Submission #972767

# Submission time Handle Problem Language Result Execution time Memory
972767 2024-05-01T06:53:18 Z sleepntsheep Rainforest Jumps (APIO21_jumps) C++17
37 / 100
4000 ms 17588 KB
#include "jumps.h"

#include <vector>
#include <algorithm>

int subtask = -1;

#define MAX_N 200000
#define MAX_M (2*MAX_N)

int N, head[MAX_N], nxt[MAX_M], vv[MAX_M], timer, indeg[MAX_N], ng[MAX_N], pg[MAX_N], HI[MAX_N], H[MAX_N], high[MAX_N], low[MAX_N];

int dd[MAX_N], pp[MAX_N], jj[MAX_N], dd_[MAX_N], pp_[MAX_N], jj_[MAX_N];

void link(int u, int v)
{
    static int i = 1;
    nxt[i] = head[u];
    vv[i] = v;
    head[u] = i++;
    ++indeg[v];
}


void init(int N, std::vector<int> H) {
    ::N = N;
    if (N <= 200) subtask = 2;
    else if (N <= 2000) subtask = 3;
    int flag = 1;
    for (int i = 1; i < N; ++i) if (H[i] != H[i-1] + 1) flag = 0;
    if(flag) subtask = 1;

    static int stk[MAX_N], so;
    so = 0;
    for (int i = 0; i < N; stk[so++] = i++) while (so && H[stk[so-1]] < H[i]) ng[stk[so-1]]=i, link(stk[--so], i);
    while(so)ng[stk[--so]]=N;
    for (int i = N - 1; i >= 0; stk[so++] = i--) while (so && H[stk[so-1]] < H[i]) pg[stk[so-1]]=i, link(stk[--so], i);
    while(so)pg[stk[--so]]=-1;

    for (int i = 0; i < N; ++i) HI[::H[i]=H[i]-1] = i;

    for (int j = N; j--;)
    {
        int i = HI[j];
        int high = (pg[i] == -1) ? ng[i] : (ng[i] == -1 ? pg[i] : (H[ng[i]] > H[pg[i]] ? ng[i] : pg[i]));
        if (high != -1)
        {
            dd[i] = dd[high] + 1;
            pp[i] = high;
            jj[i] = dd[high] - dd[jj[high]] == dd[jj[high]] - dd[jj[jj[high]]] ? jj[jj[high]] : high;
        }
        else
            pp[i] = jj[i] = i;
        ::high[i] = high;
        ::low[i] = pg[i] + ng[i] - ::high[i];
        int low = ::low[i];
        if (low != -1)
        {
            dd_[i] = dd_[low] + 1;
            pp_[i] = low;
            jj_[i] = dd_[low] - dd_[jj_[low]] == dd_[jj_[low]] - dd_[jj_[jj_[low]]] ? jj_[jj_[low]] : low;
        }
        else
            pp_[i] = jj_[i] = i;
    }

    if (subtask == -1) subtask = 4;
}

int Q_COUNTER = 0;

int minimum_jumps(int A, int B, int C, int D) {
    ++Q_COUNTER;

    if (subtask == 1) return (A>D)?-1:(B>=C?0:C-B);

    if (subtask == 4 && Q_COUNTER > 5) subtask = 5;

    if(subtask <= 4)
    {
        int dd[MAX_N], qu[MAX_N], qh=0, qt=0,z=1e9;
        for(int j=0;j<N;++j)dd[j]=1e9;
        for (int i = A; i <= B; ++i) dd[qu[qh++]=i]=0;
        while(qh-qt) for(int u=qu[qt++],j=head[u];j;j=nxt[j]) if(dd[vv[j]]>dd[u]+1)dd[vv[j]]=dd[u]+1,qu[qh++]=vv[j];
        for (int j = C; j <= D; ++j)if(dd[j]!=1e9&&dd[j]<z)z=dd[j];
        return(z<1e9?z:-1);
    }

    if (subtask == 5)
    {
        int u = A, z = 0;
        for(;pp[u]!=u;)
        {
            if (H[jj[u]]<=H[C])u=jj[u];
            else if(H[pp[u]]<=H[C])u=pp[u];
            else break;
        }
        z=dd[A]-dd[u];
        int u1=u;
        for(;pp_[u]!=u;)
        {
            if(H[jj_[u]]<=H[C])u=jj_[u];
            else if(H[pp_[u]]<=H[C])u=pp_[u];
            else return -1;
        }
        z+=dd_[u1]-dd_[u];
        return z;
    }

