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Submission #526198

# Submission time Handle Problem Language Result Execution time Memory
526198 2022-02-13T22:44:18 Z Plurm Diversity (CEOI21_diversity) C++11
64 / 100
 7000 ms 9968 KB 
#pragma GCC optimize("O3")
#include <bits/stdc++.h>
using namespace std;

template <typename T>
class FenwickTree{
public:
  T* FT;
  int n;
  bool negmode;
  FenwickTree(int sz = 1 << 19, bool negindex = true){
    n = sz+505;
    FT = new T[n];
    fill(FT, FT+n, (T)0);
    negmode = negindex;
  }
  void add(int idx, T amt){
    if(negmode) idx += n/2;
    while(idx < n){
      FT[idx] += amt;
      idx += idx & -idx;
    }
  }
  T sum(int idx){
    if(negmode) idx += n/2;
    T ret = (T)0;
    while(idx > 0){
      ret += FT[idx];
      idx -= idx & -idx;
    }
    return ret;
  }
  int lower_bound(const int v){
    if(v > FT[1]) return 0;
    int cur = 1 << 18;
    int part = FT[cur];
    for(int i = 17; i >= 0; i--){
      if(part >= v){
        cur += 1 << i;
        part += FT[cur];
      }else{
        part -= FT[cur];
        cur -= 1 << i;
        part += FT[cur];
      }
    }
    if(part < v) return cur-1;
    return cur;
  }
  int upper_bound(const int v){
    return lower_bound(v+1);
  }
};

FenwickTree<int> FT1; // Ri
FenwickTree<long long> FT2; // Ri * i
int cnt[300005];
int a[300005];
// abstract deque
// fenwick indexing:
// [...] [-3] [-2] [-1] [0] [1] [2] [...]
// deque indexing:
// [...] [6] [4] [2] [1] [3] [5] [...]
// invariant:
// dq[-i] <= dq[i] for all positive i
// dq[-i] >= dq[i+1] for all positive i

int dq2fw(int idx){
  return idx/2 * (idx % 2 ? 1 : -1);
}

FenwickTree<int> dq(300000, false); // using deque indexing
long long deque_add(const int x){
  int idx = dq.upper_bound(x)+1;
  dq.add(idx, 1);
  dq.add(idx+1, -1);
  int b = dq2fw(idx);
  FT1.add(b, 1);
  FT2.add(b, b);
  return FT2.FT[1 << 19] - FT2.sum(b) - 1ll * (b-1) * (FT1.FT[1 << 19] - FT1.sum(b))
  + 1ll * (b+1) * FT1.sum(b-1) - FT2.sum(b-1) + x+1;
}
long long deque_remove(const int x){
  int idx = dq.lower_bound(x);
  dq.add(idx, -1);
  dq.add(idx+1, 1);
  int b = dq2fw(idx);
  FT1.add(b, -1);
  FT2.add(b, -b);
  return FT2.FT[1 << 19] - FT2.sum(b) - 1ll * (b-1) * (FT1.FT[1 << 19] - FT1.sum(b))
  + 1ll * (b+1) * FT1.sum(b-1) - FT2.sum(b-1) + x;
}

vector<tuple<int,int,int>> qbckt[2048]; // (L, R, Q)
long long answer[50005];
int qcnt[2048];

