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Submission #1087373

# Submission time Handle Problem Language Result Execution time Memory
1087373 2024-09-12T14:49:29 Z vladilius Diversity (CEOI21_diversity) C++17
64 / 100
 53 ms 24780 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);
    pii rr[n + 1]; rr[0] = {1, n};
    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) 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 10876 KB Output is correct
3 Correct 5 ms 10952 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 10840 KB Output is correct
7 Correct 8 ms 10944 KB Output is correct
8 Correct 5 ms 10840 KB Output is correct
9 Correct 5 ms 10924 KB Output is correct
10 Correct 5 ms 10844 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 10840 KB Output is correct
2 Correct 9 ms 10844 KB Output is correct
3 Correct 6 ms 11064 KB Output is correct
4 Correct 14 ms 13404 KB Output is correct
5 Correct 23 ms 15104 KB Output is correct
6 Correct 37 ms 17492 KB Output is correct
7 Correct 35 ms 17500 KB Output is correct
8 Correct 41 ms 17500 KB Output is correct
9 Correct 36 ms 17288 KB Output is correct
10 Correct 36 ms 17492 KB Output is correct
11 Correct 36 ms 17492 KB Output is correct
12 Correct 38 ms 17484 KB Output is correct
13 Correct 34 ms 17500 KB Output is correct
14 Correct 36 ms 17496 KB Output is correct
15 Correct 32 ms 17488 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 10840 KB Output is correct
2 Correct 9 ms 10844 KB Output is correct
3 Correct 6 ms 11064 KB Output is correct
4 Correct 14 ms 13404 KB Output is correct
5 Correct 23 ms 15104 KB Output is correct
6 Correct 37 ms 17492 KB Output is correct
7 Correct 35 ms 17500 KB Output is correct
8 Correct 41 ms 17500 KB Output is correct
9 Correct 36 ms 17288 KB Output is correct
10 Correct 36 ms 17492 KB Output is correct
11 Correct 36 ms 17492 KB Output is correct
12 Correct 38 ms 17484 KB Output is correct
13 Correct 34 ms 17500 KB Output is correct
14 Correct 36 ms 17496 KB Output is correct
15 Correct 32 ms 17488 KB Output is correct
16 Correct 5 ms 10868 KB Output is correct
17 Correct 5 ms 10844 KB Output is correct
18 Correct 6 ms 11096 KB Output is correct
19 Correct 14 ms 13184 KB Output is correct
20 Correct 25 ms 15360 KB Output is correct
21 Correct 36 ms 17496 KB Output is correct
22 Correct 34 ms 17500 KB Output is correct
23 Correct 38 ms 17680 KB Output is correct
24 Correct 36 ms 17500 KB Output is correct
25 Correct 42 ms 17804 KB Output is correct
26 Correct 40 ms 17488 KB Output is correct
27 Correct 40 ms 17568 KB Output is correct
28 Correct 37 ms 17500 KB Output is correct
29 Correct 41 ms 17500 KB Output is correct
30 Correct 35 ms 17688 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 10840 KB Output is correct
2 Correct 9 ms 10844 KB Output is correct
3 Correct 6 ms 11064 KB Output is correct
4 Correct 14 ms 13404 KB Output is correct
5 Correct 23 ms 15104 KB Output is correct
6 Correct 37 ms 17492 KB Output is correct
7 Correct 35 ms 17500 KB Output is correct
8 Correct 41 ms 17500 KB Output is correct
9 Correct 36 ms 17288 KB Output is correct
10 Correct 36 ms 17492 KB Output is correct
11 Correct 36 ms 17492 KB Output is correct
12 Correct 38 ms 17484 KB Output is correct
13 Correct 34 ms 17500 KB Output is correct
14 Correct 36 ms 17496 KB Output is correct
15 Correct 32 ms 17488 KB Output is correct
16 Correct 5 ms 10868 KB Output is correct
17 Correct 5 ms 10844 KB Output is correct
18 Correct 6 ms 11096 KB Output is correct
19 Correct 14 ms 13184 KB Output is correct
20 Correct 25 ms 15360 KB Output is correct
21 Correct 36 ms 17496 KB Output is correct
22 Correct 34 ms 17500 KB Output is correct
23 Correct 38 ms 17680 KB Output is correct
24 Correct 36 ms 17500 KB Output is correct
25 Correct 42 ms 17804 KB Output is correct
