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Submission #998846

# Submission time Handle Problem Language Result Execution time Memory
998846 2024-06-14T17:59:55 Z andrei_iorgulescu Diversity (CEOI21_diversity) C++14
64 / 100
 7000 ms 19908 KB 
#include <bits/stdc++.h>

using namespace std;

#define int long long

const int B = 500;
const int V = 3e5;

int n,a[300005],q;
int fr[300005],aibfr[300005];

void update_fr(int pos,int val)
{
    for (int i = pos; i <= V + 1; i += (i & -i))
        aibfr[i] += val;
}

int query_fr(int pos)
{
    int rr = 0;
    for (int i = pos; i > 0; i -= (i & -i))
        rr += aibfr[i];
    return rr;
}

struct query
{
    int l,r,idx;
};

bool cmp(query A1, query A2)
{
    if (A1.l / B != A2.l / B)
        return A1.l < A2.l;
    return A1.r < A2.r;
}

query queries[50005];
int rasp[50005];
int ans1,ans2,ans3;
int v[300005];
int nre;

int aibv[300005],aibvii[300005];

void update_v(int pos,int val)
{
    for (int i = pos; i <= V; i += (i & -i))
        aibv[i] += val;
}

int query_v(int pos)
{
    int rr = 0;
    for (int i = pos; i > 0; i -= (i & -i))
        rr += aibv[i];
    return rr;
}

void update_vii(int pos,int val)
{
    for (int i = pos; i <= V; i += (i & -i))
        aibvii[i] += val;
}

int query_vii(int pos)
{
    int rr = 0;
    for (int i = pos; i > 0; i -= (i & -i))
        rr += aibvii[i];
    return rr;
}

void get_initial_ans()
{
    vector<int> poz_fr;
    for (int i = 1; i <= V; i++)
        poz_fr.push_back(fr[i]);
    sort(poz_fr.begin(),poz_fr.end());
    int l1 = 1,r1 = V;
    for (int i = 0; i < poz_fr.size(); i++)
    {
        if (i % 2 == 0)
            v[l1]  = poz_fr[i],l1++;
        else
            v[r1] = poz_fr[i],r1--;
    }
    for (int i = 1; i <= V; i++)
        ans1 += v[i] * (v[i] + 1) / 2;
    int sumvi = 0,sumivi = 0;
    for (int j = 1; j <= V; j++)
    {
        ans3 += j * v[j] * sumvi - v[j] * sumivi;
        ans2 += sumvi * v[j];
        sumvi += v[j];
        sumivi += j * v[j];
    }
    for (int i = 1; i <= V; i++)
        update_v(i,v[i]);
    for (int i = 1; i <= V; i++)
        update_vii(i,v[i] * i);
}

void update_structure(int val,int coef)
{
    //cout << val << ' ' << coef << endl;
    ans1 -= fr[val] * (fr[val] + 1) / 2;
    ans1 += (fr[val] + coef) * (fr[val] + coef + 1) / 2;
    ans2 -= fr[val] * (nre - fr[val]);
    ans2 += (fr[val] + coef) * (nre - fr[val]);
    nre += coef;
    int pos;
    if (coef == 1)
        pos = query_fr(fr[val] + 1);
    else
        pos = query_fr(fr[val] - 1 + 1) + 1;
    if (pos % 2 == 1)
        pos = (pos + 1) / 2;
    else
        pos = V - (pos - 1) / 2;
    //cout << ans3 << endl;
    //cout << pos << endl;
    int delta = coef * pos * query_v(pos - 1) - coef * pos * (query_v(V) - query_v(pos)) + coef * (query_vii(V) - query_vii(pos)) - coef * query_vii(pos - 1);
    ans3 += delta;
    int new_val = v[pos] + coef;
    update_v(pos,-v[pos]);
    update_v(pos,new_val);
    update_vii(pos,-v[pos] * pos);
    update_vii(pos,new_val * pos);
    v[pos] += coef;
    fr[val] += coef;
    //cout << fr[val] << ' ' << fr[val + coef] << endl;
    //cout << 1 << endl;
    update_fr(fr[val] - coef + 1,-1);
    //cout << 3 << endl;
    update_fr(fr[val] + 1,1);
    //cout << 2 << endl;
}