int main(){
	int n,q;
	scanf("%d%d",&n,&q);
	for(int i = 1; i <= n; i++){
		scanf("%d",a+i);
	}
  int SQRT = 1024;
  vector<pair<int,int>> rawq;
  for(int i = 0; i < q; i++){
    int l, r;
    scanf("%d%d",&l,&r);
    rawq.emplace_back(l,r);
    qcnt[l/SQRT]++;
  }
  for(int i = 0; i <= n/SQRT+2; i++){
    qbckt[i].reserve(qcnt[i]);
  }
  for(int i = 0; i < q; i++){
    int l, r;
    tie(l, r) = rawq[i];
    qbckt[l / SQRT].emplace_back(l, r, i);
  }
  int lptr = 1;
  int rptr = 0;
  long long ans = 0ll;
  for(int i = 0; i <= n/SQRT+2; i++){
    sort(qbckt[i].begin(), qbckt[i].end(), [](tuple<int,int,int> x, tuple<int,int,int> y){
      return get<1>(x) < get<1>(y);
    });
    // Below goes declaratively.
    for(auto qr : qbckt[i]){
      int l, r, qnum;
      tie(l, r, qnum) = qr;
      while(rptr < r){
        rptr++;
        ans += deque_add(cnt[a[rptr]]);
        cnt[a[rptr]]++;
      }
      while(lptr > l){
        lptr--;
        ans += deque_add(cnt[a[lptr]]);
        cnt[a[lptr]]++;
      }
      while(lptr < l){
        ans -= deque_remove(cnt[a[lptr]]);
        cnt[a[lptr]]--;
        lptr++;
      }
      while(rptr > r){
        ans -= deque_remove(cnt[a[rptr]]);
        cnt[a[rptr]]--;
        rptr--;
      }
      answer[qnum] = ans;
    }
  }
  for(int i = 0; i < q; i++){
    printf("%lld\n", answer[i]);
  }
	return 0;
}