26 Correct 40 ms 17488 KB Output is correct
27 Correct 40 ms 17568 KB Output is correct
28 Correct 37 ms 17500 KB Output is correct
29 Correct 41 ms 17500 KB Output is correct
30 Correct 35 ms 17688 KB Output is correct
31 Correct 5 ms 10844 KB Output is correct
32 Correct 5 ms 10844 KB Output is correct
33 Correct 5 ms 10868 KB Output is correct
34 Correct 7 ms 11096 KB Output is correct
35 Correct 7 ms 11100 KB Output is correct
36 Correct 6 ms 11100 KB Output is correct
37 Correct 10 ms 12004 KB Output is correct
38 Correct 10 ms 12120 KB Output is correct
39 Correct 15 ms 13368 KB Output is correct
40 Correct 26 ms 15704 KB Output is correct
41 Correct 38 ms 17920 KB Output is correct
42 Correct 38 ms 18012 KB Output is correct
43 Correct 39 ms 17800 KB Output is correct
44 Correct 46 ms 18044 KB Output is correct
45 Correct 38 ms 18012 KB Output is correct
46 Correct 37 ms 18000 KB Output is correct
47 Correct 37 ms 18012 KB Output is correct
48 Correct 39 ms 18012 KB Output is correct
49 Correct 39 ms 17800 KB Output is correct
50 Correct 40 ms 18012 KB Output is correct
51 Correct 40 ms 17972 KB Output is correct
52 Correct 38 ms 18008 KB Output is correct
53 Correct 38 ms 18020 KB Output is correct
54 Correct 38 ms 18004 KB Output is correct
55 Correct 37 ms 18008 KB Output is correct
56 Correct 38 ms 18012 KB Output is correct
57 Correct 38 ms 18000 KB Output is correct
58 Correct 46 ms 18012 KB Output is correct
59 Correct 37 ms 18012 KB Output is correct
60 Correct 40 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 10876 KB Output is correct
3 Correct 5 ms 10952 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 10840 KB Output is correct
7 Correct 8 ms 10944 KB Output is correct
8 Correct 5 ms 10840 KB Output is correct
9 Correct 5 ms 10924 KB Output is correct
10 Correct 5 ms 10844 KB Output is correct
11 Correct 5 ms 10840 KB Output is correct
12 Correct 9 ms 10844 KB Output is correct
13 Correct 6 ms 11064 KB Output is correct
14 Correct 14 ms 13404 KB Output is correct
15 Correct 23 ms 15104 KB Output is correct
16 Correct 37 ms 17492 KB Output is correct
17 Correct 35 ms 17500 KB Output is correct
18 Correct 41 ms 17500 KB Output is correct
19 Correct 36 ms 17288 KB Output is correct
20 Correct 36 ms 17492 KB Output is correct
21 Correct 36 ms 17492 KB Output is correct
22 Correct 38 ms 17484 KB Output is correct
23 Correct 34 ms 17500 KB Output is correct
24 Correct 36 ms 17496 KB Output is correct
25 Correct 32 ms 17488 KB Output is correct
26 Correct 5 ms 10868 KB Output is correct
27 Correct 5 ms 10844 KB Output is correct
28 Correct 6 ms 11096 KB Output is correct
29 Correct 14 ms 13184 KB Output is correct
30 Correct 25 ms 15360 KB Output is correct
31 Correct 36 ms 17496 KB Output is correct
32 Correct 34 ms 17500 KB Output is correct
33 Correct 38 ms 17680 KB Output is correct
34 Correct 36 ms 17500 KB Output is correct
35 Correct 42 ms 17804 KB Output is correct
36 Correct 40 ms 17488 KB Output is correct
37 Correct 40 ms 17568 KB Output is correct
38 Correct 37 ms 17500 KB Output is correct
39 Correct 41 ms 17500 KB Output is correct
40 Correct 35 ms 17688 KB Output is correct
41 Correct 5 ms 10844 KB Output is correct
42 Correct 5 ms 10844 KB Output is correct
43 Correct 5 ms 10868 KB Output is correct
44 Correct 7 ms 11096 KB Output is correct
45 Correct 7 ms 11100 KB Output is correct
46 Correct 6 ms 11100 KB Output is correct
47 Correct 10 ms 12004 KB Output is correct
48 Correct 10 ms 12120 KB Output is correct
49 Correct 15 ms 13368 KB Output is correct
50 Correct 26 ms 15704 KB Output is correct
51 Correct 38 ms 17920 KB Output is correct
52 Correct 38 ms 18012 KB Output is correct
53 Correct 39 ms 17800 KB Output is correct
54 Correct 46 ms 18044 KB Output is correct
55 Correct 38 ms 18012 KB Output is correct
