oj.uz

Submission #525284

# Submission time Handle Problem Language Result Execution time Memory
525284 2022-02-11T08:59:00 Z qwerasdfzxcl Mountains and Valleys (CCO20_day1problem3) C++14
13 / 25
 3873 ms 12876 KB 
#include <bits/stdc++.h>

typedef long long ll;
using namespace std;
struct Edge{
    int v, w, i;
    Edge(){}
    Edge(int _v, int _w, int _i): v(_v), w(_w), i(_i) {}
};
vector<Edge> adj[500500];
int on[2002000], W[2002000], dist[500500];
vector<Edge> E;

vector<int> P, cyc;
bool dfs0(int s, int e, int pa = -1){
    cyc.push_back(s);
    if (s==e) return 1;
    for (auto &v:adj[s]) if (v.v!=pa && on[v.i]){
        P.push_back(v.i);
        if (dfs0(v.v, e, s)) return 1;
        P.pop_back();
        cyc.pop_back();
    }
    return 0;
}

void dfs(int s, int pa = -1, int w = 0){
    if (pa==-1) dist[s] = 0;
    else dist[s] = dist[pa] + w;
    for (auto &v:adj[s]) if (v.v!=pa && on[v.i]) dfs(v.v, s, v.w);
}

int cur = 0, ans = 1e9;
int calc(int s, int n){
    fill(dist, dist+n, 0);
    dfs(s);
    if (*max_element(dist, dist+n)==0) return 0;

    dfs(max_element(dist, dist+n)-dist);

    return *max_element(dist, dist+n);
}

int main(){
    int n, m;
    scanf("%d %d", &n, &m);
    for (int i=1;i<=m;i++){
        int x, y, z;
        scanf("%d %d %d", &x, &y, &z);
        adj[x].emplace_back(y, z, i);
        adj[y].emplace_back(x, z, i);
        W[i] = z;

        if (z==1) on[i] = 1, cur++;
        else E.emplace_back(x, y, i);
    }

    ans = min(ans, cur*2 - calc(0, n));

    if (n>500) {printf("%d\n", ans); return 0;}

    for (auto &e:E){
        P.clear();
        cyc.clear();
        assert(dfs0(e.v, e.w));

        on[e.i] = 1, cur += W[e.i];

        for (auto &x:P){
            on[x] = 0, cur -= W[x];
            ans = min(ans, cur*2 - calc(0, n));
            on[x] = 1, cur += W[x];
        }

        ///cycle
        on[e.i] = 0;
        int len = W[e.i] + P.size();

        for (auto &x:P) on[x] = 0;
        for (auto &x:cyc) ans = min(ans, cur*2 - len - calc(x, n));
        ///

        for (auto &x:P) on[x] = 1;

        on[e.i] = 0, cur -= W[e.i];
    }

    printf("%d\n", ans);
    return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:46:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   46 |     scanf("%d %d", &n, &m);
      |     ~~~~~^~~~~~~~~~~~~~~~~
Main.cpp:49:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   49 |         scanf("%d %d %d", &x, &y, &z);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 11980 KB Output is correct
2 Correct 6 ms 11980 KB Output is correct
3 Correct 8 ms 11980 KB Output is correct
4 Correct 6 ms 11980 KB Output is correct
5 Correct 7 ms 11980 KB Output is correct
6 Correct 6 ms 12072 KB Output is correct
7 Correct 7 ms 12076 KB Output is correct
8 Correct 6 ms 11980 KB Output is correct
9 Correct 6 ms 11980 KB Output is correct
10 Correct 6 ms 11980 KB Output is correct
11 Correct 6 ms 11980 KB Output is correct
12 Correct 7 ms 11980 KB Output is correct
13 Correct 6 ms 11980 KB Output is correct
14 Correct 6 ms 11980 KB Output is correct
15 Correct 7 ms 11980 KB Output is correct

