Submission #525757

# Submission time Handle Problem Language Result Execution time Memory
525757 2022-02-12T19:27:33 Z mjhmjh1104 Mountains and Valleys (CCO20_day1problem3) C++17
11 / 25
713 ms 108280 KB
#include <cstdio>
#include <vector>
#include <utility>
#include <algorithm>
using namespace std;

int n, m, dp[20][20971520];
vector<int> tree[200006];
vector<pair<int, int>> adj[200006];

int f(int x, int y) {
    if (dp[x][y] + 1) return dp[x][y];
    if (!y) return dp[x][y] = 0;
    dp[x][y] = (int)1e9;
    for (auto &i: adj[x]) dp[x][y] = min(dp[x][y], i.second + f(i.first, y & ~(1 << i.first)));
    for (auto &i: tree[x]) dp[x][y] = min(dp[x][y], 1 + f(i, y & ~(1 << i)));
    return dp[x][y];
}

int lt[5006][5006], dist[200006], par[200006], sz[200006];
bool cl[200006];

void dfs_lt(int x, int y, int dist = 0, int prev = -1) {
    lt[y][x] = dist;
    for (auto &i: tree[x]) if (i != prev) dfs_lt(i, y, dist + 1, x);
}

int dfs(int x, int prev = -1) {
    par[x] = prev;
    sz[x] = 1;
    for (auto &i: tree[x]) if (i != prev) {
        sz[x] = max(sz[x], dfs(i, x) + 1);
    }
    return sz[x];
}

int dfs_dist(int x, int prev = -1) {
    int ret = x;
    for (auto &i: tree[x]) if (i != prev) {
        dist[i] = 1 + dist[x];
        int t = dfs_dist(i, x);
        if (dist[t] > dist[ret]) ret = t;
    }
    return ret;
}