Compilation message

diversity.cpp: In function 'int main()':
diversity.cpp:100:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  100 |  scanf("%d%d",&n,&q);
      |  ~~~~~^~~~~~~~~~~~~~
diversity.cpp:102:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  102 |   scanf("%d",a+i);
      |   ~~~~~^~~~~~~~~~
diversity.cpp:108:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  108 |     scanf("%d%d",&l,&r);
      |     ~~~~~^~~~~~~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7628 KB Output is correct
2 Correct 4 ms 7628 KB Output is correct
3 Correct 5 ms 7628 KB Output is correct
4 Correct 4 ms 7628 KB Output is correct
5 Correct 3 ms 7628 KB Output is correct
6 Correct 3 ms 7628 KB Output is correct
7 Correct 3 ms 7628 KB Output is correct
8 Correct 3 ms 7628 KB Output is correct
9 Correct 3 ms 7628 KB Output is correct
10 Correct 3 ms 7628 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7628 KB Output is correct
2 Correct 3 ms 7628 KB Output is correct
3 Correct 6 ms 7756 KB Output is correct
4 Correct 30 ms 8104 KB Output is correct
5 Correct 58 ms 8492 KB Output is correct
6 Correct 87 ms 8860 KB Output is correct
7 Correct 87 ms 8780 KB Output is correct
8 Correct 80 ms 8868 KB Output is correct
9 Correct 84 ms 8864 KB Output is correct
10 Correct 85 ms 8780 KB Output is correct
11 Correct 81 ms 8780 KB Output is correct
12 Correct 92 ms 8780 KB Output is correct
13 Correct 82 ms 8780 KB Output is correct
14 Correct 85 ms 8816 KB Output is correct
15 Correct 83 ms 8860 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7628 KB Output is correct
2 Correct 3 ms 7628 KB Output is correct
3 Correct 6 ms 7756 KB Output is correct
4 Correct 30 ms 8104 KB Output is correct
5 Correct 58 ms 8492 KB Output is correct
6 Correct 87 ms 8860 KB Output is correct
7 Correct 87 ms 8780 KB Output is correct
8 Correct 80 ms 8868 KB Output is correct
9 Correct 84 ms 8864 KB Output is correct
10 Correct 85 ms 8780 KB Output is correct
11 Correct 81 ms 8780 KB Output is correct
12 Correct 92 ms 8780 KB Output is correct
13 Correct 82 ms 8780 KB Output is correct
14 Correct 85 ms 8816 KB Output is correct
15 Correct 83 ms 8860 KB Output is correct
16 Correct 3 ms 7628 KB Output is correct
17 Correct 3 ms 7628 KB Output is correct
18 Correct 6 ms 7752 KB Output is correct
19 Correct 32 ms 8080 KB Output is correct
20 Correct 64 ms 8468 KB Output is correct
21 Correct 87 ms 8860 KB Output is correct
22 Correct 84 ms 8752 KB Output is correct
23 Correct 85 ms 8860 KB Output is correct
24 Correct 88 ms 8848 KB Output is correct
25 Correct 86 ms 8864 KB Output is correct
26 Correct 94 ms 8880 KB Output is correct
27 Correct 86 ms 8864 KB Output is correct
28 Correct 84 ms 8812 KB Output is correct
29 Correct 83 ms 8780 KB Output is correct
30 Correct 86 ms 8780 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7628 KB Output is correct
2 Correct 3 ms 7628 KB Output is correct
3 Correct 6 ms 7756 KB Output is correct
4 Correct 30 ms 8104 KB Output is correct
5 Correct 58 ms 8492 KB Output is correct
6 Correct 87 ms 8860 KB Output is correct
7 Correct 87 ms 8780 KB Output is correct
8 Correct 80 ms 8868 KB Output is correct
9 Correct 84 ms 8864 KB Output is correct
10 Correct 85 ms 8780 KB Output is correct
11 Correct 81 ms 8780 KB Output is correct
12 Correct 92 ms 8780 KB Output is correct
13 Correct 82 ms 8780 KB Output is correct
14 Correct 85 ms 8816 KB Output is correct
15 Correct 83 ms 8860 KB Output is correct
16 Correct 3 ms 7628 KB Output is correct
17 Correct 3 ms 7628 KB Output is correct
18 Correct 6 ms 7752 KB Output is correct
19 Correct 32 ms 8080 KB Output is correct
20 Correct 64 ms 8468 KB Output is correct
21 Correct 87 ms 8860 KB Output is correct
22 Correct 84 ms 8752 KB Output is correct
23 Correct 85 ms 8860 KB Output is correct
24 Correct 88 ms 8848 KB Output is correct
25 Correct 86 ms 8864 KB Output is correct
26 Correct 94 ms 8880 KB Output is correct
27 Correct 86 ms 8864 KB Output is correct
28 Correct 84 ms 8812 KB Output is correct
29 Correct 83 ms 8780 KB Output is correct
30 Correct 86 ms 8780 KB Output is correct
31 Correct 5 ms 7628 KB Output is correct
32 Correct 3 ms 7628 KB Output is correct
33 Correct 4 ms 7628 KB Output is correct
34 Correct 7 ms 7756 KB Output is correct
35 Correct 6 ms 7756 KB Output is correct
36 Correct 6 ms 7732 KB Output is correct
37 Correct 17 ms 7904 KB Output is correct
38 Correct 18 ms 7832 KB Output is correct
39 Correct 34 ms 8100 KB Output is correct
40 Correct 59 ms 8468 KB Output is correct
41 Correct 89 ms 8864 KB Output is correct
42 Correct 90 ms 8772 KB Output is correct
43 Correct 95 ms 8944 KB Output is correct
44 Correct 87 ms 8864 KB Output is correct
45 Correct 100 ms 8864 KB Output is correct
46 Correct 89 ms 8864 KB Output is correct
47 Correct 88 ms 8864 KB Output is correct
48 Correct 90 ms 8780 KB Output is correct
49 Correct 90 ms 8872 KB Output is correct
50 Correct 91 ms 8780 KB Output is correct
51 Correct 91 ms 8864 KB Output is correct
52 Correct 89 ms 8860 KB Output is correct
53 Correct 92 ms 8896 KB Output is correct
54 Correct 87 ms 8824 KB Output is correct
55 Correct 90 ms 8864 KB Output is correct
56 Correct 87 ms 8820 KB Output is correct
57 Correct 88 ms 8860 KB Output is correct
58 Correct 93 ms 8860 KB Output is correct
59 Correct 88 ms 8856 KB Output is correct
60 Correct 93 ms 8828 KB Output is correct

