Submission #526197

# Submission time Handle Problem Language Result Execution time Memory
526197 2022-02-13T22:43:01 Z Plurm Diversity (CEOI21_diversity) C++11
64 / 100
7000 ms 9976 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 = 555;
  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);
      |     ~~~~~^~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 4 ms 7628 KB Output is correct
2 Correct 5 ms 7628 KB Output is correct
3 Correct 3 ms 7628 KB Output is correct
4 Correct 3 ms 7628 KB Output is correct
5 Correct 5 ms 7628 KB Output is correct
6 Correct 3 ms 7628 KB Output is correct
7 Correct 3 ms 7724 KB Output is correct
8 Correct 3 ms 7628 KB Output is correct
9 Correct 3 ms 7644 KB Output is correct
10 Correct 3 ms 7628 KB Output is correct
# 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 33 ms 8084 KB Output is correct
5 Correct 63 ms 8472 KB Output is correct
6 Correct 104 ms 8856 KB Output is correct
7 Correct 90 ms 8864 KB Output is correct
8 Correct 88 ms 8780 KB Output is correct
9 Correct 83 ms 8856 KB Output is correct
10 Correct 84 ms 8856 KB Output is correct
11 Correct 83 ms 8780 KB Output is correct
12 Correct 87 ms 8896 KB Output is correct
13 Correct 82 ms 8780 KB Output is correct
14 Correct 87 ms 8856 KB Output is correct
15 Correct 82 ms 8780 KB Output is correct
# 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 33 ms 8084 KB Output is correct
5 Correct 63 ms 8472 KB Output is correct
6 Correct 104 ms 8856 KB Output is correct
7 Correct 90 ms 8864 KB Output is correct
8 Correct 88 ms 8780 KB Output is correct
9 Correct 83 ms 8856 KB Output is correct
10 Correct 84 ms 8856 KB Output is correct
11 Correct 83 ms 8780 KB Output is correct
12 Correct 87 ms 8896 KB Output is correct
13 Correct 82 ms 8780 KB Output is correct
14 Correct 87 ms 8856 KB Output is correct
15 Correct 82 ms 8780 KB Output is correct
16 Correct 3 ms 7628 KB Output is correct
17 Correct 5 ms 7628 KB Output is correct
18 Correct 6 ms 7756 KB Output is correct
19 Correct 33 ms 8080 KB Output is correct
20 Correct 66 ms 8468 KB Output is correct
21 Correct 102 ms 8780 KB Output is correct
22 Correct 83 ms 8860 KB Output is correct
23 Correct 92 ms 8748 KB Output is correct
24 Correct 88 ms 8780 KB Output is correct
25 Correct 95 ms 8760 KB Output is correct
26 Correct 84 ms 8864 KB Output is correct
27 Correct 85 ms 8856 KB Output is correct
28 Correct 86 ms 8860 KB Output is correct
29 Correct 84 ms 8768 KB Output is correct
30 Correct 89 ms 8872 KB Output is correct
# 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 33 ms 8084 KB Output is correct
5 Correct 63 ms 8472 KB Output is correct
6 Correct 104 ms 8856 KB Output is correct
7 Correct 90 ms 8864 KB Output is correct
8 Correct 88 ms 8780 KB Output is correct
9 Correct 83 ms 8856 KB Output is correct
10 Correct 84 ms 8856 KB Output is correct
11 Correct 83 ms 8780 KB Output is correct
12 Correct 87 ms 8896 KB Output is correct
13 Correct 82 ms 8780 KB Output is correct
14 Correct 87 ms 8856 KB Output is correct
15 Correct 82 ms 8780 KB Output is correct
16 Correct 3 ms 7628 KB Output is correct
17 Correct 5 ms 7628 KB Output is correct
18 Correct 6 ms 7756 KB Output is correct
19 Correct 33 ms 8080 KB Output is correct
20 Correct 66 ms 8468 KB Output is correct
21 Correct 102 ms 8780 KB Output is correct
22 Correct 83 ms 8860 KB Output is correct
23 Correct 92 ms 8748 KB Output is correct
24 Correct 88 ms 8780 KB Output is correct
25 Correct 95 ms 8760 KB Output is correct
26 Correct 84 ms 8864 KB Output is correct
27 Correct 85 ms 8856 KB Output is correct
28 Correct 86 ms 8860 KB Output is correct
29 Correct 84 ms 8768 KB Output is correct
