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Submission #798553

# Submission time Handle Problem Language Result Execution time Memory
798553 2023-07-30T20:22:15 Z Johann Diversity (CEOI21_diversity) C++14
22 / 100
 995 ms 3532 KB 
#include "bits/stdc++.h"
using namespace std;

typedef long long ll;
typedef vector<int> vi;
#define sz(x) (int)(x).size()
#define all(x) (x).begin(), (x).end()

const ll INF = 1e18;
int N, Q;
vi A, AA;
ll ans;
vi P;
vi answerPermutation;

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);

    cin >> N >> Q;
    AA.resize(N);
    for (int i = 0; i < N; ++i)
        cin >> AA[i];

    while (Q--)
    {
        int l, r;
        cin >> l >> r;
        --l;
        ll n = r - l;

        A = vi(AA.begin() + l, AA.begin() + r);

        vi heatMap(*max_element(all(A)) + 1, 0);
        for (int i = 0; i < sz(A); ++i)
            ++heatMap[A[i]];
        vi cnts;
        for (int i = 0; i < sz(heatMap); ++i)
            if (heatMap[i])
                cnts.push_back(heatMap[i]);

        sort(all(cnts));
        ll num = sz(cnts);
        ans = INF;

        for (int i = 0; i < (1 << num); ++i)
        {
            // if all were different
            ll tmp = n * (n + 1) * (n + 1) / 2 - (2 * n + 1) * (n + 1) * n / 6;

            ll right = 0;
            ll left = 0;

            for (int j = 0; j < num; ++j)
            {
                ll x = cnts[j];
                // either with left or right endpoint in set
                tmp -= (n - x) * x * (x - 1) / 2;
                // if both are in set
                tmp -= x * x * (x - 1) / 2 - (2 * x - 1) * x * (x - 1) / 6;

                if (i & (1 << j))
                { // left
                    tmp -= (x - 1) * left * (n - left - x);
                    left += x;
                }
                else
                { // right
                    tmp -= (x - 1) * right * (n - right - x);
                    right += x;
                }
            }
            ans = min(ans, tmp);
        }

        cout << ans << "\n";
    }

    return 0;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 5 ms 1236 KB Output is correct
5 Correct 9 ms 2256 KB Output is correct
6 Correct 14 ms 3292 KB Output is correct
7 Correct 13 ms 3268 KB Output is correct
8 Correct 14 ms 3280 KB Output is correct
9 Correct 14 ms 3276 KB Output is correct
10 Correct 14 ms 3284 KB Output is correct
11 Correct 13 ms 3204 KB Output is correct
12 Correct 14 ms 3284 KB Output is correct
13 Correct 14 ms 3284 KB Output is correct
14 Correct 13 ms 3288 KB Output is correct
15 Correct 13 ms 3284 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 5 ms 1236 KB Output is correct
5 Correct 9 ms 2256 KB Output is correct
6 Correct 14 ms 3292 KB Output is correct
7 Correct 13 ms 3268 KB Output is correct
8 Correct 14 ms 3280 KB Output is correct
9 Correct 14 ms 3276 KB Output is correct
10 Correct 14 ms 3284 KB Output is correct
11 Correct 13 ms 3204 KB Output is correct
12 Correct 14 ms 3284 KB Output is correct
13 Correct 14 ms 3284 KB Output is correct
14 Correct 13 ms 3288 KB Output is correct
15 Correct 13 ms 3284 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 3 ms 324 KB Output is correct
18 Correct 26 ms 428 KB Output is correct
19 Correct 112 ms 1344 KB Output is correct
20 Correct 233 ms 2508 KB Output is correct
21 Correct 969 ms 3480 KB Output is correct
22 Correct 991 ms 3448 KB Output is correct
23 Correct 986 ms 3532 KB Output is correct
24 Correct 979 ms 3412 KB Output is correct
25 Correct 991 ms 3532 KB Output is correct
26 Correct 985 ms 3532 KB Output is correct
27 Correct 995 ms 3436 KB Output is correct
28 Correct 978 ms 3384 KB Output is correct
29 Correct 989 ms 3412 KB Output is correct
30 Correct 995 ms 3460 KB Output is correct

