답안 #646446

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
646446 2022-09-29T19:48:20 Z sofijavelkovska Diversity (CEOI21_diversity) C++14
64 / 100
7000 ms 8868 KB
#include <bits/stdc++.h>
using namespace std;

long long sqrtn;

bool queriessort(tuple<long long, long long, long long> x, tuple<long long, long long, long long> y)
{
    long long l1, r1, i1, l2, r2, i2;
    tie(l1, r1, i1)=x;
    tie(l2, r2, i2)=y;
    if (l1/sqrtn==l2/sqrtn)
        return r1<r2;

    return (l1/sqrtn<l2/sqrtn);
}

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    long long n, q, i;
    cin >> n >> q;
    long long a[n];
    tuple<long long, long long, long long> queries[q];
    sqrtn=sqrt(n);
    for (i=0; i<n; i++)
        cin >> a[i];
    for (i=0; i<q; i++)
    {
        long long l, r;
        cin >> l >> r;
        queries[i]={l-1, r-1, i};
    }
    sort(queries, queries+q, queriessort);
    long long frequency[300001]={0}, compressed[n+1]={0};
    long long x=0, y=0;
    set<long long> nonzero;
    frequency[a[0]]=1;
    compressed[1]=1;
    nonzero.insert(1);
    long long answer[q];
    for (i=0; i<q; i++)
    {
        long long lt, rt, index;
        tie(lt, rt, index)=queries[i];
        if (i!=0 && lt/sqrtn>get<0>(queries[i-1])/sqrtn)
        {
            x=lt-lt%sqrtn;
            y=lt-lt%sqrtn;
            for (int j=0; j<=300000; j++)
                frequency[j]=0;
            for (int j=0; j<=n; j++)
                compressed[j]=0;
            nonzero.clear();
            frequency[a[x]]=1;
            compressed[1]=1;
            nonzero.insert(1);
        }
        while (lt>x)
        {
            compressed[frequency[a[x]]]=compressed[frequency[a[x]]]-1;
            if (compressed[frequency[a[x]]]==0)
                nonzero.erase(frequency[a[x]]);
            frequency[a[x]]=frequency[a[x]]-1;
            compressed[frequency[a[x]]]=compressed[frequency[a[x]]]+1;
            if (compressed[frequency[a[x]]]==1)
                nonzero.insert(frequency[a[x]]);
            x=x+1;
        }
        while (lt<x)
        {
            x=x-1;
            compressed[frequency[a[x]]]=compressed[frequency[a[x]]]-1;
            if (compressed[frequency[a[x]]]==0)
                nonzero.erase(frequency[a[x]]);
            frequency[a[x]]=frequency[a[x]]+1;
            compressed[frequency[a[x]]]=compressed[frequency[a[x]]]+1;
            if (compressed[frequency[a[x]]]==1)
                nonzero.insert(frequency[a[x]]);
        }
        while (rt>y)
        {
            y=y+1;
            compressed[frequency[a[y]]]=compressed[frequency[a[y]]]-1;
            if (compressed[frequency[a[y]]]==0)
                nonzero.erase(frequency[a[y]]);
            frequency[a[y]]=frequency[a[y]]+1;
            compressed[frequency[a[y]]]=compressed[frequency[a[y]]]+1;
            if (compressed[frequency[a[y]]]==1)
                nonzero.insert(frequency[a[y]]);
        }
        while (rt<y)
        {
            compressed[frequency[a[y]]]=compressed[frequency[a[y]]]-1;
            if (compressed[frequency[a[x]]]==0)
                nonzero.erase(frequency[a[x]]);
            frequency[a[y]]=frequency[a[y]]-1;
            compressed[frequency[a[y]]]=compressed[frequency[a[y]]]+1;
            if (compressed[frequency[a[y]]]==1)