30 Correct 89 ms 8872 KB Output is correct
31 Correct 3 ms 7632 KB Output is correct
32 Correct 4 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 7628 KB Output is correct
36 Correct 6 ms 7628 KB Output is correct
37 Correct 18 ms 7908 KB Output is correct
38 Correct 18 ms 7908 KB Output is correct
39 Correct 31 ms 8012 KB Output is correct
40 Correct 61 ms 8396 KB Output is correct
41 Correct 93 ms 8860 KB Output is correct
42 Correct 112 ms 8924 KB Output is correct
43 Correct 96 ms 8856 KB Output is correct
44 Correct 88 ms 8864 KB Output is correct
45 Correct 88 ms 8824 KB Output is correct
46 Correct 96 ms 8864 KB Output is correct
47 Correct 86 ms 8860 KB Output is correct
48 Correct 96 ms 8772 KB Output is correct
49 Correct 89 ms 8776 KB Output is correct
50 Correct 87 ms 8792 KB Output is correct
51 Correct 89 ms 8848 KB Output is correct
52 Correct 97 ms 8864 KB Output is correct
53 Correct 99 ms 8824 KB Output is correct
54 Correct 87 ms 8808 KB Output is correct
55 Correct 88 ms 8860 KB Output is correct
56 Correct 86 ms 8860 KB Output is correct
57 Correct 93 ms 8780 KB Output is correct
58 Correct 89 ms 8968 KB Output is correct
59 Correct 90 ms 8860 KB Output is correct
60 Correct 90 ms 8756 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 4 ms 7628 KB Output is correct
2 Correct 5 ms 7628 KB Output is correct
3 Correct 3 ms 7628 KB Output is correct
4 Correct 3 ms 7628 KB Output is correct
5 Correct 5 ms 7628 KB Output is correct
6 Correct 3 ms 7628 KB Output is correct
7 Correct 3 ms 7724 KB Output is correct
8 Correct 3 ms 7628 KB Output is correct
9 Correct 3 ms 7644 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 33 ms 8084 KB Output is correct
15 Correct 63 ms 8472 KB Output is correct
16 Correct 104 ms 8856 KB Output is correct
17 Correct 90 ms 8864 KB Output is correct
18 Correct 88 ms 8780 KB Output is correct
19 Correct 83 ms 8856 KB Output is correct
20 Correct 84 ms 8856 KB Output is correct
21 Correct 83 ms 8780 KB Output is correct
22 Correct 87 ms 8896 KB Output is correct
23 Correct 82 ms 8780 KB Output is correct
24 Correct 87 ms 8856 KB Output is correct
25 Correct 82 ms 8780 KB Output is correct
26 Correct 3 ms 7628 KB Output is correct
27 Correct 5 ms 7628 KB Output is correct
28 Correct 6 ms 7756 KB Output is correct
29 Correct 33 ms 8080 KB Output is correct
30 Correct 66 ms 8468 KB Output is correct
31 Correct 102 ms 8780 KB Output is correct
32 Correct 83 ms 8860 KB Output is correct
33 Correct 92 ms 8748 KB Output is correct
34 Correct 88 ms 8780 KB Output is correct
35 Correct 95 ms 8760 KB Output is correct
36 Correct 84 ms 8864 KB Output is correct
37 Correct 85 ms 8856 KB Output is correct
38 Correct 86 ms 8860 KB Output is correct
39 Correct 84 ms 8768 KB Output is correct
40 Correct 89 ms 8872 KB Output is correct
41 Correct 3 ms 7632 KB Output is correct
42 Correct 4 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 7628 KB Output is correct
46 Correct 6 ms 7628 KB Output is correct
47 Correct 18 ms 7908 KB Output is correct
48 Correct 18 ms 7908 KB Output is correct
49 Correct 31 ms 8012 KB Output is correct
50 Correct 61 ms 8396 KB Output is correct
51 Correct 93 ms 8860 KB Output is correct
52 Correct 112 ms 8924 KB Output is correct
53 Correct 96 ms 8856 KB Output is correct
54 Correct 88 ms 8864 KB Output is correct
55 Correct 88 ms 8824 KB Output is correct
56 Correct 96 ms 8864 KB Output is correct
57 Correct 86 ms 8860 KB Output is correct
58 Correct 96 ms 8772 KB Output is correct
59 Correct 89 ms 8776 KB Output is correct
60 Correct 87 ms 8792 KB Output is correct
61 Correct 89 ms 8848 KB Output is correct
62 Correct 97 ms 8864 KB Output is correct
63 Correct 99 ms 8824 KB Output is correct
