Submission #697528

# Submission time Handle Problem Language Result Execution time Memory
697528 2023-02-10T09:18:29 Z piOOE Diversity (CEOI21_diversity) C++17
64 / 100
7000 ms 14748 KB
#include <bits/stdc++.h>

using namespace std;
using ll = long long;

struct SmartFenwick {
    vector<ll> k, b;
    int n{};

    void init(int x) {
        n = x;
        k.resize(x + 1), b.resize(x + 1);
    }

    void addk(int i, ll v) {
        for (int x = i + 1; x <= n; x += x & -x) {
            k[x] += v;
        }
    }

    void addb(int i, ll v) {
        for (int x = i + 1; x <= n; x += x & -x) {
            b[x] += v;
        }
    }

    void rangeAdd(int l, int r, ll v) {
        addk(l, v);
        addk(r, -v);
        addb(l, (l - 1) * -v);
        addb(r, (r - 1) * v);
    }

    ll sum(int i) {
        ll K = 0, B = 0;

        for (int x = i + 1; x > 0; x -= x & -x) {
            K += k[x], B += b[x];
        }

        return B + K * i;
    }

    ll rangeSum(int l, int r) {
        return sum(r - 1) - sum(l - 1);
    }
} t[2][2]; // (left/right), (L/R)

struct Query {
    int l, r, block, idx;

    bool operator<(Query oth) const {
        if (oth.block != block) {
            return block < oth.block;
        }

        return (block & 1) ? r > oth.r : r < oth.r;
    }
};

constexpr int B = 200;

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

    int n, q;
    cin >> n >> q;

    vector<int> a(n);

    for (int i = 0; i < n; ++i) {
        cin >> a[i];
    }

    vector<int> yy = a;
    sort(yy.begin(), yy.end());
    yy.resize(unique(yy.begin(), yy.end()) - yy.begin());

    for (int &x: a) {
        x = lower_bound(yy.begin(), yy.end(), x) - yy.begin();
    }

    const int m = yy.size();

    vector<Query> queries(q);
    vector<ll> answer(q);

    for (int i = 0; i < q; ++i) {
        int l, r;
        cin >> l >> r;
        l -= 1;

        queries[i].l = l, queries[i].r = r, queries[i].block = l / B, queries[i].idx = i;
    }

    sort(queries.begin(), queries.end());

    vector<int> head(n + 1);

    for (int i = 1; i <= n; ++i) {
        head[i] = m;
    }


    vector<int> pos(m), cnt(m), ord(m);
    iota(pos.begin(), pos.end(), 0);
    ord = pos;

    int siz[2]{(m + 1) / 2, m / 2};

    t[0][0].init(siz[0]);
    t[0][1].init(siz[0]);
    t[1][0].init(siz[1]);
    t[1][1].init(siz[1]);

    ll ans = 0;

    int len = 0;

    auto eval = [&](int i) {
        return 1LL * cnt[i] * (len - cnt[i]) + 1LL * (cnt[i] + 1) * cnt[i] / 2;
    };

    auto increase = [&](int i) {
        ans += len;

        len += 1;

        ans -= eval(i);

        int p = pos[i];
        int tail = head[cnt[i] + 1] - 1;

        if (p != tail) {
            int id = ord[tail];
            pos[id] = p;
            ord[p] = id;
            pos[i] = tail;
            ord[tail] = i;
            p = tail;
        }

        int side = p % 2;
        int s = p / 2;

        if (side) {
            ans += t[side][0].rangeSum(s + 1, siz[side]);
            t[side][1].rangeAdd(s + 1, siz[side], 1);

            t[side][0].rangeAdd(0, s, 1);
            ans += t[side][1].rangeSum(0, s);

            ans += t[side ^ 1][0].rangeSum(0, siz[side ^ 1]);
            t[side ^ 1][1].rangeAdd(0, siz[side ^ 1], 1);
        } else {
            ans += t[side][1].rangeSum(s + 1, siz[side]);
            t[side][0].rangeAdd(s + 1, siz[side], 1);

            t[side][1].rangeAdd(0, s, 1);
            ans += t[side][0].rangeSum(0, s);

            ans += t[side ^ 1][1].rangeSum(0, siz[side ^ 1]);
            t[side ^ 1][0].rangeAdd(0, siz[side ^ 1], 1);
        }

        cnt[i] += 1;
        head[cnt[i]] = p;

        ans += eval(i);
    };

    auto decrease = [&](int i) {
        ans -= len;