Subtask #2
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 11980 KB Output is correct
2 Correct 6 ms 11980 KB Output is correct
3 Correct 8 ms 11980 KB Output is correct
4 Correct 6 ms 11980 KB Output is correct
5 Correct 7 ms 11980 KB Output is correct
6 Correct 6 ms 12072 KB Output is correct
7 Correct 7 ms 12076 KB Output is correct
8 Correct 6 ms 11980 KB Output is correct
9 Correct 6 ms 11980 KB Output is correct
10 Correct 6 ms 11980 KB Output is correct
11 Correct 6 ms 11980 KB Output is correct
12 Correct 7 ms 11980 KB Output is correct
13 Correct 6 ms 11980 KB Output is correct
14 Correct 6 ms 11980 KB Output is correct
15 Correct 7 ms 11980 KB Output is correct
16 Correct 7 ms 11980 KB Output is correct
17 Correct 6 ms 11980 KB Output is correct
18 Correct 7 ms 11980 KB Output is correct
19 Correct 7 ms 11984 KB Output is correct
20 Correct 6 ms 11980 KB Output is correct
21 Correct 6 ms 11980 KB Output is correct
22 Correct 9 ms 11968 KB Output is correct
23 Correct 7 ms 11980 KB Output is correct
24 Correct 6 ms 11980 KB Output is correct
25 Correct 6 ms 12064 KB Output is correct
26 Correct 6 ms 12076 KB Output is correct
27 Correct 7 ms 11980 KB Output is correct
28 Correct 6 ms 11980 KB Output is correct
29 Correct 7 ms 11980 KB Output is correct
30 Correct 7 ms 12032 KB Output is correct
31 Correct 7 ms 11980 KB Output is correct
32 Correct 7 ms 11960 KB Output is correct
33 Correct 6 ms 12032 KB Output is correct
34 Correct 6 ms 11980 KB Output is correct
35 Correct 6 ms 12004 KB Output is correct

Subtask #3
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 12868 KB Output is correct
2 Correct 10 ms 12780 KB Output is correct
3 Correct 11 ms 12620 KB Output is correct
4 Correct 11 ms 12636 KB Output is correct
5 Correct 14 ms 12620 KB Output is correct
6 Correct 10 ms 12620 KB Output is correct
7 Correct 12 ms 12732 KB Output is correct
8 Correct 10 ms 12748 KB Output is correct
9 Correct 11 ms 12776 KB Output is correct
10 Correct 10 ms 12712 KB Output is correct
11 Correct 10 ms 12620 KB Output is correct
12 Correct 10 ms 12688 KB Output is correct
13 Correct 12 ms 12684 KB Output is correct
14 Correct 12 ms 12640 KB Output is correct

Subtask #4
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 11980 KB Output is correct
2 Correct 6 ms 11980 KB Output is correct
3 Correct 8 ms 11980 KB Output is correct
4 Correct 6 ms 11980 KB Output is correct
5 Correct 7 ms 11980 KB Output is correct
6 Correct 6 ms 12072 KB Output is correct
7 Correct 7 ms 12076 KB Output is correct
8 Correct 6 ms 11980 KB Output is correct
9 Correct 6 ms 11980 KB Output is correct
10 Correct 6 ms 11980 KB Output is correct
11 Correct 6 ms 11980 KB Output is correct
12 Correct 7 ms 11980 KB Output is correct
13 Correct 6 ms 11980 KB Output is correct
14 Correct 6 ms 11980 KB Output is correct
15 Correct 7 ms 11980 KB Output is correct
16 Correct 7 ms 11980 KB Output is correct
17 Correct 6 ms 11980 KB Output is correct
18 Correct 7 ms 11980 KB Output is correct
19 Correct 7 ms 11984 KB Output is correct
20 Correct 6 ms 11980 KB Output is correct
21 Correct 6 ms 11980 KB Output is correct
22 Correct 9 ms 11968 KB Output is correct
23 Correct 7 ms 11980 KB Output is correct
24 Correct 6 ms 11980 KB Output is correct
25 Correct 6 ms 12064 KB Output is correct
26 Correct 6 ms 12076 KB Output is correct
27 Correct 7 ms 11980 KB Output is correct
28 Correct 6 ms 11980 KB Output is correct
29 Correct 7 ms 11980 KB Output is correct
30 Correct 7 ms 12032 KB Output is correct
31 Correct 7 ms 11980 KB Output is correct
32 Correct 7 ms 11960 KB Output is correct
33 Correct 6 ms 12032 KB Output is correct
34 Correct 6 ms 11980 KB Output is correct
35 Correct 6 ms 12004 KB Output is correct
36 Correct 21 ms 12076 KB Output is correct
37 Correct 27 ms 11980 KB Output is correct
38 Correct 25 ms 12108 KB Output is correct
39 Correct 20 ms 12080 KB Output is correct
40 Correct 17 ms 11980 KB Output is correct
41 Correct 7 ms 11980 KB Output is correct
42 Correct 26 ms 11980 KB Output is correct
43 Correct 19 ms 12080 KB Output is correct
44 Correct 20 ms 12076 KB Output is correct
45 Correct 18 ms 11976 KB Output is correct
46 Correct 19 ms 11980 KB Output is correct
47 Correct 18 ms 11980 KB Output is correct
48 Correct 8 ms 12048 KB Output is correct
49 Correct 8 ms 11980 KB Output is correct

