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Submission #1087390

# Submission time Handle Problem Language Result Execution time Memory
1087390 2024-09-12T15:23:06 Z vladilius Diversity (CEOI21_diversity) C++17
64 / 100
 7000 ms 19660 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
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 = 250;
    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);
    pii rr[n + 1]; rr[0] = {1, n};
    for (int i = 1; i <= n; i++) rr[i] = {0, 0};
    FT T1(n), T2(n);
    auto add = [&](int x){
        x = a[x];
        int k = cnt[x], j1 = rr[k].ss, 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]);
        
        if (rr[k].ff == rr[k].ss) rr[k] = {0, 0};
        else rr[k].ss--;
        
        cnt[x]++; f[j1]++; k++;
        T1.upd(j, 1);
        T2.upd(j, j);
        
        if (!rr[k].ff) rr[k] = {j1, j1};
        else rr[k].ff--;
    };

    auto rem = [&](int x){
        x = a[x];
        int k = cnt[x], j1 = rr[k].ff, 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]);
        
        if (rr[k].ff == rr[k].ss) rr[k] = {0, 0};
        else rr[k].ff++;
        
        cnt[x]--; f[j1]--; k--;
        T1.upd(j, -1);
        T2.upd(j, -j);
        
        if (!rr[k].ff) rr[k] = {j1, j1};
        else rr[k].ss++;
    };
    
