct
87 Correct 39 ms 13148 KB Output is correct
88 Correct 38 ms 13148 KB Output is correct
89 Correct 39 ms 13148 KB Output is correct
90 Correct 38 ms 13148 KB Output is correct
91 Correct 55 ms 14428 KB Output is correct
92 Correct 55 ms 14424 KB Output is correct
93 Correct 55 ms 14428 KB Output is correct
94 Correct 55 ms 14408 KB Output is correct
95 Correct 60 ms 14428 KB Output is correct
96 Correct 55 ms 14532 KB Output is correct
97 Correct 65 ms 14360 KB Output is correct
98 Correct 57 ms 14348 KB Output is correct
99 Correct 56 ms 14388 KB Output is correct
100 Correct 55 ms 14424 KB Output is correct
101 Correct 56 ms 14416 KB Output is correct
102 Correct 55 ms 14428 KB Output is correct
103 Correct 55 ms 14428 KB Output is correct
104 Correct 55 ms 14424 KB Output is correct
105 Correct 58 ms 14356 KB Output is correct
106 Correct 56 ms 14352 KB Output is correct
107 Correct 62 ms 14416 KB Output is correct
108 Correct 54 ms 14352 KB Output is correct
109 Correct 54 ms 14428 KB Output is correct
110 Correct 56 ms 14428 KB Output is correct
111 Correct 61 ms 14532 KB Output is correct
112 Correct 55 ms 14528 KB Output is correct
113 Correct 55 ms 14428 KB Output is correct
114 Correct 54 ms 14428 KB Output is correct
115 Correct 54 ms 14424 KB Output is correct
116 Correct 127 ms 12420 KB Output is correct
117 Correct 139 ms 13000 KB Output is correct
118 Correct 661 ms 13768 KB Output is correct
119 Correct 771 ms 13832 KB Output is correct
120 Correct 827 ms 13832 KB Output is correct
121 Correct 1908 ms 14792 KB Output is correct
122 Correct 1942 ms 14824 KB Output is correct
123 Correct 4864 ms 16384 KB Output is correct
124 Correct 5477 ms 16584 KB Output is correct
125 Correct 5670 ms 16576 KB Output is correct
126 Execution timed out 7058 ms 17356 KB Time limit exceeded
127 Halted 0 ms 0 KB -