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Submission #871320

# Submission time Handle Problem Language Result Execution time Memory
871320 2023-11-10T14:39:35 Z Trisanu_Das Diversity (CEOI21_diversity) C++17
22 / 100
 1970 ms 2412 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
 
const int MAXN = 3e5 + 123;
int a[MAXN];
 
signed main() {
    int n, q;
    cin >> n >> q;
    for (int i = 0; i < n; ++i) cin >> a[i];
    for (int t = 0; t < q; ++t) {
        int l, r;
        cin >> l >> r;
        --l;
        map<int, int> mp;
        for (int i = l; i < r; ++i) ++mp[a[i]];
        vector<int> cnts;
        for (auto [vl, cnt] : mp) cnts.push_back(cnt);
        sort(cnts.begin(), cnts.end());
        int m = cnts.size();
        ll ans = 1ll * n * n * n;
        for (int msk = 0; msk < (1 << (m - 1)); ++msk) {
            vector<int> arr;
            for (int i = 0; i < m; ++i) if (msk & (1 << i)) arr.push_back(cnts[i]);
            for (int i = m - 1; i >= 0; --i) if ((msk & (1 << i)) == 0) arr.push_back(cnts[i]);
            ll ans0 = 0;
            for (int i = 0; i < m; ++i) {
                ans0 += 1ll * arr[i] * (arr[i] + 1) / 2;
                for (int j = i + 1; j < m; ++j) ans0 += 1ll * (j - i + 1) * arr[i] * arr[j];
            }
            ans = min(ans, ans0);
        }
        cout << ans << '\n';
    }
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 440 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 2 ms 348 KB Output is correct
4 Correct 13 ms 860 KB Output is correct
5 Correct 25 ms 1516 KB Output is correct
6 Correct 40 ms 2080 KB Output is correct
7 Correct 37 ms 2140 KB Output is correct
8 Correct 41 ms 2352 KB Output is correct
9 Correct 39 ms 2128 KB Output is correct
10 Correct 40 ms 2136 KB Output is correct
11 Correct 40 ms 2128 KB Output is correct
12 Correct 39 ms 2332 KB Output is correct
13 Correct 40 ms 2132 KB Output is correct
14 Correct 40 ms 2128 KB Output is correct
15 Correct 39 ms 2264 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 2 ms 348 KB Output is correct
4 Correct 13 ms 860 KB Output is correct
5 Correct 25 ms 1516 KB Output is correct
6 Correct 40 ms 2080 KB Output is correct
7 Correct 37 ms 2140 KB Output is correct
8 Correct 41 ms 2352 KB Output is correct
9 Correct 39 ms 2128 KB Output is correct
10 Correct 40 ms 2136 KB Output is correct
11 Correct 40 ms 2128 KB Output is correct
12 Correct 39 ms 2332 KB Output is correct
13 Correct 40 ms 2132 KB Output is correct
14 Correct 40 ms 2128 KB Output is correct
15 Correct 39 ms 2264 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 5 ms 348 KB Output is correct
18 Correct 48 ms 348 KB Output is correct
19 Correct 217 ms 856 KB Output is correct
20 Correct 447 ms 1728 KB Output is correct
21 Correct 1913 ms 2412 KB Output is correct
22 Correct 1903 ms 2368 KB Output is correct
23 Correct 1891 ms 2388 KB Output is correct
24 Correct 1901 ms 2372 KB Output is correct
25 Correct 1970 ms 2368 KB Output is correct
26 Correct 1893 ms 2344 KB Output is correct
27 Correct 1943 ms 2132 KB Output is correct
28 Correct 1923 ms 2316 KB Output is correct
29 Correct 1930 ms 2332 KB Output is correct
30 Correct 1921 ms 2392 KB Output is correct