    return -1;
}

# Verdict Execution time Memory Grader output
1 Correct 3 ms 8024 KB Output is correct
2 Correct 2 ms 8024 KB Output is correct
3 Correct 118 ms 14120 KB Output is correct
4 Correct 1109 ms 15776 KB Output is correct
5 Correct 957 ms 11980 KB Output is correct
6 Correct 1130 ms 15532 KB Output is correct
7 Correct 825 ms 13236 KB Output is correct
8 Correct 1140 ms 15532 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 8024 KB Output is correct
2 Correct 2 ms 8024 KB Output is correct
3 Correct 2 ms 8024 KB Output is correct
4 Correct 2 ms 8112 KB Output is correct
5 Correct 3 ms 8024 KB Output is correct
6 Correct 5 ms 8024 KB Output is correct
7 Correct 3 ms 8024 KB Output is correct
8 Correct 3 ms 8024 KB Output is correct
9 Correct 2 ms 8024 KB Output is correct
10 Correct 3 ms 8024 KB Output is correct
11 Correct 4 ms 8024 KB Output is correct
12 Correct 4 ms 8024 KB Output is correct
13 Correct 4 ms 8024 KB Output is correct
14 Correct 3 ms 8024 KB Output is correct
15 Correct 3 ms 8024 KB Output is correct
16 Correct 3 ms 8024 KB Output is correct
17 Correct 3 ms 8024 KB Output is correct
18 Correct 2 ms 8024 KB Output is correct
19 Correct 2 ms 8024 KB Output is correct
20 Correct 5 ms 8024 KB Output is correct
21 Correct 3 ms 8024 KB Output is correct
22 Correct 4 ms 8024 KB Output is correct
23 Correct 3 ms 8024 KB Output is correct
24 Correct 3 ms 8024 KB Output is correct
25 Correct 2 ms 8024 KB Output is correct
26 Correct 2 ms 8024 KB Output is correct
27 Correct 3 ms 8024 KB Output is correct
28 Correct 3 ms 8024 KB Output is correct
29 Correct 3 ms 8024 KB Output is correct
30 Correct 4 ms 8024 KB Output is correct
31 Correct 3 ms 8024 KB Output is correct
32 Correct 3 ms 8024 KB Output is correct
33 Correct 2 ms 8024 KB Output is correct
34 Correct 2 ms 8024 KB Output is correct
35 Correct 2 ms 8024 KB Output is correct
36 Correct 2 ms 8196 KB Output is correct
37 Correct 2 ms 8024 KB Output is correct
38 Correct 2 ms 8024 KB Output is correct
39 Correct 2 ms 8024 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 8024 KB Output is correct
2 Correct 2 ms 8024 KB Output is correct
3 Correct 2 ms 8024 KB Output is correct
4 Correct 2 ms 8112 KB Output is correct
5 Correct 3 ms 8024 KB Output is correct
6 Correct 5 ms 8024 KB Output is correct
7 Correct 3 ms 8024 KB Output is correct
8 Correct 3 ms 8024 KB Output is correct
9 Correct 2 ms 8024 KB Output is correct
10 Correct 3 ms 8024 KB Output is correct
11 Correct 4 ms 8024 KB Output is correct
12 Correct 4 ms 8024 KB Output is correct
13 Correct 4 ms 8024 KB Output is correct
14 Correct 3 ms 8024 KB Output is correct
15 Correct 3 ms 8024 KB Output is correct
16 Correct 3 ms 8024 KB Output is correct
17 Correct 3 ms 8024 KB Output is correct
18 Correct 2 ms 8024 KB Output is correct
19 Correct 2 ms 8024 KB Output is correct
20 Correct 5 ms 8024 KB Output is correct
21 Correct 3 ms 8024 KB Output is correct
22 Correct 4 ms 8024 KB Output is correct
23 Correct 3 ms 8024 KB Output is correct
24 Correct 3 ms 8024 KB Output is correct
25 Correct 2 ms 8024 KB Output is correct
26 Correct 2 ms 8024 KB Output is correct
27 Correct 3 ms 8024 KB Output is correct
28 Correct 3 ms 8024 KB Output is correct
29 Correct 3 ms 8024 KB Output is correct
30 Correct 4 ms 8024 KB Output is correct