                nonzero.insert(frequency[a[y]]);
            y=y-1;
        }
        long long l=0;
        long long r=0;
        bool odd=false;
        long long nc=y-x+1;
        nonzero.erase(0);
        long long kc=0;
        for (auto xc : nonzero)
            kc=kc+compressed[xc];
        long long s=kc*nc*(nc+1)-nc*(kc-1);
        for (auto xc : nonzero)
        {
            long long n1, n2;
            if (compressed[xc]%2==1)
            {
                if (odd)
                {
                   n1=compressed[xc]/2;
                   n2=(compressed[xc]+1)/2;
                   odd=false;
                }
                else
                {
                    n1=(compressed[xc]+1)/2;
                    n2=compressed[xc]/2;
                    odd=true;
                }
            }
            else
            {
                n1=compressed[xc]/2;
                n2=compressed[xc]/2;
            }
            s=s-(n1*l*l+xc*xc*((n1-1)*n1*(2*(n1-1)+1)/6)+2*xc*l*((n1-1)*n1/2));
            s=s-(n1*(nc-l-xc)*(nc-l-xc)+xc*xc*((n1-1)*n1*(2*(n1-1)+1)/6)-2*xc*(nc-l-xc)*((n1-1)*n1/2));
            s=s-(n2*r*r+xc*xc*((n2-1)*n2*(2*(n2-1)+1)/6)+2*xc*r*((n2-1)*n2/2));
            s=s-(n2*(nc-r-xc)*(nc-r-xc)+xc*xc*((n2-1)*n2*(2*(n2-1)+1)/6)-2*xc*(nc-r-xc)*((n2-1)*n2/2));
            l=l+n1*xc;
            r=r+n2*xc;
        }
        s=s/2;
        answer[index]=s;
    }
    for (i=0; i<q; i++)
        cout << answer[i] << '\n';

    return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 1 ms 2644 KB Output is correct
3 Correct 1 ms 2644 KB Output is correct
4 Correct 1 ms 2644 KB Output is correct
5 Correct 1 ms 2644 KB Output is correct
6 Correct 1 ms 2644 KB Output is correct
7 Correct 1 ms 2644 KB Output is correct
8 Correct 1 ms 2644 KB Output is correct
9 Correct 1 ms 2644 KB Output is correct
10 Correct 1 ms 2644 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 1 ms 2644 KB Output is correct
3 Correct 3 ms 2772 KB Output is correct
4 Correct 15 ms 4220 KB Output is correct
5 Correct 28 ms 5792 KB Output is correct
6 Correct 53 ms 7252 KB Output is correct
7 Correct 38 ms 7340 KB Output is correct
8 Correct 44 ms 7340 KB Output is correct
9 Correct 44 ms 7316 KB Output is correct
10 Correct 42 ms 7312 KB Output is correct
11 Correct 46 ms 7344 KB Output is correct
12 Correct 46 ms 7344 KB Output is correct
13 Correct 44 ms 7252 KB Output is correct
14 Correct 55 ms 7340 KB Output is correct
15 Correct 45 ms 7316 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 1 ms 2644 KB Output is correct
3 Correct 3 ms 2772 KB Output is correct
4 Correct 15 ms 4220 KB Output is correct
5 Correct 28 ms 5792 KB Output is correct
6 Correct 53 ms 7252 KB Output is correct
7 Correct 38 ms 7340 KB Output is correct
8 Correct 44 ms 7340 KB Output is correct
9 Correct 44 ms 7316 KB Output is correct
10 Correct 42 ms 7312 KB Output is correct
11 Correct 46 ms 7344 KB Output is correct
12 Correct 46 ms 7344 KB Output is correct
13 Correct 44 ms 7252 KB Output is correct
14 Correct 55 ms 7340 KB Output is correct
15 Correct 45 ms 7316 KB Output is correct
16 Correct 2 ms 2644 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 3 ms 2772 KB Output is correct
19 Correct 17 ms 4216 KB Output is correct
20 Correct 37 ms 5776 KB Output is correct
21 Correct 54 ms 7340 KB Output is correct