        len -= 1;

        ans -= eval(i);

        int p = pos[i];
        int start = head[cnt[i]];

        if (p != start) {
            int id = ord[start];
            pos[id] = p;
            ord[p] = id;
            pos[i] = start;
            ord[start] = i;
            p = start;
        }

        int side = p % 2;
        int s = p / 2;

        if (side) {
            ans -= t[side][0].rangeSum(s + 1, siz[side]);
            t[side][1].rangeAdd(s + 1, siz[side], -1);

            t[side][0].rangeAdd(0, s, -1);
            ans -= t[side][1].rangeSum(0, s);

            ans -= t[side ^ 1][0].rangeSum(0, siz[side ^ 1]);
            t[side ^ 1][1].rangeAdd(0, siz[side ^ 1], -1);
        } else {
            ans -= t[side][1].rangeSum(s + 1, siz[side]);
            t[side][0].rangeAdd(s + 1, siz[side], -1);

            t[side][1].rangeAdd(0, s, -1);
            ans -= t[side][0].rangeSum(0, s);

            ans -= t[side ^ 1][1].rangeSum(0, siz[side ^ 1]);
            t[side ^ 1][0].rangeAdd(0, siz[side ^ 1], -1);
        }

        head[cnt[i]] = p + 1;
        cnt[i] -= 1;

        ans += eval(i);
    };

    int lx = 0, rx = 0;

    for (auto [l, r, bl, i]: queries) {
        while (rx < r) {
            increase(a[rx++]);
        }