31 Correct 3 ms 8024 KB Output is correct
32 Correct 3 ms 8024 KB Output is correct
33 Correct 2 ms 8024 KB Output is correct
34 Correct 2 ms 8024 KB Output is correct
35 Correct 2 ms 8024 KB Output is correct
36 Correct 2 ms 8196 KB Output is correct
37 Correct 2 ms 8024 KB Output is correct
38 Correct 2 ms 8024 KB Output is correct
39 Correct 2 ms 8024 KB Output is correct
40 Correct 2 ms 8024 KB Output is correct
41 Correct 1 ms 8024 KB Output is correct
42 Correct 2 ms 7952 KB Output is correct
43 Correct 1 ms 8024 KB Output is correct
44 Correct 3 ms 8024 KB Output is correct
45 Correct 3 ms 8024 KB Output is correct
46 Correct 3 ms 8024 KB Output is correct
47 Correct 3 ms 7992 KB Output is correct
48 Correct 2 ms 8108 KB Output is correct
49 Correct 3 ms 8024 KB Output is correct
50 Correct 3 ms 8024 KB Output is correct
51 Correct 4 ms 8024 KB Output is correct
52 Correct 3 ms 8056 KB Output is correct
53 Correct 3 ms 8024 KB Output is correct
54 Correct 4 ms 8024 KB Output is correct
55 Correct 4 ms 8024 KB Output is correct
56 Correct 3 ms 8024 KB Output is correct
57 Correct 2 ms 8024 KB Output is correct
58 Correct 15 ms 8164 KB Output is correct
59 Correct 21 ms 8280 KB Output is correct
60 Correct 6 ms 8076 KB Output is correct
61 Correct 29 ms 8280 KB Output is correct
62 Correct 12 ms 8024 KB Output is correct
63 Correct 24 ms 8280 KB Output is correct
64 Correct 23 ms 8276 KB Output is correct
65 Correct 33 ms 8024 KB Output is correct
66 Correct 37 ms 8280 KB Output is correct
67 Correct 22 ms 8280 KB Output is correct
68 Correct 29 ms 8280 KB Output is correct
69 Correct 36 ms 8280 KB Output is correct
70 Correct 31 ms 8280 KB Output is correct
71 Correct 2 ms 8024 KB Output is correct
72 Correct 2 ms 8024 KB Output is correct
73 Correct 4 ms 8024 KB Output is correct
74 Correct 3 ms 8024 KB Output is correct
75 Correct 4 ms 8024 KB Output is correct
76 Correct 3 ms 8024 KB Output is correct
77 Correct 3 ms 8024 KB Output is correct
78 Correct 2 ms 8024 KB Output is correct
79 Correct 2 ms 8024 KB Output is correct
80 Correct 3 ms 8024 KB Output is correct
81 Correct 4 ms 8024 KB Output is correct
82 Correct 3 ms 8024 KB Output is correct
83 Correct 3 ms 8024 KB Output is correct
84 Correct 3 ms 8116 KB Output is correct
85 Correct 3 ms 8024 KB Output is correct
86 Correct 2 ms 8024 KB Output is correct
87 Correct 2 ms 8024 KB Output is correct
88 Correct 2 ms 8024 KB Output is correct
89 Correct 2 ms 8024 KB Output is correct
90 Correct 2 ms 8116 KB Output is correct
91 Correct 2 ms 8024 KB Output is correct
92 Correct 2 ms 8024 KB Output is correct
93 Correct 2 ms 8024 KB Output is correct
94 Correct 6 ms 8024 KB Output is correct
95 Correct 28 ms 8280 KB Output is correct
96 Correct 31 ms 8280 KB Output is correct
97 Correct 26 ms 8280 KB Output is correct
98 Correct 27 ms 8280 KB Output is correct
99 Correct 29 ms 8280 KB Output is correct
100 Correct 2 ms 8024 KB Output is correct
101 Correct 2 ms 8024 KB Output is correct
102 Correct 30 ms 8280 KB Output is correct
103 Correct 31 ms 8280 KB Output is correct
104 Correct 20 ms 8280 KB Output is correct
105 Correct 29 ms 8280 KB Output is correct
106 Correct 31 ms 8532 KB Output is correct
107 Correct 2 ms 8024 KB Output is correct
108 Correct 2 ms 8276 KB Output is correct