Subtask #5
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 11980 KB Output is correct
2 Correct 6 ms 11980 KB Output is correct
3 Correct 8 ms 11980 KB Output is correct
4 Correct 6 ms 11980 KB Output is correct
5 Correct 7 ms 11980 KB Output is correct
6 Correct 6 ms 12072 KB Output is correct
7 Correct 7 ms 12076 KB Output is correct
8 Correct 6 ms 11980 KB Output is correct
9 Correct 6 ms 11980 KB Output is correct
10 Correct 6 ms 11980 KB Output is correct
11 Correct 6 ms 11980 KB Output is correct
12 Correct 7 ms 11980 KB Output is correct
13 Correct 6 ms 11980 KB Output is correct
14 Correct 6 ms 11980 KB Output is correct
15 Correct 7 ms 11980 KB Output is correct
16 Correct 7 ms 11980 KB Output is correct
17 Correct 6 ms 11980 KB Output is correct
18 Correct 7 ms 11980 KB Output is correct
19 Correct 7 ms 11984 KB Output is correct
20 Correct 6 ms 11980 KB Output is correct
21 Correct 6 ms 11980 KB Output is correct
22 Correct 9 ms 11968 KB Output is correct
23 Correct 7 ms 11980 KB Output is correct
24 Correct 6 ms 11980 KB Output is correct
25 Correct 6 ms 12064 KB Output is correct
26 Correct 6 ms 12076 KB Output is correct
27 Correct 7 ms 11980 KB Output is correct
28 Correct 6 ms 11980 KB Output is correct
29 Correct 7 ms 11980 KB Output is correct
30 Correct 7 ms 12032 KB Output is correct
31 Correct 7 ms 11980 KB Output is correct
32 Correct 7 ms 11960 KB Output is correct
33 Correct 6 ms 12032 KB Output is correct
34 Correct 6 ms 11980 KB Output is correct
35 Correct 6 ms 12004 KB Output is correct
36 Correct 21 ms 12076 KB Output is correct
37 Correct 27 ms 11980 KB Output is correct
38 Correct 25 ms 12108 KB Output is correct
39 Correct 20 ms 12080 KB Output is correct
40 Correct 17 ms 11980 KB Output is correct
41 Correct 7 ms 11980 KB Output is correct
42 Correct 26 ms 11980 KB Output is correct
43 Correct 19 ms 12080 KB Output is correct
44 Correct 20 ms 12076 KB Output is correct
45 Correct 18 ms 11976 KB Output is correct
46 Correct 19 ms 11980 KB Output is correct
47 Correct 18 ms 11980 KB Output is correct
48 Correct 8 ms 12048 KB Output is correct
49 Correct 8 ms 11980 KB Output is correct
50 Correct 2643 ms 12140 KB Output is correct
51 Correct 3873 ms 12132 KB Output is correct
52 Correct 2652 ms 12228 KB Output is correct
53 Correct 2045 ms 12228 KB Output is correct
54 Correct 1691 ms 12112 KB Output is correct
55 Correct 29 ms 12016 KB Output is correct
56 Correct 2529 ms 12144 KB Output is correct
57 Correct 2160 ms 12132 KB Output is correct
58 Correct 2526 ms 12136 KB Output is correct
59 Correct 1965 ms 12124 KB Output is correct
60 Correct 2155 ms 12220 KB Output is correct
61 Correct 2293 ms 12112 KB Output is correct
62 Correct 270 ms 12108 KB Output is correct
63 Correct 266 ms 12104 KB Output is correct