        while (lx > l) {
            increase(a[--lx]);
        }

        while (lx < l) {
            decrease(a[lx++]);
        }

        while (rx > r) {
            decrease(a[--rx]);
        }

        answer[i] = ans;
    }

    for (int i = 0; i < q; ++i) {
        cout << answer[i] << '\n';
    }

    return 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 1 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 0 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 15 ms 1492 KB Output is correct
5 Correct 28 ms 2672 KB Output is correct
6 Correct 45 ms 3832 KB Output is correct
7 Correct 42 ms 3808 KB Output is correct
8 Correct 44 ms 3788 KB Output is correct
9 Correct 44 ms 3828 KB Output is correct
10 Correct 45 ms 3828 KB Output is correct
11 Correct 46 ms 3804 KB Output is correct
12 Correct 46 ms 3832 KB Output is correct
13 Correct 46 ms 3820 KB Output is correct
14 Correct 45 ms 3832 KB Output is correct
15 Correct 45 ms 3940 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 15 ms 1492 KB Output is correct
5 Correct 28 ms 2672 KB Output is correct
6 Correct 45 ms 3832 KB Output is correct
7 Correct 42 ms 3808 KB Output is correct
8 Correct 44 ms 3788 KB Output is correct
9 Correct 44 ms 3828 KB Output is correct
10 Correct 45 ms 3828 KB Output is correct
11 Correct 46 ms 3804 KB Output is correct
12 Correct 46 ms 3832 KB Output is correct
13 Correct 46 ms 3820 KB Output is correct
14 Correct 45 ms 3832 KB Output is correct
15 Correct 45 ms 3940 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 2 ms 340 KB Output is correct
19 Correct 17 ms 1492 KB Output is correct
20 Correct 33 ms 2688 KB Output is correct
21 Correct 54 ms 3828 KB Output is correct
22 Correct 63 ms 3832 KB Output is correct
23 Correct 57 ms 3824 KB Output is correct
24 Correct 51 ms 3836 KB Output is correct
25 Correct 54 ms 3820 KB Output is correct
26 Correct 51 ms 3836 KB Output is correct
27 Correct 52 ms 3832 KB Output is correct
28 Correct 50 ms 3804 KB Output is correct
29 Correct 53 ms 3828 KB Output is correct
30 Correct 54 ms 3832 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 15 ms 1492 KB Output is correct
5 Correct 28 ms 2672 KB Output is correct
6 Correct 45 ms 3832 KB Output is correct
7 Correct 42 ms 3808 KB Output is correct
8 Correct 44 ms 3788 KB Output is correct
9 Correct 44 ms 3828 KB Output is correct
10 Correct 45 ms 3828 KB Output is correct
11 Correct 46 ms 3804 KB Output is correct
12 Correct 46 ms 3832 KB Output is correct
13 Correct 46 ms 3820 KB Output is correct
14 Correct 45 ms 3832 KB Output is correct
15 Correct 45 ms 3940 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 2 ms 340 KB Output is correct
19 Correct 17 ms 1492 KB Output is correct
20 Correct 33 ms 2688 KB Output is correct
21 Correct 54 ms 3828 KB Output is correct
22 Correct 63 ms 3832 KB Output is correct
23 Correct 57 ms 3824 KB Output is correct
24 Correct 51 ms 3836 KB Output is correct
25 Correct 54 ms 3820 KB Output is correct
26 Correct 51 ms 3836 KB Output is correct
27 Correct 52 ms 3832 KB Output is correct
28 Correct 50 ms 3804 KB Output is correct
29 Correct 53 ms 3828 KB Output is correct
30 Correct 54 ms 3832 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 2 ms 340 KB Output is correct
35 Correct 3 ms 340 KB Output is correct
36 Correct 3 ms 468 KB Output is correct
37 Correct 13 ms 852 KB Output is correct
38 Correct 16 ms 852 KB Output is correct
39 Correct 30 ms 1492 KB Output is correct
40 Correct 55 ms 2656 KB Output is correct
41 Correct 95 ms 3788 KB Output is correct
42 Correct 100 ms 3808 KB Output is correct
43 Correct 83 ms 4000 KB Output is correct
44 Correct 81 ms 3800 KB Output is correct
45 Correct 83 ms 3820 KB Output is correct
46 Correct 84 ms 3816 KB Output is correct
47 Correct 87 ms 3820 KB Output is correct
48 Correct 85 ms 3816 KB Output is correct
49 Correct 83 ms 3828 KB Output is correct
50 Correct 81 ms 3800 KB Output is correct
51 Correct 81 ms 3788 KB Output is correct
52 Correct 94 ms 3932 KB Output is correct
53 Correct 85 ms 3808 KB Output is correct
54 Correct 85 ms 3824 KB Output is correct
55 Correct 85 ms 3856 KB Output is correct
56 Correct 85 ms 3820 KB Output is correct
57 Correct 94 ms 3880 KB Output is correct
58 Correct 88 ms 3888 KB Output is correct
59 Correct 84 ms 3812 KB Output is correct
60 Correct 82 ms 3808 KB Output is correct
# 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 1 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 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 2 ms 340 KB Output is correct
14 Correct 15 ms 1492 KB Output is correct