109 Correct 2 ms 8280 KB Output is correct
110 Correct 2 ms 8280 KB Output is correct
111 Correct 2 ms 8280 KB Output is correct
112 Correct 2 ms 8280 KB Output is correct
113 Correct 2 ms 8280 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 8024 KB Output is correct
2 Correct 2 ms 8024 KB Output is correct
3 Correct 2 ms 8024 KB Output is correct
4 Correct 2 ms 8024 KB Output is correct
5 Correct 28 ms 14916 KB Output is correct
6 Correct 35 ms 16804 KB Output is correct
7 Correct 17 ms 12472 KB Output is correct
8 Correct 35 ms 16808 KB Output is correct
9 Correct 6 ms 9560 KB Output is correct
10 Correct 34 ms 16820 KB Output is correct
11 Correct 21 ms 15536 KB Output is correct
12 Correct 27 ms 16280 KB Output is correct
13 Correct 25 ms 15800 KB Output is correct
14 Correct 29 ms 16792 KB Output is correct
15 Correct 28 ms 17076 KB Output is correct
16 Correct 25 ms 17588 KB Output is correct
17 Correct 25 ms 17548 KB Output is correct
18 Correct 2 ms 8024 KB Output is correct
19 Correct 2 ms 8024 KB Output is correct
20 Correct 2 ms 8024 KB Output is correct
21 Correct 2 ms 8024 KB Output is correct
22 Correct 2 ms 8132 KB Output is correct
23 Correct 2 ms 8024 KB Output is correct
24 Correct 2 ms 8024 KB Output is correct
25 Correct 2 ms 8024 KB Output is correct
26 Correct 2 ms 8024 KB Output is correct
27 Correct 2 ms 8532 KB Output is correct
28 Correct 2 ms 8280 KB Output is correct
29 Correct 2 ms 8280 KB Output is correct
30 Correct 2 ms 8280 KB Output is correct
31 Correct 2 ms 8280 KB Output is correct
32 Correct 2 ms 8024 KB Output is correct
33 Correct 30 ms 16800 KB Output is correct
34 Correct 34 ms 16820 KB Output is correct
35 Correct 25 ms 15788 KB Output is correct
36 Correct 30 ms 16796 KB Output is correct
37 Correct 24 ms 17068 KB Output is correct
38 Correct 23 ms 17588 KB Output is correct
39 Correct 2 ms 8024 KB Output is correct
40 Correct 18 ms 12956 KB Output is correct
41 Correct 30 ms 16816 KB Output is correct
42 Correct 24 ms 15540 KB Output is correct
43 Correct 39 ms 16792 KB Output is correct
44 Correct 25 ms 17076 KB Output is correct
45 Correct 25 ms 17584 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 8024 KB Output is correct
2 Correct 2 ms 8024 KB Output is correct
3 Correct 2 ms 8024 KB Output is correct
4 Execution timed out 4062 ms 11952 KB Time limit exceeded
5 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 2 ms 8024 KB Output is correct
2 Correct 2 ms 8024 KB Output is correct
3 Correct 2 ms 8024 KB Output is correct
4 Execution timed out 4062 ms 11952 KB Time limit exceeded
5 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 3 ms 8024 KB Output is correct
2 Correct 2 ms 8024 KB Output is correct
3 Correct 118 ms 14120 KB Output is correct
4 Correct 1109 ms 15776 KB Output is correct
5 Correct 957 ms 11980 KB Output is correct
6 Correct 1130 ms 15532 KB Output is correct
7 Correct 825 ms 13236 KB Output is correct
8 Correct 1140 ms 15532 KB Output is correct
9 Correct 2 ms 8024 KB Output is correct
10 Correct 2 ms 8024 KB Output is correct
11 Correct 2 ms 8024 KB Output is correct
12 Correct 2 ms 8112 KB Output is correct
13 Correct 3 ms 8024 KB Output is correct
14 Correct 5 ms 8024 KB Output is correct
15 Correct 3 ms 8024 KB Output is correct
16 Correct 3 ms 8024 KB Output is correct