Subtask #6
0.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 11980 KB Output is correct
2 Correct 6 ms 11980 KB Output is correct
3 Correct 8 ms 11980 KB Output is correct
4 Correct 6 ms 11980 KB Output is correct
5 Correct 7 ms 11980 KB Output is correct
6 Correct 6 ms 12072 KB Output is correct
7 Correct 7 ms 12076 KB Output is correct
8 Correct 6 ms 11980 KB Output is correct
9 Correct 6 ms 11980 KB Output is correct
10 Correct 6 ms 11980 KB Output is correct
11 Correct 6 ms 11980 KB Output is correct
12 Correct 7 ms 11980 KB Output is correct
13 Correct 6 ms 11980 KB Output is correct
14 Correct 6 ms 11980 KB Output is correct
15 Correct 7 ms 11980 KB Output is correct
16 Correct 7 ms 11980 KB Output is correct
17 Correct 6 ms 11980 KB Output is correct
18 Correct 7 ms 11980 KB Output is correct
19 Correct 7 ms 11984 KB Output is correct
20 Correct 6 ms 11980 KB Output is correct
21 Correct 6 ms 11980 KB Output is correct
22 Correct 9 ms 11968 KB Output is correct
23 Correct 7 ms 11980 KB Output is correct
24 Correct 6 ms 11980 KB Output is correct
25 Correct 6 ms 12064 KB Output is correct
26 Correct 6 ms 12076 KB Output is correct
27 Correct 7 ms 11980 KB Output is correct
28 Correct 6 ms 11980 KB Output is correct
29 Correct 7 ms 11980 KB Output is correct
30 Correct 7 ms 12032 KB Output is correct
31 Correct 7 ms 11980 KB Output is correct
32 Correct 7 ms 11960 KB Output is correct
33 Correct 6 ms 12032 KB Output is correct
34 Correct 6 ms 11980 KB Output is correct
35 Correct 6 ms 12004 KB Output is correct
36 Correct 11 ms 12868 KB Output is correct
37 Correct 10 ms 12780 KB Output is correct
38 Correct 11 ms 12620 KB Output is correct
39 Correct 11 ms 12636 KB Output is correct
40 Correct 14 ms 12620 KB Output is correct
41 Correct 10 ms 12620 KB Output is correct
42 Correct 12 ms 12732 KB Output is correct
43 Correct 10 ms 12748 KB Output is correct
44 Correct 11 ms 12776 KB Output is correct
45 Correct 10 ms 12712 KB Output is correct
46 Correct 10 ms 12620 KB Output is correct
47 Correct 10 ms 12688 KB Output is correct
48 Correct 12 ms 12684 KB Output is correct
49 Correct 12 ms 12640 KB Output is correct
50 Correct 21 ms 12076 KB Output is correct
51 Correct 27 ms 11980 KB Output is correct
52 Correct 25 ms 12108 KB Output is correct
53 Correct 20 ms 12080 KB Output is correct
54 Correct 17 ms 11980 KB Output is correct
55 Correct 7 ms 11980 KB Output is correct
56 Correct 26 ms 11980 KB Output is correct
57 Correct 19 ms 12080 KB Output is correct
58 Correct 20 ms 12076 KB Output is correct
59 Correct 18 ms 11976 KB Output is correct
60 Correct 19 ms 11980 KB Output is correct
61 Correct 18 ms 11980 KB Output is correct
62 Correct 8 ms 12048 KB Output is correct
63 Correct 8 ms 11980 KB Output is correct
64 Correct 2643 ms 12140 KB Output is correct
65 Correct 3873 ms 12132 KB Output is correct
66 Correct 2652 ms 12228 KB Output is correct
67 Correct 2045 ms 12228 KB Output is correct
68 Correct 1691 ms 12112 KB Output is correct
69 Correct 29 ms 12016 KB Output is correct
70 Correct 2529 ms 12144 KB Output is correct
71 Correct 2160 ms 12132 KB Output is correct
72 Correct 2526 ms 12136 KB Output is correct
73 Correct 1965 ms 12124 KB Output is correct
74 Correct 2155 ms 12220 KB Output is correct
75 Correct 2293 ms 12112 KB Output is correct
76 Correct 270 ms 12108 KB Output is correct
77 Correct 266 ms 12104 KB Output is correct
78 Correct 11 ms 12876 KB Output is correct
79 Correct 10 ms 12748 KB Output is correct
80 Correct 11 ms 12704 KB Output is correct
81 Incorrect 11 ms 12592 KB Output isn't correct
82 Halted 0 ms 0 KB -