15 Correct 28 ms 2672 KB Output is correct
16 Correct 45 ms 3832 KB Output is correct
17 Correct 42 ms 3808 KB Output is correct
18 Correct 44 ms 3788 KB Output is correct
19 Correct 44 ms 3828 KB Output is correct
20 Correct 45 ms 3828 KB Output is correct
21 Correct 46 ms 3804 KB Output is correct
22 Correct 46 ms 3832 KB Output is correct
23 Correct 46 ms 3820 KB Output is correct
24 Correct 45 ms 3832 KB Output is correct
25 Correct 45 ms 3940 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 2 ms 340 KB Output is correct
29 Correct 17 ms 1492 KB Output is correct
30 Correct 33 ms 2688 KB Output is correct
31 Correct 54 ms 3828 KB Output is correct
32 Correct 63 ms 3832 KB Output is correct
33 Correct 57 ms 3824 KB Output is correct
34 Correct 51 ms 3836 KB Output is correct
35 Correct 54 ms 3820 KB Output is correct
36 Correct 51 ms 3836 KB Output is correct
37 Correct 52 ms 3832 KB Output is correct
38 Correct 50 ms 3804 KB Output is correct
39 Correct 53 ms 3828 KB Output is correct
40 Correct 54 ms 3832 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 2 ms 340 KB Output is correct
45 Correct 3 ms 340 KB Output is correct
46 Correct 3 ms 468 KB Output is correct
47 Correct 13 ms 852 KB Output is correct
48 Correct 16 ms 852 KB Output is correct
49 Correct 30 ms 1492 KB Output is correct
50 Correct 55 ms 2656 KB Output is correct
51 Correct 95 ms 3788 KB Output is correct
52 Correct 100 ms 3808 KB Output is correct
53 Correct 83 ms 4000 KB Output is correct
54 Correct 81 ms 3800 KB Output is correct
55 Correct 83 ms 3820 KB Output is correct
56 Correct 84 ms 3816 KB Output is correct
57 Correct 87 ms 3820 KB Output is correct
58 Correct 85 ms 3816 KB Output is correct
59 Correct 83 ms 3828 KB Output is correct
60 Correct 81 ms 3800 KB Output is correct
61 Correct 81 ms 3788 KB Output is correct
62 Correct 94 ms 3932 KB Output is correct
63 Correct 85 ms 3808 KB Output is correct
64 Correct 85 ms 3824 KB Output is correct
65 Correct 85 ms 3856 KB Output is correct
66 Correct 85 ms 3820 KB Output is correct
67 Correct 94 ms 3880 KB Output is correct
68 Correct 88 ms 3888 KB Output is correct
69 Correct 84 ms 3812 KB Output is correct
70 Correct 82 ms 3808 KB Output is correct
71 Correct 18 ms 984 KB Output is correct
72 Correct 18 ms 976 KB Output is correct
73 Correct 15 ms 980 KB Output is correct
74 Correct 16 ms 980 KB Output is correct
75 Correct 15 ms 980 KB Output is correct
76 Correct 41 ms 1620 KB Output is correct
77 Correct 43 ms 1624 KB Output is correct
78 Correct 42 ms 1636 KB Output is correct
79 Correct 34 ms 1620 KB Output is correct
80 Correct 33 ms 1708 KB Output is correct
81 Correct 71 ms 3048 KB Output is correct
82 Correct 70 ms 3040 KB Output is correct
83 Correct 74 ms 3144 KB Output is correct
84 Correct 85 ms 3020 KB Output is correct
85 Correct 73 ms 3044 KB Output is correct
86 Correct 78 ms 3416 KB Output is correct
87 Correct 77 ms 3420 KB Output is correct
88 Correct 79 ms 3404 KB Output is correct
89 Correct 77 ms 3404 KB Output is correct
90 Correct 78 ms 3412 KB Output is correct
91 Correct 176 ms 8160 KB Output is correct
92 Correct 176 ms 8156 KB Output is correct
93 Correct 194 ms 8140 KB Output is correct
94 Correct 181 ms 8036 KB Output is correct
95 Correct 186 ms 8152 KB Output is correct
96 Correct 237 ms 12520 KB Output is correct
97 Correct 250 ms 12528 KB Output is correct
98 Correct 228 ms 12380 KB Output is correct
99 Correct 234 ms 12504 KB Output is correct
100 Correct 229 ms 12384 KB Output is correct
101 Correct 231 ms 12468 KB Output is correct
102 Correct 241 ms 12528 KB Output is correct
103 Correct 240 ms 12476 KB Output is correct
104 Correct 230 ms 12396 KB Output is correct
105 Correct 246 ms 12472 KB Output is correct
106 Correct 231 ms 14640 KB Output is correct
107 Correct 248 ms 14632 KB Output is correct
108 Correct 266 ms 14568 KB Output is correct
109 Correct 224 ms 14560 KB Output is correct
110 Correct 237 ms 14632 KB Output is correct
111 Correct 231 ms 14748 KB Output is correct
112 Correct 241 ms 14632 KB Output is correct
113 Correct 251 ms 14640 KB Output is correct
114 Correct 240 ms 14544 KB Output is correct
115 Correct 233 ms 14636 KB Output is correct
# 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 1 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 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 2 ms 340 KB Output is correct
14 Correct 15 ms 1492 KB Output is correct
15 Correct 28 ms 2672 KB Output is correct