17 Correct 2 ms 8024 KB Output is correct
18 Correct 3 ms 8024 KB Output is correct
19 Correct 4 ms 8024 KB Output is correct
20 Correct 4 ms 8024 KB Output is correct
21 Correct 4 ms 8024 KB Output is correct
22 Correct 3 ms 8024 KB Output is correct
23 Correct 3 ms 8024 KB Output is correct
24 Correct 3 ms 8024 KB Output is correct
25 Correct 3 ms 8024 KB Output is correct
26 Correct 2 ms 8024 KB Output is correct
27 Correct 2 ms 8024 KB Output is correct
28 Correct 5 ms 8024 KB Output is correct
29 Correct 3 ms 8024 KB Output is correct
30 Correct 4 ms 8024 KB Output is correct
31 Correct 3 ms 8024 KB Output is correct
32 Correct 3 ms 8024 KB Output is correct
33 Correct 2 ms 8024 KB Output is correct
34 Correct 2 ms 8024 KB Output is correct
35 Correct 3 ms 8024 KB Output is correct
36 Correct 3 ms 8024 KB Output is correct
37 Correct 3 ms 8024 KB Output is correct
38 Correct 4 ms 8024 KB Output is correct
39 Correct 3 ms 8024 KB Output is correct
40 Correct 3 ms 8024 KB Output is correct
41 Correct 2 ms 8024 KB Output is correct
42 Correct 2 ms 8024 KB Output is correct
43 Correct 2 ms 8024 KB Output is correct
44 Correct 2 ms 8196 KB Output is correct
45 Correct 2 ms 8024 KB Output is correct
46 Correct 2 ms 8024 KB Output is correct
47 Correct 2 ms 8024 KB Output is correct
48 Correct 2 ms 8024 KB Output is correct
49 Correct 1 ms 8024 KB Output is correct
50 Correct 2 ms 7952 KB Output is correct
51 Correct 1 ms 8024 KB Output is correct
52 Correct 3 ms 8024 KB Output is correct
53 Correct 3 ms 8024 KB Output is correct
54 Correct 3 ms 8024 KB Output is correct
55 Correct 3 ms 7992 KB Output is correct
56 Correct 2 ms 8108 KB Output is correct
57 Correct 3 ms 8024 KB Output is correct
58 Correct 3 ms 8024 KB Output is correct
59 Correct 4 ms 8024 KB Output is correct
60 Correct 3 ms 8056 KB Output is correct
61 Correct 3 ms 8024 KB Output is correct
62 Correct 4 ms 8024 KB Output is correct
63 Correct 4 ms 8024 KB Output is correct
64 Correct 3 ms 8024 KB Output is correct
65 Correct 2 ms 8024 KB Output is correct
66 Correct 15 ms 8164 KB Output is correct
67 Correct 21 ms 8280 KB Output is correct
68 Correct 6 ms 8076 KB Output is correct
69 Correct 29 ms 8280 KB Output is correct
70 Correct 12 ms 8024 KB Output is correct
71 Correct 24 ms 8280 KB Output is correct
72 Correct 23 ms 8276 KB Output is correct
73 Correct 33 ms 8024 KB Output is correct
74 Correct 37 ms 8280 KB Output is correct
75 Correct 22 ms 8280 KB Output is correct
76 Correct 29 ms 8280 KB Output is correct
77 Correct 36 ms 8280 KB Output is correct
78 Correct 31 ms 8280 KB Output is correct
79 Correct 2 ms 8024 KB Output is correct
80 Correct 2 ms 8024 KB Output is correct
81 Correct 4 ms 8024 KB Output is correct
82 Correct 3 ms 8024 KB Output is correct
83 Correct 4 ms 8024 KB Output is correct
84 Correct 3 ms 8024 KB Output is correct
85 Correct 3 ms 8024 KB Output is correct
86 Correct 2 ms 8024 KB Output is correct
87 Correct 2 ms 8024 KB Output is correct
88 Correct 3 ms 8024 KB Output is correct
89 Correct 4 ms 8024 KB Output is correct
90 Correct 3 ms 8024 KB Output is correct
91 Correct 3 ms 8024 KB Output is correct
92 Correct 3 ms 8116 KB Output is correct
93 Correct 3 ms 8024 KB Output is correct
94 Correct 2 ms 8024 KB Output is correct
95 Correct 2 ms 8024 KB Output is correct