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 5 ms 1236 KB Output is correct
5 Correct 9 ms 2256 KB Output is correct
6 Correct 14 ms 3292 KB Output is correct
7 Correct 13 ms 3268 KB Output is correct
8 Correct 14 ms 3280 KB Output is correct
9 Correct 14 ms 3276 KB Output is correct
10 Correct 14 ms 3284 KB Output is correct
11 Correct 13 ms 3204 KB Output is correct
12 Correct 14 ms 3284 KB Output is correct
13 Correct 14 ms 3284 KB Output is correct
14 Correct 13 ms 3288 KB Output is correct
15 Correct 13 ms 3284 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 3 ms 324 KB Output is correct
18 Correct 26 ms 428 KB Output is correct
19 Correct 112 ms 1344 KB Output is correct
20 Correct 233 ms 2508 KB Output is correct
21 Correct 969 ms 3480 KB Output is correct
22 Correct 991 ms 3448 KB Output is correct
23 Correct 986 ms 3532 KB Output is correct
24 Correct 979 ms 3412 KB Output is correct
25 Correct 991 ms 3532 KB Output is correct
26 Correct 985 ms 3532 KB Output is correct
27 Correct 995 ms 3436 KB Output is correct
28 Correct 978 ms 3384 KB Output is correct
29 Correct 989 ms 3412 KB Output is correct
30 Correct 995 ms 3460 KB Output is correct
31 Incorrect 64 ms 308 KB Output isn't correct
32 Halted 0 ms 0 KB -

Subtask #5
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 5 ms 1236 KB Output is correct
15 Correct 9 ms 2256 KB Output is correct
16 Correct 14 ms 3292 KB Output is correct
17 Correct 13 ms 3268 KB Output is correct
18 Correct 14 ms 3280 KB Output is correct
19 Correct 14 ms 3276 KB Output is correct
20 Correct 14 ms 3284 KB Output is correct
21 Correct 13 ms 3204 KB Output is correct
22 Correct 14 ms 3284 KB Output is correct
23 Correct 14 ms 3284 KB Output is correct
24 Correct 13 ms 3288 KB Output is correct
25 Correct 13 ms 3284 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 3 ms 324 KB Output is correct
28 Correct 26 ms 428 KB Output is correct
29 Correct 112 ms 1344 KB Output is correct
30 Correct 233 ms 2508 KB Output is correct
31 Correct 969 ms 3480 KB Output is correct
32 Correct 991 ms 3448 KB Output is correct
33 Correct 986 ms 3532 KB Output is correct
34 Correct 979 ms 3412 KB Output is correct
35 Correct 991 ms 3532 KB Output is correct
36 Correct 985 ms 3532 KB Output is correct
37 Correct 995 ms 3436 KB Output is correct
38 Correct 978 ms 3384 KB Output is correct
39 Correct 989 ms 3412 KB Output is correct
40 Correct 995 ms 3460 KB Output is correct
41 Incorrect 64 ms 308 KB Output isn't correct
42 Halted 0 ms 0 KB -

Subtask #6
0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 5 ms 1236 KB Output is correct
15 Correct 9 ms 2256 KB Output is correct
16 Correct 14 ms 3292 KB Output is correct
17 Correct 13 ms 3268 KB Output is correct
18 Correct 14 ms 3280 KB Output is correct
19 Correct 14 ms 3276 KB Output is correct
20 Correct 14 ms 3284 KB Output is correct
21 Correct 13 ms 3204 KB Output is correct
22 Correct 14 ms 3284 KB Output is correct
23 Correct 14 ms 3284 KB Output is correct
24 Correct 13 ms 3288 KB Output is correct
25 Correct 13 ms 3284 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 3 ms 324 KB Output is correct
28 Correct 26 ms 428 KB Output is correct
29 Correct 112 ms 1344 KB Output is correct
30 Correct 233 ms 2508 KB Output is correct
31 Correct 969 ms 3480 KB Output is correct
32 Correct 991 ms 3448 KB Output is correct
33 Correct 986 ms 3532 KB Output is correct
34 Correct 979 ms 3412 KB Output is correct
35 Correct 991 ms 3532 KB Output is correct
36 Correct 985 ms 3532 KB Output is correct
37 Correct 995 ms 3436 KB Output is correct
38 Correct 978 ms 3384 KB Output is correct
39 Correct 989 ms 3412 KB Output is correct
40 Correct 995 ms 3460 KB Output is correct
41 Incorrect 64 ms 308 KB Output isn't correct
42 Halted 0 ms 0 KB -