///fr poate fi intre 0 si V, grija la aib!!

signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    cin >> n >> q;
    for (int i = 1; i <= n; i++)
        cin >> a[i],fr[a[i]]++;
    get_initial_ans();
    nre = n;
    for (int i = 1; i <= q; i++)
    {
        cin >> queries[i].l >> queries[i].r;
        queries[i].idx = i;
    }
    sort(queries + 1,queries + q + 1,cmp);
    for (int i = 1; i <= V; i++)
        update_fr(fr[i] + 1,1);
    int l = 1,r = n;
    for (int i = 1; i <= q; i++)
    {
        while (r < queries[i].r)
        {
            r++;
            update_structure(a[r],1);
        }
        while (l > queries[i].l)
        {
            l--;
            update_structure(a[l],1);
        }
        while (r > queries[i].r)
        {
            update_structure(a[r],-1);
            r--;
        }
        while (l < queries[i].l)
        {
            update_structure(a[l],-1);
            l++;
        }
        //cout << ans1 << ' ' << ans2 << ' ' << ans3 << endl;
        rasp[queries[i].idx] = ans1 + ans2 + ans3;
    }
    for (int i = 1; i <= q; i++)
        cout << rasp[i] << '\n';
    return 0;
}

Compilation message

diversity.cpp: In function 'void get_initial_ans()':
diversity.cpp:82:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   82 |     for (int i = 0; i < poz_fr.size(); i++)
      |                     ~~^~~~~~~~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 17028 KB Output is correct
2 Correct 33 ms 16592 KB Output is correct
3 Correct 31 ms 15820 KB Output is correct
4 Correct 32 ms 15312 KB Output is correct
5 Correct 32 ms 15264 KB Output is correct
6 Correct 33 ms 15568 KB Output is correct
7 Correct 33 ms 15312 KB Output is correct
8 Correct 33 ms 16336 KB Output is correct
9 Correct 32 ms 16076 KB Output is correct
10 Correct 32 ms 16080 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 16336 KB Output is correct
2 Correct 32 ms 15824 KB Output is correct
3 Correct 35 ms 16332 KB Output is correct
4 Correct 35 ms 16076 KB Output is correct
5 Correct 41 ms 16336 KB Output is correct
6 Correct 43 ms 18376 KB Output is correct
7 Correct 42 ms 17096 KB Output is correct
8 Correct 42 ms 17348 KB Output is correct
9 Correct 43 ms 17092 KB Output is correct
10 Correct 43 ms 17856 KB Output is correct
11 Correct 43 ms 18628 KB Output is correct
12 Correct 43 ms 17348 KB Output is correct
13 Correct 43 ms 18884 KB Output is correct
14 Correct 44 ms 17092 KB Output is correct
15 Correct 44 ms 17348 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 16336 KB Output is correct
2 Correct 32 ms 15824 KB Output is correct
3 Correct 35 ms 16332 KB Output is correct
4 Correct 35 ms 16076 KB Output is correct
5 Correct 41 ms 16336 KB Output is correct
6 Correct 43 ms 18376 KB Output is correct
7 Correct 42 ms 17096 KB Output is correct
8 Correct 42 ms 17348 KB Output is correct
9 Correct 43 ms 17092 KB Output is correct
10 Correct 43 ms 17856 KB Output is correct
11 Correct 43 ms 18628 KB Output is correct
12 Correct 43 ms 17348 KB Output is correct
13 Correct 43 ms 18884 KB Output is correct
14 Correct 44 ms 17092 KB Output is correct
15 Correct 44 ms 17348 KB Output is correct
16 Correct 33 ms 15820 KB Output is correct