    vector<ll> out(q + 1);
    int lc = 1, rc = 0;
    for (auto [l, r, ii]: qs){
        while (lc > l) add(--lc);
        while (rc < r) add(++rc);
        while (lc < l) rem(lc++);
        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 10956 KB Output is correct
4 Correct 5 ms 11004 KB Output is correct
5 Correct 5 ms 10844 KB Output is correct
6 Correct 5 ms 10844 KB Output is correct
7 Correct 4 ms 10844 KB Output is correct
8 Correct 5 ms 10844 KB Output is correct
9 Correct 6 ms 10944 KB Output is correct
10 Correct 5 ms 10848 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 5 ms 10844 KB Output is correct
3 Correct 6 ms 11100 KB Output is correct
4 Correct 13 ms 13180 KB Output is correct
5 Correct 22 ms 15168 KB Output is correct
6 Correct 38 ms 17552 KB Output is correct
7 Correct 40 ms 17236 KB Output is correct
8 Correct 35 ms 17500 KB Output is correct
9 Correct 33 ms 17416 KB Output is correct
10 Correct 33 ms 17500 KB Output is correct
11 Correct 32 ms 17308 KB Output is correct
12 Correct 32 ms 17520 KB Output is correct
13 Correct 33 ms 17500 KB Output is correct
14 Correct 33 ms 17288 KB Output is correct
15 Correct 31 ms 17496 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 5 ms 10844 KB Output is correct
3 Correct 6 ms 11100 KB Output is correct
4 Correct 13 ms 13180 KB Output is correct
5 Correct 22 ms 15168 KB Output is correct
6 Correct 38 ms 17552 KB Output is correct
7 Correct 40 ms 17236 KB Output is correct
8 Correct 35 ms 17500 KB Output is correct
9 Correct 33 ms 17416 KB Output is correct
10 Correct 33 ms 17500 KB Output is correct
11 Correct 32 ms 17308 KB Output is correct
12 Correct 32 ms 17520 KB Output is correct
13 Correct 33 ms 17500 KB Output is correct
14 Correct 33 ms 17288 KB Output is correct
15 Correct 31 ms 17496 KB Output is correct
16 Correct 5 ms 10840 KB Output is correct
17 Correct 5 ms 10844 KB Output is correct
18 Correct 5 ms 11100 KB Output is correct
19 Correct 13 ms 13148 KB Output is correct
20 Correct 24 ms 15440 KB Output is correct
21 Correct 33 ms 17496 KB Output is correct
22 Correct 32 ms 17496 KB Output is correct
23 Correct 35 ms 17496 KB Output is correct
24 Correct 32 ms 17496 KB Output is correct
25 Correct 34 ms 17500 KB Output is correct
26 Correct 34 ms 17492 KB Output is correct
27 Correct 32 ms 17500 KB Output is correct
28 Correct 33 ms 17500 KB Output is correct
29 Correct 34 ms 17500 KB Output is correct
30 Correct 32 ms 17496 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 5 ms 10844 KB Output is correct
3 Correct 6 ms 11100 KB Output is correct
4 Correct 13 ms 13180 KB Output is correct
5 Correct 22 ms 15168 KB Output is correct
6 Correct 38 ms 17552 KB Output is correct
7 Correct 40 ms 17236 KB Output is correct
8 Correct 35 ms 17500 KB Output is correct
9 Correct 33 ms 17416 KB Output is correct
10 Correct 33 ms 17500 KB Output is correct
11 Correct 32 ms 17308 KB Output is correct
12 Correct 32 ms 17520 KB Output is correct
13 Correct 33 ms 17500 KB Output is correct
14 Correct 33 ms 17288 KB Output is correct
15 Correct 31 ms 17496 KB Output is correct
16 Correct 5 ms 10840 KB Output is correct
17 Correct 5 ms 10844 KB Output is correct
18 Correct 5 ms 11100 KB Output is correct
19 Correct 13 ms 13148 KB Output is correct
20 Correct 24 ms 15440 KB Output is correct
21 Correct 33 ms 17496 KB Output is correct
22 Correct 32 ms 17496 KB Output is correct
23 Correct 35 ms 17496 KB Output is correct
24 Correct 32 ms 17496 KB Output is correct
25 Correct 34 ms 17500 KB Output is correct
26 Correct 34 ms 17492 KB Output is correct
27 Correct 32 ms 17500 KB Output is correct
28 Correct 33 ms 17500 KB Output is correct
29 Correct 34 ms 17500 KB Output is correct
30 Correct 32 ms 17496 KB Output is correct
31 Correct 8 ms 10844 KB Output is correct
32 Correct 5 ms 10844 KB Output is correct
33 Correct 5 ms 10844 KB Output is correct