56 Correct 37 ms 18000 KB Output is correct
57 Correct 37 ms 18012 KB Output is correct
58 Correct 39 ms 18012 KB Output is correct
59 Correct 39 ms 17800 KB Output is correct
60 Correct 40 ms 18012 KB Output is correct
61 Correct 40 ms 17972 KB Output is correct
62 Correct 38 ms 18008 KB Output is correct
63 Correct 38 ms 18020 KB Output is correct
64 Correct 38 ms 18004 KB Output is correct
65 Correct 37 ms 18008 KB Output is correct
66 Correct 38 ms 18012 KB Output is correct
67 Correct 38 ms 18000 KB Output is correct
68 Correct 46 ms 18012 KB Output is correct
69 Correct 37 ms 18012 KB Output is correct
70 Correct 40 ms 18012 KB Output is correct
71 Correct 10 ms 12012 KB Output is correct
72 Correct 10 ms 12124 KB Output is correct
73 Correct 10 ms 12120 KB Output is correct
74 Correct 10 ms 12004 KB Output is correct
75 Correct 10 ms 12236 KB Output is correct
76 Correct 15 ms 13404 KB Output is correct
77 Correct 16 ms 13460 KB Output is correct
78 Correct 16 ms 13400 KB Output is correct
79 Correct 15 ms 13288 KB Output is correct
80 Correct 16 ms 13404 KB Output is correct
81 Correct 28 ms 15744 KB Output is correct
82 Correct 27 ms 15704 KB Output is correct
83 Correct 27 ms 15708 KB Output is correct
84 Correct 28 ms 15708 KB Output is correct
85 Correct 27 ms 15704 KB Output is correct
86 Correct 28 ms 15964 KB Output is correct
87 Correct 28 ms 15964 KB Output is correct
88 Correct 28 ms 15964 KB Output is correct
89 Correct 28 ms 15964 KB Output is correct
90 Correct 28 ms 16012 KB Output is correct
91 Correct 43 ms 18524 KB Output is correct
92 Correct 46 ms 18432 KB Output is correct
93 Correct 46 ms 18608 KB Output is correct
94 Correct 45 ms 18516 KB Output is correct
95 Correct 45 ms 18604 KB Output is correct
96 Correct 50 ms 18772 KB Output is correct
97 Correct 46 ms 18516 KB Output is correct
98 Correct 45 ms 18764 KB Output is correct
99 Correct 47 ms 18768 KB Output is correct
100 Correct 46 ms 18780 KB Output is correct
101 Correct 44 ms 18772 KB Output is correct
102 Correct 45 ms 18776 KB Output is correct
103 Correct 45 ms 18780 KB Output is correct
104 Correct 44 ms 18516 KB Output is correct
105 Correct 46 ms 18780 KB Output is correct
106 Correct 45 ms 18768 KB Output is correct
107 Correct 49 ms 18780 KB Output is correct
108 Correct 44 ms 18812 KB Output is correct
109 Correct 46 ms 18772 KB Output is correct
110 Correct 44 ms 18808 KB Output is correct
111 Correct 44 ms 19032 KB Output is correct
112 Correct 44 ms 18772 KB Output is correct
113 Correct 45 ms 19024 KB Output is correct
114 Correct 53 ms 18800 KB Output is correct
115 Correct 44 ms 18772 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 10876 KB Output is correct
3 Correct 5 ms 10952 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 10840 KB Output is correct
7 Correct 8 ms 10944 KB Output is correct
8 Correct 5 ms 10840 KB Output is correct
9 Correct 5 ms 10924 KB Output is correct
10 Correct 5 ms 10844 KB Output is correct
11 Correct 5 ms 10840 KB Output is correct
12 Correct 9 ms 10844 KB Output is correct
13 Correct 6 ms 11064 KB Output is correct
14 Correct 14 ms 13404 KB Output is correct
15 Correct 23 ms 15104 KB Output is correct
16 Correct 37 ms 17492 KB Output is correct
17 Correct 35 ms 17500 KB Output is correct
18 Correct 41 ms 17500 KB Output is correct
19 Correct 36 ms 17288 KB Output is correct
20 Correct 36 ms 17492 KB Output is correct
21 Correct 36 ms 17492 KB Output is correct
22 Correct 38 ms 17484 KB Output is correct
23 Correct 34 ms 17500 KB Output is correct
24 Correct 36 ms 17496 KB Output is correct
25 Correct 32 ms 17488 KB Output is correct
26 Correct 5 ms 10868 KB Output is correct
27 Correct 5 ms 10844 KB Output is correct
28 Correct 6 ms 11096 KB Output is correct
29 Correct 14 ms 13184 KB Output is correct
30 Correct 25 ms 15360 KB Output is correct