17 Correct 32 ms 16588 KB Output is correct
18 Correct 33 ms 16848 KB Output is correct
19 Correct 38 ms 16592 KB Output is correct
20 Correct 42 ms 17356 KB Output is correct
21 Correct 51 ms 17348 KB Output is correct
22 Correct 46 ms 18164 KB Output is correct
23 Correct 43 ms 18616 KB Output is correct
24 Correct 43 ms 17092 KB Output is correct
25 Correct 43 ms 18124 KB Output is correct
26 Correct 45 ms 17488 KB Output is correct
27 Correct 43 ms 17868 KB Output is correct
28 Correct 43 ms 17096 KB Output is correct
29 Correct 44 ms 17792 KB Output is correct
30 Correct 44 ms 17468 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 16336 KB Output is correct
2 Correct 32 ms 15824 KB Output is correct
3 Correct 35 ms 16332 KB Output is correct
4 Correct 35 ms 16076 KB Output is correct
5 Correct 41 ms 16336 KB Output is correct
6 Correct 43 ms 18376 KB Output is correct
7 Correct 42 ms 17096 KB Output is correct
8 Correct 42 ms 17348 KB Output is correct
9 Correct 43 ms 17092 KB Output is correct
10 Correct 43 ms 17856 KB Output is correct
11 Correct 43 ms 18628 KB Output is correct
12 Correct 43 ms 17348 KB Output is correct
13 Correct 43 ms 18884 KB Output is correct
14 Correct 44 ms 17092 KB Output is correct
15 Correct 44 ms 17348 KB Output is correct
16 Correct 33 ms 15820 KB Output is correct
17 Correct 32 ms 16588 KB Output is correct
18 Correct 33 ms 16848 KB Output is correct
19 Correct 38 ms 16592 KB Output is correct
20 Correct 42 ms 17356 KB Output is correct
21 Correct 51 ms 17348 KB Output is correct
22 Correct 46 ms 18164 KB Output is correct
23 Correct 43 ms 18616 KB Output is correct
24 Correct 43 ms 17092 KB Output is correct
25 Correct 43 ms 18124 KB Output is correct
26 Correct 45 ms 17488 KB Output is correct
27 Correct 43 ms 17868 KB Output is correct
28 Correct 43 ms 17096 KB Output is correct
29 Correct 44 ms 17792 KB Output is correct
30 Correct 44 ms 17468 KB Output is correct
31 Correct 32 ms 15620 KB Output is correct
32 Correct 33 ms 16848 KB Output is correct
33 Correct 33 ms 16588 KB Output is correct
34 Correct 32 ms 15308 KB Output is correct
35 Correct 33 ms 15980 KB Output is correct
36 Correct 33 ms 16336 KB Output is correct
37 Correct 35 ms 17356 KB Output is correct
38 Correct 34 ms 15568 KB Output is correct
39 Correct 36 ms 16332 KB Output is correct
40 Correct 40 ms 17360 KB Output is correct
41 Correct 44 ms 18116 KB Output is correct
42 Correct 44 ms 18888 KB Output is correct
43 Correct 47 ms 19404 KB Output is correct
44 Correct 45 ms 18000 KB Output is correct
45 Correct 47 ms 18376 KB Output is correct
46 Correct 47 ms 19144 KB Output is correct
47 Correct 45 ms 18636 KB Output is correct
48 Correct 45 ms 19052 KB Output is correct
49 Correct 44 ms 18832 KB Output is correct
50 Correct 45 ms 18380 KB Output is correct
51 Correct 44 ms 18888 KB Output is correct
52 Correct 46 ms 18896 KB Output is correct
53 Correct 44 ms 18636 KB Output is correct
54 Correct 44 ms 18120 KB Output is correct
55 Correct 43 ms 18076 KB Output is correct
56 Correct 44 ms 17988 KB Output is correct
57 Correct 44 ms 18628 KB Output is correct
58 Correct 44 ms 17508 KB Output is correct
59 Correct 46 ms 18128 KB Output is correct
60 Correct 44 ms 18116 KB Output is correct