Subtask #7
0.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 11980 KB Output is correct
2 Correct 6 ms 11980 KB Output is correct
3 Correct 8 ms 11980 KB Output is correct
4 Correct 6 ms 11980 KB Output is correct
5 Correct 7 ms 11980 KB Output is correct
6 Correct 6 ms 12072 KB Output is correct
7 Correct 7 ms 12076 KB Output is correct
8 Correct 6 ms 11980 KB Output is correct
9 Correct 6 ms 11980 KB Output is correct
10 Correct 6 ms 11980 KB Output is correct
11 Correct 6 ms 11980 KB Output is correct
12 Correct 7 ms 11980 KB Output is correct
13 Correct 6 ms 11980 KB Output is correct
14 Correct 6 ms 11980 KB Output is correct
15 Correct 7 ms 11980 KB Output is correct
16 Correct 7 ms 11980 KB Output is correct
17 Correct 6 ms 11980 KB Output is correct
18 Correct 7 ms 11980 KB Output is correct
19 Correct 7 ms 11984 KB Output is correct
20 Correct 6 ms 11980 KB Output is correct
21 Correct 6 ms 11980 KB Output is correct
22 Correct 9 ms 11968 KB Output is correct
23 Correct 7 ms 11980 KB Output is correct
24 Correct 6 ms 11980 KB Output is correct
25 Correct 6 ms 12064 KB Output is correct
26 Correct 6 ms 12076 KB Output is correct
27 Correct 7 ms 11980 KB Output is correct
28 Correct 6 ms 11980 KB Output is correct
29 Correct 7 ms 11980 KB Output is correct
30 Correct 7 ms 12032 KB Output is correct
31 Correct 7 ms 11980 KB Output is correct
32 Correct 7 ms 11960 KB Output is correct
33 Correct 6 ms 12032 KB Output is correct
34 Correct 6 ms 11980 KB Output is correct
35 Correct 6 ms 12004 KB Output is correct
36 Correct 11 ms 12868 KB Output is correct
37 Correct 10 ms 12780 KB Output is correct
38 Correct 11 ms 12620 KB Output is correct
39 Correct 11 ms 12636 KB Output is correct
40 Correct 14 ms 12620 KB Output is correct
41 Correct 10 ms 12620 KB Output is correct
42 Correct 12 ms 12732 KB Output is correct
43 Correct 10 ms 12748 KB Output is correct
44 Correct 11 ms 12776 KB Output is correct
45 Correct 10 ms 12712 KB Output is correct
46 Correct 10 ms 12620 KB Output is correct
47 Correct 10 ms 12688 KB Output is correct
48 Correct 12 ms 12684 KB Output is correct
49 Correct 12 ms 12640 KB Output is correct
50 Correct 21 ms 12076 KB Output is correct
51 Correct 27 ms 11980 KB Output is correct
52 Correct 25 ms 12108 KB Output is correct
53 Correct 20 ms 12080 KB Output is correct
54 Correct 17 ms 11980 KB Output is correct
55 Correct 7 ms 11980 KB Output is correct
56 Correct 26 ms 11980 KB Output is correct
57 Correct 19 ms 12080 KB Output is correct
58 Correct 20 ms 12076 KB Output is correct
59 Correct 18 ms 11976 KB Output is correct
60 Correct 19 ms 11980 KB Output is correct
61 Correct 18 ms 11980 KB Output is correct
62 Correct 8 ms 12048 KB Output is correct
63 Correct 8 ms 11980 KB Output is correct
64 Correct 2643 ms 12140 KB Output is correct
65 Correct 3873 ms 12132 KB Output is correct
66 Correct 2652 ms 12228 KB Output is correct
67 Correct 2045 ms 12228 KB Output is correct
68 Correct 1691 ms 12112 KB Output is correct
69 Correct 29 ms 12016 KB Output is correct
70 Correct 2529 ms 12144 KB Output is correct
71 Correct 2160 ms 12132 KB Output is correct
72 Correct 2526 ms 12136 KB Output is correct
73 Correct 1965 ms 12124 KB Output is correct
74 Correct 2155 ms 12220 KB Output is correct
75 Correct 2293 ms 12112 KB Output is correct
76 Correct 270 ms 12108 KB Output is correct
77 Correct 266 ms 12104 KB Output is correct
78 Correct 11 ms 12876 KB Output is correct
79 Correct 10 ms 12748 KB Output is correct
80 Correct 11 ms 12704 KB Output is correct
81 Incorrect 11 ms 12592 KB Output isn't correct
82 Halted 0 ms 0 KB -