Subtask #5
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7628 KB Output is correct
2 Correct 4 ms 7628 KB Output is correct
3 Correct 5 ms 7628 KB Output is correct
4 Correct 4 ms 7628 KB Output is correct
5 Correct 3 ms 7628 KB Output is correct
6 Correct 3 ms 7628 KB Output is correct
7 Correct 3 ms 7628 KB Output is correct
8 Correct 3 ms 7628 KB Output is correct
9 Correct 3 ms 7628 KB Output is correct
10 Correct 3 ms 7628 KB Output is correct
11 Correct 3 ms 7628 KB Output is correct
12 Correct 3 ms 7628 KB Output is correct
13 Correct 6 ms 7756 KB Output is correct
14 Correct 30 ms 8104 KB Output is correct
15 Correct 58 ms 8492 KB Output is correct
16 Correct 87 ms 8860 KB Output is correct
17 Correct 87 ms 8780 KB Output is correct
18 Correct 80 ms 8868 KB Output is correct
19 Correct 84 ms 8864 KB Output is correct
20 Correct 85 ms 8780 KB Output is correct
21 Correct 81 ms 8780 KB Output is correct
22 Correct 92 ms 8780 KB Output is correct
23 Correct 82 ms 8780 KB Output is correct
24 Correct 85 ms 8816 KB Output is correct
25 Correct 83 ms 8860 KB Output is correct
26 Correct 3 ms 7628 KB Output is correct
27 Correct 3 ms 7628 KB Output is correct
28 Correct 6 ms 7752 KB Output is correct
29 Correct 32 ms 8080 KB Output is correct
30 Correct 64 ms 8468 KB Output is correct
31 Correct 87 ms 8860 KB Output is correct
32 Correct 84 ms 8752 KB Output is correct
33 Correct 85 ms 8860 KB Output is correct
34 Correct 88 ms 8848 KB Output is correct
35 Correct 86 ms 8864 KB Output is correct
36 Correct 94 ms 8880 KB Output is correct
37 Correct 86 ms 8864 KB Output is correct
38 Correct 84 ms 8812 KB Output is correct
39 Correct 83 ms 8780 KB Output is correct
40 Correct 86 ms 8780 KB Output is correct
41 Correct 5 ms 7628 KB Output is correct
42 Correct 3 ms 7628 KB Output is correct
43 Correct 4 ms 7628 KB Output is correct
44 Correct 7 ms 7756 KB Output is correct
45 Correct 6 ms 7756 KB Output is correct
46 Correct 6 ms 7732 KB Output is correct
47 Correct 17 ms 7904 KB Output is correct
48 Correct 18 ms 7832 KB Output is correct
49 Correct 34 ms 8100 KB Output is correct
50 Correct 59 ms 8468 KB Output is correct
51 Correct 89 ms 8864 KB Output is correct
52 Correct 90 ms 8772 KB Output is correct
53 Correct 95 ms 8944 KB Output is correct
54 Correct 87 ms 8864 KB Output is correct
55 Correct 100 ms 8864 KB Output is correct
56 Correct 89 ms 8864 KB Output is correct
57 Correct 88 ms 8864 KB Output is correct
58 Correct 90 ms 8780 KB Output is correct
59 Correct 90 ms 8872 KB Output is correct
60 Correct 91 ms 8780 KB Output is correct
61 Correct 91 ms 8864 KB Output is correct
62 Correct 89 ms 8860 KB Output is correct
63 Correct 92 ms 8896 KB Output is correct
64 Correct 87 ms 8824 KB Output is correct
65 Correct 90 ms 8864 KB Output is correct
66 Correct 87 ms 8820 KB Output is correct
67 Correct 88 ms 8860 KB Output is correct
68 Correct 93 ms 8860 KB Output is correct
69 Correct 88 ms 8856 KB Output is correct
70 Correct 93 ms 8828 KB Output is correct
71 Correct 18 ms 7912 KB Output is correct
72 Correct 20 ms 7876 KB Output is correct
73 Correct 18 ms 7880 KB Output is correct
74 Correct 18 ms 7852 KB Output is correct
75 Correct 18 ms 7884 KB Output is correct
76 Correct 40 ms 8100 KB Output is correct
77 Correct 34 ms 8096 KB Output is correct
78 Correct 35 ms 8096 KB Output is correct
79 Correct 34 ms 8012 KB Output is correct
80 Correct 32 ms 8012 KB Output is correct
81 Correct 63 ms 8516 KB Output is correct
82 Correct 65 ms 8524 KB Output is correct
83 Correct 65 ms 8524 KB Output is correct
84 Correct 70 ms 8524 KB Output is correct
85 Correct 65 ms 8512 KB Output is correct
86 Correct 67 ms 8516 KB Output is correct
87 Correct 66 ms 8524 KB Output is correct
88 Correct 66 ms 8524 KB Output is correct
89 Correct 67 ms 8532 KB Output is correct
90 Correct 65 ms 8524 KB Output is correct
91 Correct 97 ms 9148 KB Output is correct
92 Correct 95 ms 9232 KB Output is correct
93 Correct 96 ms 9252 KB Output is correct
94 Correct 95 ms 9164 KB Output is correct
95 Correct 101 ms 9284 KB Output is correct
96 Correct 92 ms 9636 KB Output is correct
97 Correct 92 ms 9616 KB Output is correct
98 Correct 92 ms 9632 KB Output is correct
99 Correct 92 ms 9540 KB Output is correct
100 Correct 102 ms 9744 KB Output is correct
101 Correct 94 ms 9632 KB Output is correct
102 Correct 93 ms 9588 KB Output is correct
103 Correct 93 ms 9632 KB Output is correct
104 Correct 93 ms 9652 KB Output is correct
105 Correct 104 ms 9760 KB Output is correct
106 Correct 90 ms 9760 KB Output is correct
107 Correct 89 ms 9852 KB Output is correct
108 Correct 89 ms 9752 KB Output is correct
109 Correct 90 ms 9836 KB Output is correct
110 Correct 100 ms 9956 KB Output is correct
111 Correct 92 ms 9796 KB Output is correct
112 Correct 89 ms 9752 KB Output is correct
113 Correct 88 ms 9748 KB Output is correct
114 Correct 90 ms 9844 KB Output is correct
115 Correct 91 ms 9836 KB Output is correct