22 Correct 48 ms 7336 KB Output is correct
23 Correct 47 ms 7252 KB Output is correct
24 Correct 49 ms 7356 KB Output is correct
25 Correct 53 ms 7336 KB Output is correct
26 Correct 49 ms 7344 KB Output is correct
27 Correct 48 ms 7312 KB Output is correct
28 Correct 47 ms 7336 KB Output is correct
29 Correct 48 ms 7252 KB Output is correct
30 Correct 50 ms 7340 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 1 ms 2644 KB Output is correct
3 Correct 3 ms 2772 KB Output is correct
4 Correct 15 ms 4220 KB Output is correct
5 Correct 28 ms 5792 KB Output is correct
6 Correct 53 ms 7252 KB Output is correct
7 Correct 38 ms 7340 KB Output is correct
8 Correct 44 ms 7340 KB Output is correct
9 Correct 44 ms 7316 KB Output is correct
10 Correct 42 ms 7312 KB Output is correct
11 Correct 46 ms 7344 KB Output is correct
12 Correct 46 ms 7344 KB Output is correct
13 Correct 44 ms 7252 KB Output is correct
14 Correct 55 ms 7340 KB Output is correct
15 Correct 45 ms 7316 KB Output is correct
16 Correct 2 ms 2644 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 3 ms 2772 KB Output is correct
19 Correct 17 ms 4216 KB Output is correct
20 Correct 37 ms 5776 KB Output is correct
21 Correct 54 ms 7340 KB Output is correct
22 Correct 48 ms 7336 KB Output is correct
23 Correct 47 ms 7252 KB Output is correct
24 Correct 49 ms 7356 KB Output is correct
25 Correct 53 ms 7336 KB Output is correct
26 Correct 49 ms 7344 KB Output is correct
27 Correct 48 ms 7312 KB Output is correct
28 Correct 47 ms 7336 KB Output is correct
29 Correct 48 ms 7252 KB Output is correct
30 Correct 50 ms 7340 KB Output is correct
31 Correct 2 ms 2644 KB Output is correct
32 Correct 1 ms 2644 KB Output is correct
33 Correct 1 ms 2644 KB Output is correct
34 Correct 3 ms 2772 KB Output is correct
35 Correct 2 ms 2772 KB Output is correct
36 Correct 2 ms 2772 KB Output is correct
37 Correct 8 ms 3460 KB Output is correct
38 Correct 6 ms 3412 KB Output is correct
39 Correct 11 ms 4232 KB Output is correct
40 Correct 24 ms 5764 KB Output is correct
41 Correct 50 ms 7372 KB Output is correct
42 Correct 38 ms 7316 KB Output is correct
43 Correct 40 ms 7380 KB Output is correct
44 Correct 41 ms 7320 KB Output is correct
45 Correct 38 ms 7368 KB Output is correct
46 Correct 38 ms 7252 KB Output is correct
47 Correct 38 ms 7364 KB Output is correct
48 Correct 43 ms 7308 KB Output is correct
49 Correct 40 ms 7372 KB Output is correct
50 Correct 41 ms 7308 KB Output is correct
51 Correct 38 ms 7316 KB Output is correct
52 Correct 38 ms 7264 KB Output is correct
53 Correct 38 ms 7364 KB Output is correct
54 Correct 39 ms 7252 KB Output is correct
55 Correct 41 ms 7360 KB Output is correct
56 Correct 44 ms 7312 KB Output is correct
57 Correct 38 ms 7308 KB Output is correct
58 Correct 39 ms 7380 KB Output is correct
59 Correct 39 ms 7360 KB Output is correct
60 Correct 39 ms 7312 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 1 ms 2644 KB Output is correct
3 Correct 1 ms 2644 KB Output is correct
4 Correct 1 ms 2644 KB Output is correct
5 Correct 1 ms 2644 KB Output is correct
6 Correct 1 ms 2644 KB Output is correct
7 Correct 1 ms 2644 KB Output is correct
8 Correct 1 ms 2644 KB Output is correct
9 Correct 1 ms 2644 KB Output is correct
10 Correct 1 ms 2644 KB Output is correct