34 Correct 6 ms 11100 KB Output is correct
35 Correct 6 ms 11140 KB Output is correct
36 Correct 6 ms 11100 KB Output is correct
37 Correct 10 ms 12040 KB Output is correct
38 Correct 10 ms 12124 KB Output is correct
39 Correct 14 ms 13148 KB Output is correct
40 Correct 28 ms 15716 KB Output is correct
41 Correct 37 ms 18012 KB Output is correct
42 Correct 35 ms 18012 KB Output is correct
43 Correct 36 ms 18000 KB Output is correct
44 Correct 36 ms 18012 KB Output is correct
45 Correct 37 ms 17792 KB Output is correct
46 Correct 39 ms 18012 KB Output is correct
47 Correct 35 ms 18008 KB Output is correct
48 Correct 36 ms 18000 KB Output is correct
49 Correct 34 ms 18008 KB Output is correct
50 Correct 46 ms 18004 KB Output is correct
51 Correct 35 ms 18008 KB Output is correct
52 Correct 35 ms 17800 KB Output is correct
53 Correct 39 ms 18008 KB Output is correct
54 Correct 37 ms 18004 KB Output is correct
55 Correct 36 ms 18004 KB Output is correct
56 Correct 36 ms 18012 KB Output is correct
57 Correct 37 ms 18012 KB Output is correct
58 Correct 37 ms 18012 KB Output is correct
59 Correct 36 ms 18004 KB Output is correct
60 Correct 35 ms 18012 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 10956 KB Output is correct
4 Correct 5 ms 11004 KB Output is correct
5 Correct 5 ms 10844 KB Output is correct
6 Correct 5 ms 10844 KB Output is correct
7 Correct 4 ms 10844 KB Output is correct
8 Correct 5 ms 10844 KB Output is correct
9 Correct 6 ms 10944 KB Output is correct
10 Correct 5 ms 10848 KB Output is correct
11 Correct 5 ms 10844 KB Output is correct
12 Correct 5 ms 10844 KB Output is correct
13 Correct 6 ms 11100 KB Output is correct
14 Correct 13 ms 13180 KB Output is correct
15 Correct 22 ms 15168 KB Output is correct
16 Correct 38 ms 17552 KB Output is correct
17 Correct 40 ms 17236 KB Output is correct
18 Correct 35 ms 17500 KB Output is correct
19 Correct 33 ms 17416 KB Output is correct
20 Correct 33 ms 17500 KB Output is correct
21 Correct 32 ms 17308 KB Output is correct
22 Correct 32 ms 17520 KB Output is correct
23 Correct 33 ms 17500 KB Output is correct
24 Correct 33 ms 17288 KB Output is correct
25 Correct 31 ms 17496 KB Output is correct
26 Correct 5 ms 10840 KB Output is correct
27 Correct 5 ms 10844 KB Output is correct
28 Correct 5 ms 11100 KB Output is correct
29 Correct 13 ms 13148 KB Output is correct
30 Correct 24 ms 15440 KB Output is correct
31 Correct 33 ms 17496 KB Output is correct
32 Correct 32 ms 17496 KB Output is correct
33 Correct 35 ms 17496 KB Output is correct
34 Correct 32 ms 17496 KB Output is correct
35 Correct 34 ms 17500 KB Output is correct
36 Correct 34 ms 17492 KB Output is correct
37 Correct 32 ms 17500 KB Output is correct
38 Correct 33 ms 17500 KB Output is correct
39 Correct 34 ms 17500 KB Output is correct
40 Correct 32 ms 17496 KB Output is correct
41 Correct 8 ms 10844 KB Output is correct
42 Correct 5 ms 10844 KB Output is correct
43 Correct 5 ms 10844 KB Output is correct
44 Correct 6 ms 11100 KB Output is correct
45 Correct 6 ms 11140 KB Output is correct
46 Correct 6 ms 11100 KB Output is correct
47 Correct 10 ms 12040 KB Output is correct
48 Correct 10 ms 12124 KB Output is correct
49 Correct 14 ms 13148 KB Output is correct
50 Correct 28 ms 15716 KB Output is correct
51 Correct 37 ms 18012 KB Output is correct
52 Correct 35 ms 18012 KB Output is correct
53 Correct 36 ms 18000 KB Output is correct
54 Correct 36 ms 18012 KB Output is correct
55 Correct 37 ms 17792 KB Output is correct
56 Correct 39 ms 18012 KB Output is correct
57 Correct 35 ms 18008 KB Output is correct
58 Correct 36 ms 18000 KB Output is correct
59 Correct 34 ms 18008 KB Output is correct
60 Correct 46 ms 18004 KB Output is correct
61 Correct 35 ms 18008 KB Output is correct
62 Correct 35 ms 17800 KB Output is correct
63 Correct 39 ms 18008 KB Output is correct
64 Correct 37 ms 18004 KB Output is correct