int main() {
    scanf("%d%d", &n, &m);
    while (m--) {
        int x, y, w;
        scanf("%d%d%d", &x, &y, &w);
        if (w == 1) {
            tree[x].push_back(y);
            tree[y].push_back(x);
        } else {
            adj[x].push_back({ y, w });
            adj[y].push_back({ x, w });
        }
    }
    if (n <= 20) {
        for (int i = 0; i < n; i++) for (int j = 0; j < 1 << n; j++) dp[i][j] = -1;
        int res = (int)1e9;
        for (int i = 0; i < n; i++) res = min(res, f(i, (1 << n) - 1 ^ 1 << i));
        printf("%d", res);
        return 0;
    }
    for (int i = 0; i < n; i++) dfs_lt(i, i);
    int t = dfs_dist(dist[0] = 0);
    dist[t] = 0;
    int s = dfs_dist(t);
    int zero = 2 * (n - 1) - dist[s], one = (int)1e9;
    if (n <= 500) for (int i = 0; i < n; i++) for (auto &j: adj[i]) if (i < j.first) {
        int curr = j.second + 2 * (n - 1) - lt[i][j.first] - 1;
        dfs(j.first);
        int x = i, pv = -1;
        vector<int> v;
        int y = -1;
        while (x != -1) {
            v.emplace_back();
            vector<int> curr;
            for (auto &i: tree[x]) if (i != pv && i != par[x]) {
                v.back() = max(v.back(), sz[i]);
                curr.push_back(sz[i]);
            }
            sort(curr.rbegin(), curr.rend());
            if (!curr.empty()) y = max(y, curr[0]);
            if ((int)curr.size() > 1) y = max(y, curr[0] + curr[1] - 1);
            pv = x;
            x = par[x];
        }
        for (int i = 0; i < (int)v.size(); i++) for (int j = i + 1; j < (int)v.size(); j++) y = max(y, v[i] + v[j] - (j - i - 1));
        curr -= y;
        one = min(one, curr);
    }
    printf("%d", min(zero, one));
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:63:66: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
   63 |         for (int i = 0; i < n; i++) res = min(res, f(i, (1 << n) - 1 ^ 1 << i));
      |                                                         ~~~~~~~~~^~~
Main.cpp:48:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   48 |     scanf("%d%d", &n, &m);
      |     ~~~~~^~~~~~~~~~~~~~~~
Main.cpp:51:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   51 |         scanf("%d%d%d", &x, &y, &w);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 5 ms 9676 KB Output is correct
2 Correct 4 ms 9676 KB Output is correct
3 Correct 4 ms 9676 KB Output is correct
4 Correct 5 ms 9676 KB Output is correct
5 Correct 4 ms 9676 KB Output is correct
6 Correct 5 ms 9672 KB Output is correct
7 Correct 5 ms 9676 KB Output is correct
8 Correct 4 ms 9676 KB Output is correct
9 Correct 5 ms 9676 KB Output is correct
10 Correct 4 ms 9680 KB Output is correct
11 Correct 4 ms 9676 KB Output is correct
12 Correct 4 ms 9676 KB Output is correct
13 Correct 4 ms 9676 KB Output is correct
14 Correct 5 ms 9624 KB Output is correct
15 Correct 4 ms 9688 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 9676 KB Output is correct
2 Correct 4 ms 9676 KB Output is correct
3 Correct 4 ms 9676 KB Output is correct
4 Correct 5 ms 9676 KB Output is correct
5 Correct 4 ms 9676 KB Output is correct
6 Correct 5 ms 9672 KB Output is correct
7 Correct 5 ms 9676 KB Output is correct
8 Correct 4 ms 9676 KB Output is correct
9 Correct 5 ms 9676 KB Output is correct
10 Correct 4 ms 9680 KB Output is correct
11 Correct 4 ms 9676 KB Output is correct
12 Correct 4 ms 9676 KB Output is correct
13 Correct 4 ms 9676 KB Output is correct
14 Correct 5 ms 9624 KB Output is correct
15 Correct 4 ms 9688 KB Output is correct
16 Correct 6 ms 9676 KB Output is correct
17 Correct 6 ms 9676 KB Output is correct
18 Correct 5 ms 9676 KB Output is correct
19 Correct 5 ms 9932 KB Output is correct
20 Correct 7 ms 11724 KB Output is correct
21 Correct 7 ms 11684 KB Output is correct
22 Correct 166 ms 91836 KB Output is correct
23 Correct 43 ms 48716 KB Output is correct
24 Correct 40 ms 48716 KB Output is correct
25 Correct 30 ms 28204 KB Output is correct
26 Correct 61 ms 28288 KB Output is correct
27 Correct 289 ms 91908 KB Output is correct
28 Correct 20 ms 28236 KB Output is correct
29 Correct 35 ms 28236 KB Output is correct
30 Correct 21 ms 28260 KB Output is correct
31 Correct 25 ms 28264 KB Output is correct