11 Correct 1 ms 2644 KB Output is correct
12 Correct 1 ms 2644 KB Output is correct
13 Correct 3 ms 2772 KB Output is correct
14 Correct 15 ms 4220 KB Output is correct
15 Correct 28 ms 5792 KB Output is correct
16 Correct 53 ms 7252 KB Output is correct
17 Correct 38 ms 7340 KB Output is correct
18 Correct 44 ms 7340 KB Output is correct
19 Correct 44 ms 7316 KB Output is correct
20 Correct 42 ms 7312 KB Output is correct
21 Correct 46 ms 7344 KB Output is correct
22 Correct 46 ms 7344 KB Output is correct
23 Correct 44 ms 7252 KB Output is correct
24 Correct 55 ms 7340 KB Output is correct
25 Correct 45 ms 7316 KB Output is correct
26 Correct 2 ms 2644 KB Output is correct
27 Correct 2 ms 2644 KB Output is correct
28 Correct 3 ms 2772 KB Output is correct
29 Correct 17 ms 4216 KB Output is correct
30 Correct 37 ms 5776 KB Output is correct
31 Correct 54 ms 7340 KB Output is correct
32 Correct 48 ms 7336 KB Output is correct
33 Correct 47 ms 7252 KB Output is correct
34 Correct 49 ms 7356 KB Output is correct
35 Correct 53 ms 7336 KB Output is correct
36 Correct 49 ms 7344 KB Output is correct
37 Correct 48 ms 7312 KB Output is correct
38 Correct 47 ms 7336 KB Output is correct
39 Correct 48 ms 7252 KB Output is correct
40 Correct 50 ms 7340 KB Output is correct
41 Correct 2 ms 2644 KB Output is correct
42 Correct 1 ms 2644 KB Output is correct
43 Correct 1 ms 2644 KB Output is correct
44 Correct 3 ms 2772 KB Output is correct
45 Correct 2 ms 2772 KB Output is correct
46 Correct 2 ms 2772 KB Output is correct
47 Correct 8 ms 3460 KB Output is correct
48 Correct 6 ms 3412 KB Output is correct
49 Correct 11 ms 4232 KB Output is correct
50 Correct 24 ms 5764 KB Output is correct
51 Correct 50 ms 7372 KB Output is correct
52 Correct 38 ms 7316 KB Output is correct
53 Correct 40 ms 7380 KB Output is correct
54 Correct 41 ms 7320 KB Output is correct
55 Correct 38 ms 7368 KB Output is correct
56 Correct 38 ms 7252 KB Output is correct
57 Correct 38 ms 7364 KB Output is correct
58 Correct 43 ms 7308 KB Output is correct
59 Correct 40 ms 7372 KB Output is correct
60 Correct 41 ms 7308 KB Output is correct
61 Correct 38 ms 7316 KB Output is correct
62 Correct 38 ms 7264 KB Output is correct
63 Correct 38 ms 7364 KB Output is correct
64 Correct 39 ms 7252 KB Output is correct
65 Correct 41 ms 7360 KB Output is correct
66 Correct 44 ms 7312 KB Output is correct
67 Correct 38 ms 7308 KB Output is correct
68 Correct 39 ms 7380 KB Output is correct
69 Correct 39 ms 7360 KB Output is correct
70 Correct 39 ms 7312 KB Output is correct
71 Correct 9 ms 3412 KB Output is correct
72 Correct 6 ms 3412 KB Output is correct
73 Correct 6 ms 3412 KB Output is correct
74 Correct 5 ms 3412 KB Output is correct
75 Correct 6 ms 3452 KB Output is correct
76 Correct 9 ms 4180 KB Output is correct
77 Correct 9 ms 4216 KB Output is correct
78 Correct 9 ms 4208 KB Output is correct
79 Correct 9 ms 4180 KB Output is correct
80 Correct 9 ms 4180 KB Output is correct
81 Correct 16 ms 5716 KB Output is correct
82 Correct 17 ms 5680 KB Output is correct
83 Correct 17 ms 5716 KB Output is correct
84 Correct 17 ms 5768 KB Output is correct
85 Correct 17 ms 5716 KB Output is correct
86 Correct 19 ms 5768 KB Output is correct
87 Correct 25 ms 5744 KB Output is correct
88 Correct 18 ms 5768 KB Output is correct