16 Correct 45 ms 3832 KB Output is correct
17 Correct 42 ms 3808 KB Output is correct
18 Correct 44 ms 3788 KB Output is correct
19 Correct 44 ms 3828 KB Output is correct
20 Correct 45 ms 3828 KB Output is correct
21 Correct 46 ms 3804 KB Output is correct
22 Correct 46 ms 3832 KB Output is correct
23 Correct 46 ms 3820 KB Output is correct
24 Correct 45 ms 3832 KB Output is correct
25 Correct 45 ms 3940 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 2 ms 340 KB Output is correct
29 Correct 17 ms 1492 KB Output is correct
30 Correct 33 ms 2688 KB Output is correct
31 Correct 54 ms 3828 KB Output is correct
32 Correct 63 ms 3832 KB Output is correct
33 Correct 57 ms 3824 KB Output is correct
34 Correct 51 ms 3836 KB Output is correct
35 Correct 54 ms 3820 KB Output is correct
36 Correct 51 ms 3836 KB Output is correct
37 Correct 52 ms 3832 KB Output is correct
38 Correct 50 ms 3804 KB Output is correct
39 Correct 53 ms 3828 KB Output is correct
40 Correct 54 ms 3832 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 2 ms 340 KB Output is correct
45 Correct 3 ms 340 KB Output is correct
46 Correct 3 ms 468 KB Output is correct
47 Correct 13 ms 852 KB Output is correct
48 Correct 16 ms 852 KB Output is correct
49 Correct 30 ms 1492 KB Output is correct
50 Correct 55 ms 2656 KB Output is correct
51 Correct 95 ms 3788 KB Output is correct
52 Correct 100 ms 3808 KB Output is correct
53 Correct 83 ms 4000 KB Output is correct
54 Correct 81 ms 3800 KB Output is correct
55 Correct 83 ms 3820 KB Output is correct
56 Correct 84 ms 3816 KB Output is correct
57 Correct 87 ms 3820 KB Output is correct
58 Correct 85 ms 3816 KB Output is correct
59 Correct 83 ms 3828 KB Output is correct
60 Correct 81 ms 3800 KB Output is correct
61 Correct 81 ms 3788 KB Output is correct
62 Correct 94 ms 3932 KB Output is correct
63 Correct 85 ms 3808 KB Output is correct
64 Correct 85 ms 3824 KB Output is correct
65 Correct 85 ms 3856 KB Output is correct
66 Correct 85 ms 3820 KB Output is correct
67 Correct 94 ms 3880 KB Output is correct
68 Correct 88 ms 3888 KB Output is correct
69 Correct 84 ms 3812 KB Output is correct
70 Correct 82 ms 3808 KB Output is correct
71 Correct 18 ms 984 KB Output is correct
72 Correct 18 ms 976 KB Output is correct
73 Correct 15 ms 980 KB Output is correct
74 Correct 16 ms 980 KB Output is correct
75 Correct 15 ms 980 KB Output is correct
76 Correct 41 ms 1620 KB Output is correct
77 Correct 43 ms 1624 KB Output is correct
78 Correct 42 ms 1636 KB Output is correct
79 Correct 34 ms 1620 KB Output is correct
80 Correct 33 ms 1708 KB Output is correct
81 Correct 71 ms 3048 KB Output is correct
82 Correct 70 ms 3040 KB Output is correct
83 Correct 74 ms 3144 KB Output is correct
84 Correct 85 ms 3020 KB Output is correct
85 Correct 73 ms 3044 KB Output is correct
86 Correct 78 ms 3416 KB Output is correct
87 Correct 77 ms 3420 KB Output is correct
88 Correct 79 ms 3404 KB Output is correct
89 Correct 77 ms 3404 KB Output is correct
90 Correct 78 ms 3412 KB Output is correct
91 Correct 176 ms 8160 KB Output is correct
92 Correct 176 ms 8156 KB Output is correct
93 Correct 194 ms 8140 KB Output is correct
94 Correct 181 ms 8036 KB Output is correct
95 Correct 186 ms 8152 KB Output is correct
96 Correct 237 ms 12520 KB Output is correct
97 Correct 250 ms 12528 KB Output is correct
98 Correct 228 ms 12380 KB Output is correct
99 Correct 234 ms 12504 KB Output is correct
100 Correct 229 ms 12384 KB Output is correct
101 Correct 231 ms 12468 KB Output is correct
102 Correct 241 ms 12528 KB Output is correct
103 Correct 240 ms 12476 KB Output is correct
104 Correct 230 ms 12396 KB Output is correct
105 Correct 246 ms 12472 KB Output is correct
106 Correct 231 ms 14640 KB Output is correct
107 Correct 248 ms 14632 KB Output is correct
108 Correct 266 ms 14568 KB Output is correct
109 Correct 224 ms 14560 KB Output is correct
110 Correct 237 ms 14632 KB Output is correct
111 Correct 231 ms 14748 KB Output is correct
112 Correct 241 ms 14632 KB Output is correct
113 Correct 251 ms 14640 KB Output is correct
114 Correct 240 ms 14544 KB Output is correct
115 Correct 233 ms 14636 KB Output is correct
116 Correct 272 ms 1992 KB Output is correct
117 Correct 335 ms 1996 KB Output is correct
118 Correct 769 ms 2596 KB Output is correct
119 Correct 970 ms 2616 KB Output is correct
120 Correct 1091 ms 2636 KB Output is correct
121 Correct 3170 ms 3224 KB Output is correct
122 Correct 3397 ms 3272 KB Output is correct
123 Execution timed out 7054 ms 3844 KB Time limit exceeded
124 Halted 0 ms 0 KB -