Subtask #8
0.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 11980 KB Output is correct
2 Correct 6 ms 11980 KB Output is correct
3 Correct 8 ms 11980 KB Output is correct
4 Correct 6 ms 11980 KB Output is correct
5 Correct 7 ms 11980 KB Output is correct
6 Correct 6 ms 12072 KB Output is correct
7 Correct 7 ms 12076 KB Output is correct
8 Correct 6 ms 11980 KB Output is correct
9 Correct 6 ms 11980 KB Output is correct
10 Correct 6 ms 11980 KB Output is correct
11 Correct 6 ms 11980 KB Output is correct
12 Correct 7 ms 11980 KB Output is correct
13 Correct 6 ms 11980 KB Output is correct
14 Correct 6 ms 11980 KB Output is correct
15 Correct 7 ms 11980 KB Output is correct
16 Correct 7 ms 11980 KB Output is correct
17 Correct 6 ms 11980 KB Output is correct
18 Correct 7 ms 11980 KB Output is correct
19 Correct 7 ms 11984 KB Output is correct
20 Correct 6 ms 11980 KB Output is correct
21 Correct 6 ms 11980 KB Output is correct
22 Correct 9 ms 11968 KB Output is correct
23 Correct 7 ms 11980 KB Output is correct
24 Correct 6 ms 11980 KB Output is correct
25 Correct 6 ms 12064 KB Output is correct
26 Correct 6 ms 12076 KB Output is correct
27 Correct 7 ms 11980 KB Output is correct
28 Correct 6 ms 11980 KB Output is correct
29 Correct 7 ms 11980 KB Output is correct
30 Correct 7 ms 12032 KB Output is correct
31 Correct 7 ms 11980 KB Output is correct
32 Correct 7 ms 11960 KB Output is correct
33 Correct 6 ms 12032 KB Output is correct
34 Correct 6 ms 11980 KB Output is correct
35 Correct 6 ms 12004 KB Output is correct
36 Correct 11 ms 12868 KB Output is correct
37 Correct 10 ms 12780 KB Output is correct
38 Correct 11 ms 12620 KB Output is correct
39 Correct 11 ms 12636 KB Output is correct
40 Correct 14 ms 12620 KB Output is correct
41 Correct 10 ms 12620 KB Output is correct
42 Correct 12 ms 12732 KB Output is correct
43 Correct 10 ms 12748 KB Output is correct
44 Correct 11 ms 12776 KB Output is correct
45 Correct 10 ms 12712 KB Output is correct
46 Correct 10 ms 12620 KB Output is correct
47 Correct 10 ms 12688 KB Output is correct
48 Correct 12 ms 12684 KB Output is correct
49 Correct 12 ms 12640 KB Output is correct
50 Correct 21 ms 12076 KB Output is correct
51 Correct 27 ms 11980 KB Output is correct
52 Correct 25 ms 12108 KB Output is correct
53 Correct 20 ms 12080 KB Output is correct
54 Correct 17 ms 11980 KB Output is correct
55 Correct 7 ms 11980 KB Output is correct
56 Correct 26 ms 11980 KB Output is correct
57 Correct 19 ms 12080 KB Output is correct
58 Correct 20 ms 12076 KB Output is correct
59 Correct 18 ms 11976 KB Output is correct
60 Correct 19 ms 11980 KB Output is correct
61 Correct 18 ms 11980 KB Output is correct
62 Correct 8 ms 12048 KB Output is correct
63 Correct 8 ms 11980 KB Output is correct
64 Correct 2643 ms 12140 KB Output is correct
65 Correct 3873 ms 12132 KB Output is correct
66 Correct 2652 ms 12228 KB Output is correct
67 Correct 2045 ms 12228 KB Output is correct
68 Correct 1691 ms 12112 KB Output is correct
69 Correct 29 ms 12016 KB Output is correct
70 Correct 2529 ms 12144 KB Output is correct
71 Correct 2160 ms 12132 KB Output is correct
72 Correct 2526 ms 12136 KB Output is correct
73 Correct 1965 ms 12124 KB Output is correct
74 Correct 2155 ms 12220 KB Output is correct
75 Correct 2293 ms 12112 KB Output is correct
76 Correct 270 ms 12108 KB Output is correct
77 Correct 266 ms 12104 KB Output is correct
78 Correct 11 ms 12876 KB Output is correct
79 Correct 10 ms 12748 KB Output is correct
80 Correct 11 ms 12704 KB Output is correct
81 Incorrect 11 ms 12592 KB Output isn't correct
82 Halted 0 ms 0 KB -