65 Correct 36 ms 18004 KB Output is correct
66 Correct 36 ms 18012 KB Output is correct
67 Correct 37 ms 18012 KB Output is correct
68 Correct 37 ms 18012 KB Output is correct
69 Correct 36 ms 18004 KB Output is correct
70 Correct 35 ms 18012 KB Output is correct
71 Correct 10 ms 12124 KB Output is correct
72 Correct 10 ms 12124 KB Output is correct
73 Correct 10 ms 12120 KB Output is correct
74 Correct 9 ms 12124 KB Output is correct
75 Correct 11 ms 12124 KB Output is correct
76 Correct 14 ms 13404 KB Output is correct
77 Correct 14 ms 13436 KB Output is correct
78 Correct 18 ms 13364 KB Output is correct
79 Correct 15 ms 13404 KB Output is correct
80 Correct 16 ms 13440 KB Output is correct
81 Correct 26 ms 15876 KB Output is correct
82 Correct 25 ms 15708 KB Output is correct
83 Correct 26 ms 15708 KB Output is correct
84 Correct 29 ms 15704 KB Output is correct
85 Correct 26 ms 15708 KB Output is correct
86 Correct 27 ms 15964 KB Output is correct
87 Correct 27 ms 15964 KB Output is correct
88 Correct 29 ms 15964 KB Output is correct
89 Correct 31 ms 15952 KB Output is correct
90 Correct 28 ms 15960 KB Output is correct
91 Correct 44 ms 18568 KB Output is correct
92 Correct 42 ms 18520 KB Output is correct
93 Correct 42 ms 18624 KB Output is correct
94 Correct 41 ms 18396 KB Output is correct
95 Correct 43 ms 18436 KB Output is correct
96 Correct 43 ms 18512 KB Output is correct
97 Correct 46 ms 18776 KB Output is correct
98 Correct 43 ms 18780 KB Output is correct
99 Correct 44 ms 18768 KB Output is correct
100 Correct 42 ms 18796 KB Output is correct
101 Correct 44 ms 18776 KB Output is correct
102 Correct 51 ms 18776 KB Output is correct
103 Correct 45 ms 18592 KB Output is correct
104 Correct 50 ms 18776 KB Output is correct
105 Correct 48 ms 18516 KB Output is correct
106 Correct 45 ms 18776 KB Output is correct
107 Correct 47 ms 18780 KB Output is correct
108 Correct 49 ms 18696 KB Output is correct
109 Correct 44 ms 18772 KB Output is correct
110 Correct 49 ms 18780 KB Output is correct
111 Correct 43 ms 18780 KB Output is correct
112 Correct 46 ms 18772 KB Output is correct
113 Correct 44 ms 18780 KB Output is correct
114 Correct 47 ms 18768 KB Output is correct
115 Correct 52 ms 18776 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 10956 KB Output is correct
4 Correct 5 ms 11004 KB Output is correct
5 Correct 5 ms 10844 KB Output is correct
6 Correct 5 ms 10844 KB Output is correct
7 Correct 4 ms 10844 KB Output is correct
8 Correct 5 ms 10844 KB Output is correct
9 Correct 6 ms 10944 KB Output is correct
10 Correct 5 ms 10848 KB Output is correct
11 Correct 5 ms 10844 KB Output is correct
12 Correct 5 ms 10844 KB Output is correct
13 Correct 6 ms 11100 KB Output is correct
14 Correct 13 ms 13180 KB Output is correct
15 Correct 22 ms 15168 KB Output is correct
16 Correct 38 ms 17552 KB Output is correct
17 Correct 40 ms 17236 KB Output is correct
18 Correct 35 ms 17500 KB Output is correct
19 Correct 33 ms 17416 KB Output is correct
20 Correct 33 ms 17500 KB Output is correct
21 Correct 32 ms 17308 KB Output is correct
22 Correct 32 ms 17520 KB Output is correct
23 Correct 33 ms 17500 KB Output is correct
24 Correct 33 ms 17288 KB Output is correct
25 Correct 31 ms 17496 KB Output is correct
26 Correct 5 ms 10840 KB Output is correct
27 Correct 5 ms 10844 KB Output is correct
28 Correct 5 ms 11100 KB Output is correct
29 Correct 13 ms 13148 KB Output is correct
30 Correct 24 ms 15440 KB Output is correct
31 Correct 33 ms 17496 KB Output is correct
32 Correct 32 ms 17496 KB Output is correct
33 Correct 35 ms 17496 KB Output is correct
34 Correct 32 ms 17496 KB Output is correct
35 Correct 34 ms 17500 KB Output is correct
36 Correct 34 ms 17492 KB Output is correct
37 Correct 32 ms 17500 KB Output is correct
38 Correct 33 ms 17500 KB Output is correct
39 Correct 34 ms 17500 KB Output is correct