31 Correct 36 ms 17496 KB Output is correct
32 Correct 34 ms 17500 KB Output is correct
33 Correct 38 ms 17680 KB Output is correct
34 Correct 36 ms 17500 KB Output is correct
35 Correct 42 ms 17804 KB Output is correct
36 Correct 40 ms 17488 KB Output is correct
37 Correct 40 ms 17568 KB Output is correct
38 Correct 37 ms 17500 KB Output is correct
39 Correct 41 ms 17500 KB Output is correct
40 Correct 35 ms 17688 KB Output is correct
41 Correct 5 ms 10844 KB Output is correct
42 Correct 5 ms 10844 KB Output is correct
43 Correct 5 ms 10868 KB Output is correct
44 Correct 7 ms 11096 KB Output is correct
45 Correct 7 ms 11100 KB Output is correct
46 Correct 6 ms 11100 KB Output is correct
47 Correct 10 ms 12004 KB Output is correct
48 Correct 10 ms 12120 KB Output is correct
49 Correct 15 ms 13368 KB Output is correct
50 Correct 26 ms 15704 KB Output is correct
51 Correct 38 ms 17920 KB Output is correct
52 Correct 38 ms 18012 KB Output is correct
53 Correct 39 ms 17800 KB Output is correct
54 Correct 46 ms 18044 KB Output is correct
55 Correct 38 ms 18012 KB Output is correct
56 Correct 37 ms 18000 KB Output is correct
57 Correct 37 ms 18012 KB Output is correct
58 Correct 39 ms 18012 KB Output is correct
59 Correct 39 ms 17800 KB Output is correct
60 Correct 40 ms 18012 KB Output is correct
61 Correct 40 ms 17972 KB Output is correct
62 Correct 38 ms 18008 KB Output is correct
63 Correct 38 ms 18020 KB Output is correct
64 Correct 38 ms 18004 KB Output is correct
65 Correct 37 ms 18008 KB Output is correct
66 Correct 38 ms 18012 KB Output is correct
67 Correct 38 ms 18000 KB Output is correct
68 Correct 46 ms 18012 KB Output is correct
69 Correct 37 ms 18012 KB Output is correct
70 Correct 40 ms 18012 KB Output is correct
71 Correct 10 ms 12012 KB Output is correct
72 Correct 10 ms 12124 KB Output is correct
73 Correct 10 ms 12120 KB Output is correct
74 Correct 10 ms 12004 KB Output is correct
75 Correct 10 ms 12236 KB Output is correct
76 Correct 15 ms 13404 KB Output is correct
77 Correct 16 ms 13460 KB Output is correct
78 Correct 16 ms 13400 KB Output is correct
79 Correct 15 ms 13288 KB Output is correct
80 Correct 16 ms 13404 KB Output is correct
81 Correct 28 ms 15744 KB Output is correct
82 Correct 27 ms 15704 KB Output is correct
83 Correct 27 ms 15708 KB Output is correct
84 Correct 28 ms 15708 KB Output is correct
85 Correct 27 ms 15704 KB Output is correct
86 Correct 28 ms 15964 KB Output is correct
87 Correct 28 ms 15964 KB Output is correct
88 Correct 28 ms 15964 KB Output is correct
89 Correct 28 ms 15964 KB Output is correct
90 Correct 28 ms 16012 KB Output is correct
91 Correct 43 ms 18524 KB Output is correct
92 Correct 46 ms 18432 KB Output is correct
93 Correct 46 ms 18608 KB Output is correct
94 Correct 45 ms 18516 KB Output is correct
95 Correct 45 ms 18604 KB Output is correct
96 Correct 50 ms 18772 KB Output is correct
97 Correct 46 ms 18516 KB Output is correct
98 Correct 45 ms 18764 KB Output is correct
99 Correct 47 ms 18768 KB Output is correct
100 Correct 46 ms 18780 KB Output is correct
101 Correct 44 ms 18772 KB Output is correct
102 Correct 45 ms 18776 KB Output is correct
103 Correct 45 ms 18780 KB Output is correct
104 Correct 44 ms 18516 KB Output is correct
105 Correct 46 ms 18780 KB Output is correct
106 Correct 45 ms 18768 KB Output is correct
107 Correct 49 ms 18780 KB Output is correct
108 Correct 44 ms 18812 KB Output is correct
109 Correct 46 ms 18772 KB Output is correct
110 Correct 44 ms 18808 KB Output is correct
111 Correct 44 ms 19032 KB Output is correct
112 Correct 44 ms 18772 KB Output is correct
113 Correct 45 ms 19024 KB Output is correct
114 Correct 53 ms 18800 KB Output is correct
115 Correct 44 ms 18772 KB Output is correct
116 Runtime error 25 ms 24780 KB Execution killed with signal 11
117 Halted 0 ms 0 KB -