Subtask #5
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 17028 KB Output is correct
2 Correct 33 ms 16592 KB Output is correct
3 Correct 31 ms 15820 KB Output is correct
4 Correct 32 ms 15312 KB Output is correct
5 Correct 32 ms 15264 KB Output is correct
6 Correct 33 ms 15568 KB Output is correct
7 Correct 33 ms 15312 KB Output is correct
8 Correct 33 ms 16336 KB Output is correct
9 Correct 32 ms 16076 KB Output is correct
10 Correct 32 ms 16080 KB Output is correct
11 Correct 34 ms 16336 KB Output is correct
12 Correct 32 ms 15824 KB Output is correct
13 Correct 35 ms 16332 KB Output is correct
14 Correct 35 ms 16076 KB Output is correct
15 Correct 41 ms 16336 KB Output is correct
16 Correct 43 ms 18376 KB Output is correct
17 Correct 42 ms 17096 KB Output is correct
18 Correct 42 ms 17348 KB Output is correct
19 Correct 43 ms 17092 KB Output is correct
20 Correct 43 ms 17856 KB Output is correct
21 Correct 43 ms 18628 KB Output is correct
22 Correct 43 ms 17348 KB Output is correct
23 Correct 43 ms 18884 KB Output is correct
24 Correct 44 ms 17092 KB Output is correct
25 Correct 44 ms 17348 KB Output is correct
26 Correct 33 ms 15820 KB Output is correct
27 Correct 32 ms 16588 KB Output is correct
28 Correct 33 ms 16848 KB Output is correct
29 Correct 38 ms 16592 KB Output is correct
30 Correct 42 ms 17356 KB Output is correct
31 Correct 51 ms 17348 KB Output is correct
32 Correct 46 ms 18164 KB Output is correct
33 Correct 43 ms 18616 KB Output is correct
34 Correct 43 ms 17092 KB Output is correct
35 Correct 43 ms 18124 KB Output is correct
36 Correct 45 ms 17488 KB Output is correct
37 Correct 43 ms 17868 KB Output is correct
38 Correct 43 ms 17096 KB Output is correct
39 Correct 44 ms 17792 KB Output is correct
40 Correct 44 ms 17468 KB Output is correct
41 Correct 32 ms 15620 KB Output is correct
42 Correct 33 ms 16848 KB Output is correct
43 Correct 33 ms 16588 KB Output is correct
44 Correct 32 ms 15308 KB Output is correct
45 Correct 33 ms 15980 KB Output is correct
46 Correct 33 ms 16336 KB Output is correct
47 Correct 35 ms 17356 KB Output is correct
48 Correct 34 ms 15568 KB Output is correct
49 Correct 36 ms 16332 KB Output is correct
50 Correct 40 ms 17360 KB Output is correct
51 Correct 44 ms 18116 KB Output is correct
52 Correct 44 ms 18888 KB Output is correct
53 Correct 47 ms 19404 KB Output is correct
54 Correct 45 ms 18000 KB Output is correct
55 Correct 47 ms 18376 KB Output is correct
56 Correct 47 ms 19144 KB Output is correct
57 Correct 45 ms 18636 KB Output is correct
58 Correct 45 ms 19052 KB Output is correct
59 Correct 44 ms 18832 KB Output is correct
60 Correct 45 ms 18380 KB Output is correct
61 Correct 44 ms 18888 KB Output is correct
62 Correct 46 ms 18896 KB Output is correct
63 Correct 44 ms 18636 KB Output is correct
64 Correct 44 ms 18120 KB Output is correct
65 Correct 43 ms 18076 KB Output is correct
66 Correct 44 ms 17988 KB Output is correct
67 Correct 44 ms 18628 KB Output is correct
68 Correct 44 ms 17508 KB Output is correct
69 Correct 46 ms 18128 KB Output is correct
70 Correct 44 ms 18116 KB Output is correct
71 Correct 39 ms 16080 KB Output is correct
72 Correct 35 ms 16316 KB Output is correct
73 Correct 35 ms 15912 KB Output is correct
74 Correct 35 ms 17104 KB Output is correct
75 Correct 36 ms 15568 KB Output is correct
76 Correct 37 ms 16080 KB Output is correct
77 Correct 42 ms 16824 KB Output is correct
78 Correct 37 ms 17104 KB Output is correct
79 Correct 36 ms 15916 KB Output is correct
80 Correct 36 ms 15824 KB Output is correct
81 Correct 43 ms 18120 KB Output is correct
82 Correct 41 ms 17104 KB Output is correct
83 Correct 42 ms 16592 KB Output is correct
84 Correct 42 ms 18124 KB Output is correct
85 Correct 41 ms 16848 KB Output is correct
86 Correct 42 ms 17104 KB Output is correct
87 Correct 42 ms 17352 KB Output is correct
88 Correct 43 ms 17096 KB Output is correct
89 Correct 42 ms 16580 KB Output is correct
90 Correct 43 ms 17616 KB Output is correct
91 Correct 49 ms 18884 KB Output is correct
92 Correct 50 ms 19408 KB Output is correct
93 Correct 51 ms 18376 KB Output is correct
94 Correct 52 ms 18120 KB Output is correct
95 Correct 50 ms 18744 KB Output is correct
96 Correct 50 ms 18888 KB Output is correct
97 Correct 50 ms 18356 KB Output is correct
98 Correct 50 ms 18372 KB Output is correct
99 Correct 52 ms 18628 KB Output is correct
100 Correct 50 ms 19148 KB Output is correct
101 Correct 50 ms 19412 KB Output is correct
102 Correct 50 ms 18884 KB Output is correct
103 Correct 54 ms 18372 KB Output is correct
104 Correct 51 ms 19140 KB Output is correct
105 Correct 52 ms 19888 KB Output is correct
106 Correct 62 ms 19140 KB Output is correct
107 Correct 50 ms 18884 KB Output is correct
108 Correct 49 ms 18428 KB Output is correct
109 Correct 50 ms 18884 KB Output is correct
110 Correct 49 ms 18368 KB Output is correct
111 Correct 51 ms 19108 KB Output is correct
112 Correct 50 ms 19656 KB Output is correct
113 Correct 50 ms 19664 KB Output is correct
114 Correct 50 ms 19908 KB Output is correct
115 Correct 52 ms 18440 KB Output is correct