40 Correct 32 ms 17496 KB Output is correct
41 Correct 8 ms 10844 KB Output is correct
42 Correct 5 ms 10844 KB Output is correct
43 Correct 5 ms 10844 KB Output is correct
44 Correct 6 ms 11100 KB Output is correct
45 Correct 6 ms 11140 KB Output is correct
46 Correct 6 ms 11100 KB Output is correct
47 Correct 10 ms 12040 KB Output is correct
48 Correct 10 ms 12124 KB Output is correct
49 Correct 14 ms 13148 KB Output is correct
50 Correct 28 ms 15716 KB Output is correct
51 Correct 37 ms 18012 KB Output is correct
52 Correct 35 ms 18012 KB Output is correct
53 Correct 36 ms 18000 KB Output is correct
54 Correct 36 ms 18012 KB Output is correct
55 Correct 37 ms 17792 KB Output is correct
56 Correct 39 ms 18012 KB Output is correct
57 Correct 35 ms 18008 KB Output is correct
58 Correct 36 ms 18000 KB Output is correct
59 Correct 34 ms 18008 KB Output is correct
60 Correct 46 ms 18004 KB Output is correct
61 Correct 35 ms 18008 KB Output is correct
62 Correct 35 ms 17800 KB Output is correct
63 Correct 39 ms 18008 KB Output is correct
64 Correct 37 ms 18004 KB Output is correct
65 Correct 36 ms 18004 KB Output is correct
66 Correct 36 ms 18012 KB Output is correct
67 Correct 37 ms 18012 KB Output is correct
68 Correct 37 ms 18012 KB Output is correct
69 Correct 36 ms 18004 KB Output is correct
70 Correct 35 ms 18012 KB Output is correct
71 Correct 10 ms 12124 KB Output is correct
72 Correct 10 ms 12124 KB Output is correct
73 Correct 10 ms 12120 KB Output is correct
74 Correct 9 ms 12124 KB Output is correct
75 Correct 11 ms 12124 KB Output is correct
76 Correct 14 ms 13404 KB Output is correct
77 Correct 14 ms 13436 KB Output is correct
78 Correct 18 ms 13364 KB Output is correct
79 Correct 15 ms 13404 KB Output is correct
80 Correct 16 ms 13440 KB Output is correct
81 Correct 26 ms 15876 KB Output is correct
82 Correct 25 ms 15708 KB Output is correct
83 Correct 26 ms 15708 KB Output is correct
84 Correct 29 ms 15704 KB Output is correct
85 Correct 26 ms 15708 KB Output is correct
86 Correct 27 ms 15964 KB Output is correct
87 Correct 27 ms 15964 KB Output is correct
88 Correct 29 ms 15964 KB Output is correct
89 Correct 31 ms 15952 KB Output is correct
90 Correct 28 ms 15960 KB Output is correct
91 Correct 44 ms 18568 KB Output is correct
92 Correct 42 ms 18520 KB Output is correct
93 Correct 42 ms 18624 KB Output is correct
94 Correct 41 ms 18396 KB Output is correct
95 Correct 43 ms 18436 KB Output is correct
96 Correct 43 ms 18512 KB Output is correct
97 Correct 46 ms 18776 KB Output is correct
98 Correct 43 ms 18780 KB Output is correct
99 Correct 44 ms 18768 KB Output is correct
100 Correct 42 ms 18796 KB Output is correct
101 Correct 44 ms 18776 KB Output is correct
102 Correct 51 ms 18776 KB Output is correct
103 Correct 45 ms 18592 KB Output is correct
104 Correct 50 ms 18776 KB Output is correct
105 Correct 48 ms 18516 KB Output is correct
106 Correct 45 ms 18776 KB Output is correct
107 Correct 47 ms 18780 KB Output is correct
108 Correct 49 ms 18696 KB Output is correct
109 Correct 44 ms 18772 KB Output is correct
110 Correct 49 ms 18780 KB Output is correct
111 Correct 43 ms 18780 KB Output is correct
112 Correct 46 ms 18772 KB Output is correct
113 Correct 44 ms 18780 KB Output is correct
114 Correct 47 ms 18768 KB Output is correct
115 Correct 52 ms 18776 KB Output is correct
116 Correct 166 ms 13000 KB Output is correct
117 Correct 174 ms 13000 KB Output is correct
118 Correct 390 ms 14192 KB Output is correct
119 Correct 388 ms 14280 KB Output is correct
120 Correct 376 ms 14288 KB Output is correct
121 Correct 1063 ms 15560 KB Output is correct
122 Correct 1083 ms 15620 KB Output is correct
123 Correct 3892 ms 17948 KB Output is correct
124 Correct 3970 ms 18120 KB Output is correct
125 Correct 4272 ms 18124 KB Output is correct
126 Execution timed out 7047 ms 19660 KB Time limit exceeded
127 Halted 0 ms 0 KB -