96 Correct 2 ms 8024 KB Output is correct
97 Correct 2 ms 8024 KB Output is correct
98 Correct 2 ms 8116 KB Output is correct
99 Correct 2 ms 8024 KB Output is correct
100 Correct 2 ms 8024 KB Output is correct
101 Correct 2 ms 8024 KB Output is correct
102 Correct 6 ms 8024 KB Output is correct
103 Correct 28 ms 8280 KB Output is correct
104 Correct 31 ms 8280 KB Output is correct
105 Correct 26 ms 8280 KB Output is correct
106 Correct 27 ms 8280 KB Output is correct
107 Correct 29 ms 8280 KB Output is correct
108 Correct 2 ms 8024 KB Output is correct
109 Correct 2 ms 8024 KB Output is correct
110 Correct 30 ms 8280 KB Output is correct
111 Correct 31 ms 8280 KB Output is correct
112 Correct 20 ms 8280 KB Output is correct
113 Correct 29 ms 8280 KB Output is correct
114 Correct 31 ms 8532 KB Output is correct
115 Correct 2 ms 8024 KB Output is correct
116 Correct 2 ms 8276 KB Output is correct
117 Correct 2 ms 8280 KB Output is correct
118 Correct 2 ms 8280 KB Output is correct
119 Correct 2 ms 8280 KB Output is correct
120 Correct 2 ms 8280 KB Output is correct
121 Correct 2 ms 8280 KB Output is correct
122 Correct 2 ms 8024 KB Output is correct
123 Correct 2 ms 8024 KB Output is correct
124 Correct 2 ms 8024 KB Output is correct
125 Correct 2 ms 8024 KB Output is correct
126 Correct 28 ms 14916 KB Output is correct
127 Correct 35 ms 16804 KB Output is correct
128 Correct 17 ms 12472 KB Output is correct
129 Correct 35 ms 16808 KB Output is correct
130 Correct 6 ms 9560 KB Output is correct
131 Correct 34 ms 16820 KB Output is correct
132 Correct 21 ms 15536 KB Output is correct
133 Correct 27 ms 16280 KB Output is correct
134 Correct 25 ms 15800 KB Output is correct
135 Correct 29 ms 16792 KB Output is correct
136 Correct 28 ms 17076 KB Output is correct
137 Correct 25 ms 17588 KB Output is correct
138 Correct 25 ms 17548 KB Output is correct
139 Correct 2 ms 8024 KB Output is correct
140 Correct 2 ms 8024 KB Output is correct
141 Correct 2 ms 8024 KB Output is correct
142 Correct 2 ms 8024 KB Output is correct
143 Correct 2 ms 8132 KB Output is correct
144 Correct 2 ms 8024 KB Output is correct
145 Correct 2 ms 8024 KB Output is correct
146 Correct 2 ms 8024 KB Output is correct
147 Correct 2 ms 8024 KB Output is correct
148 Correct 2 ms 8532 KB Output is correct
149 Correct 2 ms 8280 KB Output is correct
150 Correct 2 ms 8280 KB Output is correct
151 Correct 2 ms 8280 KB Output is correct
152 Correct 2 ms 8280 KB Output is correct
153 Correct 2 ms 8024 KB Output is correct
154 Correct 30 ms 16800 KB Output is correct
155 Correct 34 ms 16820 KB Output is correct
156 Correct 25 ms 15788 KB Output is correct
157 Correct 30 ms 16796 KB Output is correct
158 Correct 24 ms 17068 KB Output is correct
159 Correct 23 ms 17588 KB Output is correct
160 Correct 2 ms 8024 KB Output is correct
161 Correct 18 ms 12956 KB Output is correct
162 Correct 30 ms 16816 KB Output is correct
163 Correct 24 ms 15540 KB Output is correct
164 Correct 39 ms 16792 KB Output is correct
165 Correct 25 ms 17076 KB Output is correct
166 Correct 25 ms 17584 KB Output is correct
167 Correct 2 ms 8024 KB Output is correct
168 Correct 2 ms 8024 KB Output is correct
169 Correct 2 ms 8024 KB Output is correct
170 Execution timed out 4062 ms 11952 KB Time limit exceeded
171 Halted 0 ms 0 KB -