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 2 ms 348 KB Output is correct
4 Correct 13 ms 860 KB Output is correct
5 Correct 25 ms 1516 KB Output is correct
6 Correct 40 ms 2080 KB Output is correct
7 Correct 37 ms 2140 KB Output is correct
8 Correct 41 ms 2352 KB Output is correct
9 Correct 39 ms 2128 KB Output is correct
10 Correct 40 ms 2136 KB Output is correct
11 Correct 40 ms 2128 KB Output is correct
12 Correct 39 ms 2332 KB Output is correct
13 Correct 40 ms 2132 KB Output is correct
14 Correct 40 ms 2128 KB Output is correct
15 Correct 39 ms 2264 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 5 ms 348 KB Output is correct
18 Correct 48 ms 348 KB Output is correct
19 Correct 217 ms 856 KB Output is correct
20 Correct 447 ms 1728 KB Output is correct
21 Correct 1913 ms 2412 KB Output is correct
22 Correct 1903 ms 2368 KB Output is correct
23 Correct 1891 ms 2388 KB Output is correct
24 Correct 1901 ms 2372 KB Output is correct
25 Correct 1970 ms 2368 KB Output is correct
26 Correct 1893 ms 2344 KB Output is correct
27 Correct 1943 ms 2132 KB Output is correct
28 Correct 1923 ms 2316 KB Output is correct
29 Correct 1930 ms 2332 KB Output is correct
30 Correct 1921 ms 2392 KB Output is correct
31 Incorrect 172 ms 432 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 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 440 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 2 ms 348 KB Output is correct
14 Correct 13 ms 860 KB Output is correct
15 Correct 25 ms 1516 KB Output is correct
16 Correct 40 ms 2080 KB Output is correct
17 Correct 37 ms 2140 KB Output is correct
18 Correct 41 ms 2352 KB Output is correct
19 Correct 39 ms 2128 KB Output is correct
20 Correct 40 ms 2136 KB Output is correct
21 Correct 40 ms 2128 KB Output is correct
22 Correct 39 ms 2332 KB Output is correct
23 Correct 40 ms 2132 KB Output is correct
24 Correct 40 ms 2128 KB Output is correct
25 Correct 39 ms 2264 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 5 ms 348 KB Output is correct
28 Correct 48 ms 348 KB Output is correct
29 Correct 217 ms 856 KB Output is correct
30 Correct 447 ms 1728 KB Output is correct
31 Correct 1913 ms 2412 KB Output is correct
32 Correct 1903 ms 2368 KB Output is correct
33 Correct 1891 ms 2388 KB Output is correct
34 Correct 1901 ms 2372 KB Output is correct
35 Correct 1970 ms 2368 KB Output is correct
36 Correct 1893 ms 2344 KB Output is correct
37 Correct 1943 ms 2132 KB Output is correct
38 Correct 1923 ms 2316 KB Output is correct
39 Correct 1930 ms 2332 KB Output is correct
40 Correct 1921 ms 2392 KB Output is correct
41 Incorrect 172 ms 432 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 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 440 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 2 ms 348 KB Output is correct
14 Correct 13 ms 860 KB Output is correct
15 Correct 25 ms 1516 KB Output is correct
16 Correct 40 ms 2080 KB Output is correct
17 Correct 37 ms 2140 KB Output is correct
18 Correct 41 ms 2352 KB Output is correct
19 Correct 39 ms 2128 KB Output is correct
20 Correct 40 ms 2136 KB Output is correct
21 Correct 40 ms 2128 KB Output is correct
22 Correct 39 ms 2332 KB Output is correct
23 Correct 40 ms 2132 KB Output is correct
24 Correct 40 ms 2128 KB Output is correct
25 Correct 39 ms 2264 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 5 ms 348 KB Output is correct
28 Correct 48 ms 348 KB Output is correct
29 Correct 217 ms 856 KB Output is correct
30 Correct 447 ms 1728 KB Output is correct
31 Correct 1913 ms 2412 KB Output is correct
32 Correct 1903 ms 2368 KB Output is correct
33 Correct 1891 ms 2388 KB Output is correct
34 Correct 1901 ms 2372 KB Output is correct
35 Correct 1970 ms 2368 KB Output is correct
36 Correct 1893 ms 2344 KB Output is correct
37 Correct 1943 ms 2132 KB Output is correct
38 Correct 1923 ms 2316 KB Output is correct
39 Correct 1930 ms 2332 KB Output is correct
40 Correct 1921 ms 2392 KB Output is correct
41 Incorrect 172 ms 432 KB Output isn't correct
42 Halted 0 ms 0 KB -