Subtask #6
0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7628 KB Output is correct
2 Correct 4 ms 7628 KB Output is correct
3 Correct 5 ms 7628 KB Output is correct
4 Correct 4 ms 7628 KB Output is correct
5 Correct 3 ms 7628 KB Output is correct
6 Correct 3 ms 7628 KB Output is correct
7 Correct 3 ms 7628 KB Output is correct
8 Correct 3 ms 7628 KB Output is correct
9 Correct 3 ms 7628 KB Output is correct
10 Correct 3 ms 7628 KB Output is correct
11 Correct 3 ms 7628 KB Output is correct
12 Correct 3 ms 7628 KB Output is correct
13 Correct 6 ms 7756 KB Output is correct
14 Correct 30 ms 8104 KB Output is correct
15 Correct 58 ms 8492 KB Output is correct
16 Correct 87 ms 8860 KB Output is correct
17 Correct 87 ms 8780 KB Output is correct
18 Correct 80 ms 8868 KB Output is correct
19 Correct 84 ms 8864 KB Output is correct
20 Correct 85 ms 8780 KB Output is correct
21 Correct 81 ms 8780 KB Output is correct
22 Correct 92 ms 8780 KB Output is correct
23 Correct 82 ms 8780 KB Output is correct
24 Correct 85 ms 8816 KB Output is correct
25 Correct 83 ms 8860 KB Output is correct
26 Correct 3 ms 7628 KB Output is correct
27 Correct 3 ms 7628 KB Output is correct
28 Correct 6 ms 7752 KB Output is correct
29 Correct 32 ms 8080 KB Output is correct
30 Correct 64 ms 8468 KB Output is correct
31 Correct 87 ms 8860 KB Output is correct
32 Correct 84 ms 8752 KB Output is correct
33 Correct 85 ms 8860 KB Output is correct
34 Correct 88 ms 8848 KB Output is correct
35 Correct 86 ms 8864 KB Output is correct
36 Correct 94 ms 8880 KB Output is correct
37 Correct 86 ms 8864 KB Output is correct
38 Correct 84 ms 8812 KB Output is correct
39 Correct 83 ms 8780 KB Output is correct
40 Correct 86 ms 8780 KB Output is correct
41 Correct 5 ms 7628 KB Output is correct
42 Correct 3 ms 7628 KB Output is correct
43 Correct 4 ms 7628 KB Output is correct
44 Correct 7 ms 7756 KB Output is correct
45 Correct 6 ms 7756 KB Output is correct
46 Correct 6 ms 7732 KB Output is correct
47 Correct 17 ms 7904 KB Output is correct
48 Correct 18 ms 7832 KB Output is correct
49 Correct 34 ms 8100 KB Output is correct
50 Correct 59 ms 8468 KB Output is correct
51 Correct 89 ms 8864 KB Output is correct
52 Correct 90 ms 8772 KB Output is correct
53 Correct 95 ms 8944 KB Output is correct
54 Correct 87 ms 8864 KB Output is correct
55 Correct 100 ms 8864 KB Output is correct
56 Correct 89 ms 8864 KB Output is correct
57 Correct 88 ms 8864 KB Output is correct
58 Correct 90 ms 8780 KB Output is correct
59 Correct 90 ms 8872 KB Output is correct
60 Correct 91 ms 8780 KB Output is correct
61 Correct 91 ms 8864 KB Output is correct
62 Correct 89 ms 8860 KB Output is correct