89 Correct 19 ms 5744 KB Output is correct
90 Correct 18 ms 5716 KB Output is correct
91 Correct 27 ms 7360 KB Output is correct
92 Correct 30 ms 7308 KB Output is correct
93 Correct 30 ms 7320 KB Output is correct
94 Correct 27 ms 7312 KB Output is correct
95 Correct 27 ms 7312 KB Output is correct
96 Correct 32 ms 7304 KB Output is correct
97 Correct 34 ms 7340 KB Output is correct
98 Correct 31 ms 7316 KB Output is correct
99 Correct 32 ms 7252 KB Output is correct
100 Correct 30 ms 7312 KB Output is correct
101 Correct 30 ms 7252 KB Output is correct
102 Correct 32 ms 7304 KB Output is correct
103 Correct 35 ms 7244 KB Output is correct
104 Correct 36 ms 7252 KB Output is correct
105 Correct 30 ms 7324 KB Output is correct
106 Correct 30 ms 7244 KB Output is correct
107 Correct 30 ms 7312 KB Output is correct
108 Correct 31 ms 7320 KB Output is correct
109 Correct 30 ms 7312 KB Output is correct
110 Correct 30 ms 7312 KB Output is correct
111 Correct 38 ms 7344 KB Output is correct
112 Correct 30 ms 7252 KB Output is correct
113 Correct 33 ms 7316 KB Output is correct
114 Correct 35 ms 7244 KB Output is correct
115 Correct 31 ms 7312 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 1 ms 2644 KB Output is correct
3 Correct 1 ms 2644 KB Output is correct
4 Correct 1 ms 2644 KB Output is correct
5 Correct 1 ms 2644 KB Output is correct
6 Correct 1 ms 2644 KB Output is correct
7 Correct 1 ms 2644 KB Output is correct
8 Correct 1 ms 2644 KB Output is correct
9 Correct 1 ms 2644 KB Output is correct
10 Correct 1 ms 2644 KB Output is correct
11 Correct 1 ms 2644 KB Output is correct
12 Correct 1 ms 2644 KB Output is correct
13 Correct 3 ms 2772 KB Output is correct
14 Correct 15 ms 4220 KB Output is correct
15 Correct 28 ms 5792 KB Output is correct
16 Correct 53 ms 7252 KB Output is correct
17 Correct 38 ms 7340 KB Output is correct
18 Correct 44 ms 7340 KB Output is correct
19 Correct 44 ms 7316 KB Output is correct
20 Correct 42 ms 7312 KB Output is correct
21 Correct 46 ms 7344 KB Output is correct
22 Correct 46 ms 7344 KB Output is correct
23 Correct 44 ms 7252 KB Output is correct
24 Correct 55 ms 7340 KB Output is correct
25 Correct 45 ms 7316 KB Output is correct
26 Correct 2 ms 2644 KB Output is correct
27 Correct 2 ms 2644 KB Output is correct
28 Correct 3 ms 2772 KB Output is correct
29 Correct 17 ms 4216 KB Output is correct
30 Correct 37 ms 5776 KB Output is correct
31 Correct 54 ms 7340 KB Output is correct
32 Correct 48 ms 7336 KB Output is correct
33 Correct 47 ms 7252 KB Output is correct
34 Correct 49 ms 7356 KB Output is correct
35 Correct 53 ms 7336 KB Output is correct
36 Correct 49 ms 7344 KB Output is correct
37 Correct 48 ms 7312 KB Output is correct
38 Correct 47 ms 7336 KB Output is correct
39 Correct 48 ms 7252 KB Output is correct
40 Correct 50 ms 7340 KB Output is correct
41 Correct 2 ms 2644 KB Output is correct
42 Correct 1 ms 2644 KB Output is correct
43 Correct 1 ms 2644 KB Output is correct
44 Correct 3 ms 2772 KB Output is correct
45 Correct 2 ms 2772 KB Output is correct
46 Correct 2 ms 2772 KB Output is correct
47 Correct 8 ms 3460 KB Output is correct
48 Correct 6 ms 3412 KB Output is correct
49 Correct 11 ms 4232 KB Output is correct
50 Correct 24 ms 5764 KB Output is correct