Subtask #6
0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 17028 KB Output is correct
2 Correct 33 ms 16592 KB Output is correct
3 Correct 31 ms 15820 KB Output is correct
4 Correct 32 ms 15312 KB Output is correct
5 Correct 32 ms 15264 KB Output is correct
6 Correct 33 ms 15568 KB Output is correct
7 Correct 33 ms 15312 KB Output is correct
8 Correct 33 ms 16336 KB Output is correct
9 Correct 32 ms 16076 KB Output is correct
10 Correct 32 ms 16080 KB Output is correct
11 Correct 34 ms 16336 KB Output is correct
12 Correct 32 ms 15824 KB Output is correct
13 Correct 35 ms 16332 KB Output is correct
14 Correct 35 ms 16076 KB Output is correct
15 Correct 41 ms 16336 KB Output is correct
16 Correct 43 ms 18376 KB Output is correct
17 Correct 42 ms 17096 KB Output is correct
18 Correct 42 ms 17348 KB Output is correct
19 Correct 43 ms 17092 KB Output is correct
20 Correct 43 ms 17856 KB Output is correct
21 Correct 43 ms 18628 KB Output is correct
22 Correct 43 ms 17348 KB Output is correct
23 Correct 43 ms 18884 KB Output is correct
24 Correct 44 ms 17092 KB Output is correct
25 Correct 44 ms 17348 KB Output is correct
26 Correct 33 ms 15820 KB Output is correct
27 Correct 32 ms 16588 KB Output is correct
28 Correct 33 ms 16848 KB Output is correct
29 Correct 38 ms 16592 KB Output is correct
30 Correct 42 ms 17356 KB Output is correct
31 Correct 51 ms 17348 KB Output is correct
32 Correct 46 ms 18164 KB Output is correct
33 Correct 43 ms 18616 KB Output is correct
34 Correct 43 ms 17092 KB Output is correct
35 Correct 43 ms 18124 KB Output is correct
36 Correct 45 ms 17488 KB Output is correct
37 Correct 43 ms 17868 KB Output is correct
38 Correct 43 ms 17096 KB Output is correct
39 Correct 44 ms 17792 KB Output is correct
40 Correct 44 ms 17468 KB Output is correct
41 Correct 32 ms 15620 KB Output is correct
42 Correct 33 ms 16848 KB Output is correct
43 Correct 33 ms 16588 KB Output is correct
44 Correct 32 ms 15308 KB Output is correct
45 Correct 33 ms 15980 KB Output is correct
46 Correct 33 ms 16336 KB Output is correct
47 Correct 35 ms 17356 KB Output is correct
48 Correct 34 ms 15568 KB Output is correct
49 Correct 36 ms 16332 KB Output is correct
50 Correct 40 ms 17360 KB Output is correct
51 Correct 44 ms 18116 KB Output is correct
52 Correct 44 ms 18888 KB Output is correct
53 Correct 47 ms 19404 KB Output is correct
54 Correct 45 ms 18000 KB Output is correct
55 Correct 47 ms 18376 KB Output is correct
56 Correct 47 ms 19144 KB Output is correct
57 Correct 45 ms 18636 KB Output is correct
58 Correct 45 ms 19052 KB Output is correct
59 Correct 44 ms 18832 KB Output is correct
60 Correct 45 ms 18380 KB Output is correct
61 Correct 44 ms 18888 KB Output is correct
62 Correct 46 ms 18896 KB Output is correct