64 Correct 87 ms 8808 KB Output is correct
65 Correct 88 ms 8860 KB Output is correct
66 Correct 86 ms 8860 KB Output is correct
67 Correct 93 ms 8780 KB Output is correct
68 Correct 89 ms 8968 KB Output is correct
69 Correct 90 ms 8860 KB Output is correct
70 Correct 90 ms 8756 KB Output is correct
71 Correct 18 ms 7884 KB Output is correct
72 Correct 18 ms 7884 KB Output is correct
73 Correct 20 ms 7908 KB Output is correct
74 Correct 23 ms 7908 KB Output is correct
75 Correct 21 ms 7884 KB Output is correct
76 Correct 38 ms 8040 KB Output is correct
77 Correct 36 ms 8012 KB Output is correct
78 Correct 35 ms 8012 KB Output is correct
79 Correct 33 ms 8092 KB Output is correct
80 Correct 34 ms 8012 KB Output is correct
81 Correct 63 ms 8516 KB Output is correct
82 Correct 75 ms 8504 KB Output is correct
83 Correct 82 ms 8492 KB Output is correct
84 Correct 65 ms 8524 KB Output is correct
85 Correct 64 ms 8512 KB Output is correct
86 Correct 67 ms 8452 KB Output is correct
87 Correct 65 ms 8548 KB Output is correct
88 Correct 66 ms 8560 KB Output is correct
89 Correct 71 ms 8556 KB Output is correct
90 Correct 77 ms 8532 KB Output is correct
91 Correct 100 ms 9212 KB Output is correct
92 Correct 98 ms 9252 KB Output is correct
93 Correct 94 ms 9156 KB Output is correct
94 Correct 95 ms 9248 KB Output is correct
95 Correct 121 ms 9252 KB Output is correct
96 Correct 97 ms 9640 KB Output is correct
97 Correct 96 ms 9648 KB Output is correct
98 Correct 93 ms 9636 KB Output is correct
99 Correct 95 ms 9640 KB Output is correct
100 Correct 115 ms 9608 KB Output is correct
101 Correct 103 ms 9640 KB Output is correct
102 Correct 95 ms 9640 KB Output is correct
103 Correct 96 ms 9556 KB Output is correct
104 Correct 94 ms 9640 KB Output is correct
105 Correct 104 ms 9676 KB Output is correct
106 Correct 121 ms 9772 KB Output is correct
107 Correct 89 ms 9764 KB Output is correct
108 Correct 89 ms 9836 KB Output is correct
109 Correct 91 ms 9844 KB Output is correct
110 Correct 98 ms 9832 KB Output is correct
111 Correct 98 ms 9840 KB Output is correct
112 Correct 91 ms 9772 KB Output is correct
113 Correct 90 ms 9840 KB Output is correct
114 Correct 89 ms 9804 KB Output is correct
115 Correct 108 ms 9912 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 4 ms 7628 KB Output is correct
2 Correct 5 ms 7628 KB Output is correct
3 Correct 3 ms 7628 KB Output is correct
4 Correct 3 ms 7628 KB Output is correct
5 Correct 5 ms 7628 KB Output is correct
6 Correct 3 ms 7628 KB Output is correct
7 Correct 3 ms 7724 KB Output is correct
8 Correct 3 ms 7628 KB Output is correct
9 Correct 3 ms 7644 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 33 ms 8084 KB Output is correct
15 Correct 63 ms 8472 KB Output is correct
16 Correct 104 ms 8856 KB Output is correct
17 Correct 90 ms 8864 KB Output is correct
18 Correct 88 ms 8780 KB Output is correct
19 Correct 83 ms 8856 KB Output is correct
20 Correct 84 ms 8856 KB Output is correct
21 Correct 83 ms 8780 KB Output is correct
22 Correct 87 ms 8896 KB Output is correct
23 Correct 82 ms 8780 KB Output is correct
24 Correct 87 ms 8856 KB Output is correct
25 Correct 82 ms 8780 KB Output is correct
26 Correct 3 ms 7628 KB Output is correct
27 Correct 5 ms 7628 KB Output is correct
28 Correct 6 ms 7756 KB Output is correct
29 Correct 33 ms 8080 KB Output is correct
30 Correct 66 ms 8468 KB Output is correct
31 Correct 102 ms 8780 KB Output is correct
32 Correct 83 ms 8860 KB Output is correct
33 Correct 92 ms 8748 KB Output is correct
34 Correct 88 ms 8780 KB Output is correct
35 Correct 95 ms 8760 KB Output is correct
36 Correct 84 ms 8864 KB Output is correct
37 Correct 85 ms 8856 KB Output is correct