51 Correct 50 ms 7372 KB Output is correct
52 Correct 38 ms 7316 KB Output is correct
53 Correct 40 ms 7380 KB Output is correct
54 Correct 41 ms 7320 KB Output is correct
55 Correct 38 ms 7368 KB Output is correct
56 Correct 38 ms 7252 KB Output is correct
57 Correct 38 ms 7364 KB Output is correct
58 Correct 43 ms 7308 KB Output is correct
59 Correct 40 ms 7372 KB Output is correct
60 Correct 41 ms 7308 KB Output is correct
61 Correct 38 ms 7316 KB Output is correct
62 Correct 38 ms 7264 KB Output is correct
63 Correct 38 ms 7364 KB Output is correct
64 Correct 39 ms 7252 KB Output is correct
65 Correct 41 ms 7360 KB Output is correct
66 Correct 44 ms 7312 KB Output is correct
67 Correct 38 ms 7308 KB Output is correct
68 Correct 39 ms 7380 KB Output is correct
69 Correct 39 ms 7360 KB Output is correct
70 Correct 39 ms 7312 KB Output is correct
71 Correct 9 ms 3412 KB Output is correct
72 Correct 6 ms 3412 KB Output is correct
73 Correct 6 ms 3412 KB Output is correct
74 Correct 5 ms 3412 KB Output is correct
75 Correct 6 ms 3452 KB Output is correct
76 Correct 9 ms 4180 KB Output is correct
77 Correct 9 ms 4216 KB Output is correct
78 Correct 9 ms 4208 KB Output is correct
79 Correct 9 ms 4180 KB Output is correct
80 Correct 9 ms 4180 KB Output is correct
81 Correct 16 ms 5716 KB Output is correct
82 Correct 17 ms 5680 KB Output is correct
83 Correct 17 ms 5716 KB Output is correct
84 Correct 17 ms 5768 KB Output is correct
85 Correct 17 ms 5716 KB Output is correct
86 Correct 19 ms 5768 KB Output is correct
87 Correct 25 ms 5744 KB Output is correct
88 Correct 18 ms 5768 KB Output is correct
89 Correct 19 ms 5744 KB Output is correct
90 Correct 18 ms 5716 KB Output is correct
91 Correct 27 ms 7360 KB Output is correct
92 Correct 30 ms 7308 KB Output is correct
93 Correct 30 ms 7320 KB Output is correct
94 Correct 27 ms 7312 KB Output is correct
95 Correct 27 ms 7312 KB Output is correct
96 Correct 32 ms 7304 KB Output is correct
97 Correct 34 ms 7340 KB Output is correct
98 Correct 31 ms 7316 KB Output is correct
99 Correct 32 ms 7252 KB Output is correct
100 Correct 30 ms 7312 KB Output is correct
101 Correct 30 ms 7252 KB Output is correct
102 Correct 32 ms 7304 KB Output is correct
103 Correct 35 ms 7244 KB Output is correct
104 Correct 36 ms 7252 KB Output is correct
105 Correct 30 ms 7324 KB Output is correct
106 Correct 30 ms 7244 KB Output is correct
107 Correct 30 ms 7312 KB Output is correct
108 Correct 31 ms 7320 KB Output is correct
109 Correct 30 ms 7312 KB Output is correct
110 Correct 30 ms 7312 KB Output is correct
111 Correct 38 ms 7344 KB Output is correct
112 Correct 30 ms 7252 KB Output is correct
113 Correct 33 ms 7316 KB Output is correct
114 Correct 35 ms 7244 KB Output is correct
115 Correct 31 ms 7312 KB Output is correct
116 Correct 306 ms 4756 KB Output is correct
117 Correct 261 ms 4808 KB Output is correct
118 Correct 1152 ms 5580 KB Output is correct
119 Correct 524 ms 5528 KB Output is correct
120 Correct 311 ms 5580 KB Output is correct
121 Correct 821 ms 6300 KB Output is correct
122 Correct 482 ms 6296 KB Output is correct
123 Correct 2604 ms 8000 KB Output is correct
124 Correct 801 ms 8076 KB Output is correct
125 Correct 587 ms 7988 KB Output is correct
126 Execution timed out 7029 ms 8868 KB Time limit exceeded
127 Halted 0 ms 0 KB -