63 Correct 44 ms 18636 KB Output is correct
64 Correct 44 ms 18120 KB Output is correct
65 Correct 43 ms 18076 KB Output is correct
66 Correct 44 ms 17988 KB Output is correct
67 Correct 44 ms 18628 KB Output is correct
68 Correct 44 ms 17508 KB Output is correct
69 Correct 46 ms 18128 KB Output is correct
70 Correct 44 ms 18116 KB Output is correct
71 Correct 39 ms 16080 KB Output is correct
72 Correct 35 ms 16316 KB Output is correct
73 Correct 35 ms 15912 KB Output is correct
74 Correct 35 ms 17104 KB Output is correct
75 Correct 36 ms 15568 KB Output is correct
76 Correct 37 ms 16080 KB Output is correct
77 Correct 42 ms 16824 KB Output is correct
78 Correct 37 ms 17104 KB Output is correct
79 Correct 36 ms 15916 KB Output is correct
80 Correct 36 ms 15824 KB Output is correct
81 Correct 43 ms 18120 KB Output is correct
82 Correct 41 ms 17104 KB Output is correct
83 Correct 42 ms 16592 KB Output is correct
84 Correct 42 ms 18124 KB Output is correct
85 Correct 41 ms 16848 KB Output is correct
86 Correct 42 ms 17104 KB Output is correct
87 Correct 42 ms 17352 KB Output is correct
88 Correct 43 ms 17096 KB Output is correct
89 Correct 42 ms 16580 KB Output is correct
90 Correct 43 ms 17616 KB Output is correct
91 Correct 49 ms 18884 KB Output is correct
92 Correct 50 ms 19408 KB Output is correct
93 Correct 51 ms 18376 KB Output is correct
94 Correct 52 ms 18120 KB Output is correct
95 Correct 50 ms 18744 KB Output is correct
96 Correct 50 ms 18888 KB Output is correct
97 Correct 50 ms 18356 KB Output is correct
98 Correct 50 ms 18372 KB Output is correct
99 Correct 52 ms 18628 KB Output is correct
100 Correct 50 ms 19148 KB Output is correct
101 Correct 50 ms 19412 KB Output is correct
102 Correct 50 ms 18884 KB Output is correct
103 Correct 54 ms 18372 KB Output is correct
104 Correct 51 ms 19140 KB Output is correct
105 Correct 52 ms 19888 KB Output is correct
106 Correct 62 ms 19140 KB Output is correct
107 Correct 50 ms 18884 KB Output is correct
108 Correct 49 ms 18428 KB Output is correct
109 Correct 50 ms 18884 KB Output is correct
110 Correct 49 ms 18368 KB Output is correct
111 Correct 51 ms 19108 KB Output is correct
112 Correct 50 ms 19656 KB Output is correct
113 Correct 50 ms 19664 KB Output is correct
114 Correct 50 ms 19908 KB Output is correct
115 Correct 52 ms 18440 KB Output is correct
116 Correct 1614 ms 15880 KB Output is correct
117 Correct 1602 ms 15892 KB Output is correct
118 Correct 2514 ms 16844 KB Output is correct
119 Correct 2442 ms 16264 KB Output is correct
120 Correct 2541 ms 16384 KB Output is correct
121 Correct 5367 ms 16592 KB Output is correct
122 Correct 5285 ms 17360 KB Output is correct
123 Execution timed out 7029 ms 17604 KB Time limit exceeded
124 Halted 0 ms 0 KB -