38 Correct 86 ms 8860 KB Output is correct
39 Correct 84 ms 8768 KB Output is correct
40 Correct 89 ms 8872 KB Output is correct
41 Correct 3 ms 7632 KB Output is correct
42 Correct 4 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 7628 KB Output is correct
46 Correct 6 ms 7628 KB Output is correct
47 Correct 18 ms 7908 KB Output is correct
48 Correct 18 ms 7908 KB Output is correct
49 Correct 31 ms 8012 KB Output is correct
50 Correct 61 ms 8396 KB Output is correct
51 Correct 93 ms 8860 KB Output is correct
52 Correct 112 ms 8924 KB Output is correct
53 Correct 96 ms 8856 KB Output is correct
54 Correct 88 ms 8864 KB Output is correct
55 Correct 88 ms 8824 KB Output is correct
56 Correct 96 ms 8864 KB Output is correct
57 Correct 86 ms 8860 KB Output is correct
58 Correct 96 ms 8772 KB Output is correct
59 Correct 89 ms 8776 KB Output is correct
60 Correct 87 ms 8792 KB Output is correct
61 Correct 89 ms 8848 KB Output is correct
62 Correct 97 ms 8864 KB Output is correct
63 Correct 99 ms 8824 KB Output is correct
64 Correct 87 ms 8808 KB Output is correct
65 Correct 88 ms 8860 KB Output is correct
66 Correct 86 ms 8860 KB Output is correct
67 Correct 93 ms 8780 KB Output is correct
68 Correct 89 ms 8968 KB Output is correct
69 Correct 90 ms 8860 KB Output is correct
70 Correct 90 ms 8756 KB Output is correct
71 Correct 18 ms 7884 KB Output is correct
72 Correct 18 ms 7884 KB Output is correct
73 Correct 20 ms 7908 KB Output is correct
74 Correct 23 ms 7908 KB Output is correct
75 Correct 21 ms 7884 KB Output is correct
76 Correct 38 ms 8040 KB Output is correct
77 Correct 36 ms 8012 KB Output is correct
78 Correct 35 ms 8012 KB Output is correct
79 Correct 33 ms 8092 KB Output is correct
80 Correct 34 ms 8012 KB Output is correct
81 Correct 63 ms 8516 KB Output is correct
82 Correct 75 ms 8504 KB Output is correct
83 Correct 82 ms 8492 KB Output is correct
84 Correct 65 ms 8524 KB Output is correct
85 Correct 64 ms 8512 KB Output is correct
86 Correct 67 ms 8452 KB Output is correct
87 Correct 65 ms 8548 KB Output is correct
88 Correct 66 ms 8560 KB Output is correct
89 Correct 71 ms 8556 KB Output is correct
90 Correct 77 ms 8532 KB Output is correct
91 Correct 100 ms 9212 KB Output is correct
92 Correct 98 ms 9252 KB Output is correct
93 Correct 94 ms 9156 KB Output is correct
94 Correct 95 ms 9248 KB Output is correct
95 Correct 121 ms 9252 KB Output is correct
96 Correct 97 ms 9640 KB Output is correct
97 Correct 96 ms 9648 KB Output is correct
98 Correct 93 ms 9636 KB Output is correct
99 Correct 95 ms 9640 KB Output is correct
100 Correct 115 ms 9608 KB Output is correct
101 Correct 103 ms 9640 KB Output is correct
102 Correct 95 ms 9640 KB Output is correct
103 Correct 96 ms 9556 KB Output is correct
104 Correct 94 ms 9640 KB Output is correct
105 Correct 104 ms 9676 KB Output is correct
106 Correct 121 ms 9772 KB Output is correct
107 Correct 89 ms 9764 KB Output is correct
108 Correct 89 ms 9836 KB Output is correct
109 Correct 91 ms 9844 KB Output is correct
110 Correct 98 ms 9832 KB Output is correct
111 Correct 98 ms 9840 KB Output is correct
112 Correct 91 ms 9772 KB Output is correct
113 Correct 90 ms 9840 KB Output is correct
114 Correct 89 ms 9804 KB Output is correct
115 Correct 108 ms 9912 KB Output is correct
116 Correct 2089 ms 9552 KB Output is correct
117 Correct 2021 ms 9488 KB Output is correct
118 Correct 3120 ms 9776 KB Output is correct
119 Correct 3202 ms 9776 KB Output is correct
120 Correct 3283 ms 9772 KB Output is correct
121 Correct 6590 ms 9964 KB Output is correct
122 Correct 6957 ms 9976 KB Output is correct
123 Execution timed out 7094 ms 9776 KB Time limit exceeded
124 Halted 0 ms 0 KB -