63 Correct 92 ms 8896 KB Output is correct
64 Correct 87 ms 8824 KB Output is correct
65 Correct 90 ms 8864 KB Output is correct
66 Correct 87 ms 8820 KB Output is correct
67 Correct 88 ms 8860 KB Output is correct
68 Correct 93 ms 8860 KB Output is correct
69 Correct 88 ms 8856 KB Output is correct
70 Correct 93 ms 8828 KB Output is correct
71 Correct 18 ms 7912 KB Output is correct
72 Correct 20 ms 7876 KB Output is correct
73 Correct 18 ms 7880 KB Output is correct
74 Correct 18 ms 7852 KB Output is correct
75 Correct 18 ms 7884 KB Output is correct
76 Correct 40 ms 8100 KB Output is correct
77 Correct 34 ms 8096 KB Output is correct
78 Correct 35 ms 8096 KB Output is correct
79 Correct 34 ms 8012 KB Output is correct
80 Correct 32 ms 8012 KB Output is correct
81 Correct 63 ms 8516 KB Output is correct
82 Correct 65 ms 8524 KB Output is correct
83 Correct 65 ms 8524 KB Output is correct
84 Correct 70 ms 8524 KB Output is correct
85 Correct 65 ms 8512 KB Output is correct
86 Correct 67 ms 8516 KB Output is correct
87 Correct 66 ms 8524 KB Output is correct
88 Correct 66 ms 8524 KB Output is correct
89 Correct 67 ms 8532 KB Output is correct
90 Correct 65 ms 8524 KB Output is correct
91 Correct 97 ms 9148 KB Output is correct
92 Correct 95 ms 9232 KB Output is correct
93 Correct 96 ms 9252 KB Output is correct
94 Correct 95 ms 9164 KB Output is correct
95 Correct 101 ms 9284 KB Output is correct
96 Correct 92 ms 9636 KB Output is correct
97 Correct 92 ms 9616 KB Output is correct
98 Correct 92 ms 9632 KB Output is correct
99 Correct 92 ms 9540 KB Output is correct
100 Correct 102 ms 9744 KB Output is correct
101 Correct 94 ms 9632 KB Output is correct
102 Correct 93 ms 9588 KB Output is correct
103 Correct 93 ms 9632 KB Output is correct
104 Correct 93 ms 9652 KB Output is correct
105 Correct 104 ms 9760 KB Output is correct
106 Correct 90 ms 9760 KB Output is correct
107 Correct 89 ms 9852 KB Output is correct
108 Correct 89 ms 9752 KB Output is correct
109 Correct 90 ms 9836 KB Output is correct
110 Correct 100 ms 9956 KB Output is correct
111 Correct 92 ms 9796 KB Output is correct
112 Correct 89 ms 9752 KB Output is correct
113 Correct 88 ms 9748 KB Output is correct
114 Correct 90 ms 9844 KB Output is correct
115 Correct 91 ms 9836 KB Output is correct
116 Correct 3634 ms 9484 KB Output is correct
117 Correct 3693 ms 9488 KB Output is correct
118 Correct 4289 ms 9772 KB Output is correct
119 Correct 4271 ms 9808 KB Output is correct
120 Correct 4474 ms 9784 KB Output is correct
121 Correct 6158 ms 9968 KB Output is correct
122 Correct 6368 ms 9968 KB Output is correct
123 Execution timed out 7077 ms 9844 KB Time limit exceeded
124 Halted 0 ms 0 KB -