32 Correct 10 ms 11724 KB Output is correct
33 Correct 4 ms 9676 KB Output is correct
34 Correct 12 ms 28236 KB Output is correct
35 Correct 14 ms 28236 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 672 ms 108280 KB Output is correct
2 Correct 695 ms 108264 KB Output is correct
3 Correct 692 ms 108240 KB Output is correct
4 Correct 673 ms 108176 KB Output is correct
5 Correct 671 ms 108136 KB Output is correct
6 Correct 244 ms 108020 KB Output is correct
7 Correct 678 ms 108252 KB Output is correct
8 Correct 713 ms 108132 KB Output is correct
9 Correct 670 ms 108136 KB Output is correct
10 Correct 633 ms 108052 KB Output is correct
11 Correct 638 ms 108080 KB Output is correct
12 Correct 621 ms 107920 KB Output is correct
13 Correct 646 ms 108076 KB Output is correct
14 Correct 678 ms 108064 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 9676 KB Output is correct
2 Correct 4 ms 9676 KB Output is correct
3 Correct 4 ms 9676 KB Output is correct
4 Correct 5 ms 9676 KB Output is correct
5 Correct 4 ms 9676 KB Output is correct
6 Correct 5 ms 9672 KB Output is correct
7 Correct 5 ms 9676 KB Output is correct
8 Correct 4 ms 9676 KB Output is correct
9 Correct 5 ms 9676 KB Output is correct
10 Correct 4 ms 9680 KB Output is correct
11 Correct 4 ms 9676 KB Output is correct
12 Correct 4 ms 9676 KB Output is correct
13 Correct 4 ms 9676 KB Output is correct
14 Correct 5 ms 9624 KB Output is correct
15 Correct 4 ms 9688 KB Output is correct
16 Correct 6 ms 9676 KB Output is correct
17 Correct 6 ms 9676 KB Output is correct
18 Correct 5 ms 9676 KB Output is correct
19 Correct 5 ms 9932 KB Output is correct
20 Correct 7 ms 11724 KB Output is correct
21 Correct 7 ms 11684 KB Output is correct
22 Correct 166 ms 91836 KB Output is correct
23 Correct 43 ms 48716 KB Output is correct
24 Correct 40 ms 48716 KB Output is correct
25 Correct 30 ms 28204 KB Output is correct
26 Correct 61 ms 28288 KB Output is correct
27 Correct 289 ms 91908 KB Output is correct
28 Correct 20 ms 28236 KB Output is correct
29 Correct 35 ms 28236 KB Output is correct
30 Correct 21 ms 28260 KB Output is correct
31 Correct 25 ms 28264 KB Output is correct
32 Correct 10 ms 11724 KB Output is correct
33 Correct 4 ms 9676 KB Output is correct
34 Correct 12 ms 28236 KB Output is correct
35 Correct 14 ms 28236 KB Output is correct
36 Correct 5 ms 10060 KB Output is correct
37 Correct 5 ms 10072 KB Output is correct
38 Correct 5 ms 10060 KB Output is correct
39 Correct 5 ms 10060 KB Output is correct
40 Correct 7 ms 10060 KB Output is correct
41 Correct 6 ms 10136 KB Output is correct
42 Correct 7 ms 10140 KB Output is correct
43 Correct 5 ms 10060 KB Output is correct
44 Correct 6 ms 10060 KB Output is correct
45 Correct 5 ms 10060 KB Output is correct
46 Correct 5 ms 10060 KB Output is correct
47 Correct 5 ms 10060 KB Output is correct
48 Correct 5 ms 10060 KB Output is correct
49 Correct 4 ms 10060 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 9676 KB Output is correct
2 Correct 4 ms 9676 KB Output is correct
3 Correct 4 ms 9676 KB Output is correct
4 Correct 5 ms 9676 KB Output is correct
5 Correct 4 ms 9676 KB Output is correct
6 Correct 5 ms 9672 KB Output is correct
7 Correct 5 ms 9676 KB Output is correct
8 Correct 4 ms 9676 KB Output is correct
9 Correct 5 ms 9676 KB Output is correct
10 Correct 4 ms 9680 KB Output is correct
11 Correct 4 ms 9676 KB Output is correct
12 Correct 4 ms 9676 KB Output is correct
13 Correct 4 ms 9676 KB Output is correct
14 Correct 5 ms 9624 KB Output is correct
15 Correct 4 ms 9688 KB Output is correct
16 Correct 6 ms 9676 KB Output is correct
17 Correct 6 ms 9676 KB Output is correct
18 Correct 5 ms 9676 KB Output is correct
19 Correct 5 ms 9932 KB Output is correct
20 Correct 7 ms 11724 KB Output is correct
21 Correct 7 ms 11684 KB Output is correct
22 Correct 166 ms 91836 KB Output is correct
23 Correct 43 ms 48716 KB Output is correct
24 Correct 40 ms 48716 KB Output is correct
25 Correct 30 ms 28204 KB Output is correct
26 Correct 61 ms 28288 KB Output is correct
27 Correct 289 ms 91908 KB Output is correct
28 Correct 20 ms 28236 KB Output is correct
29 Correct 35 ms 28236 KB Output is correct
30 Correct 21 ms 28260 KB Output is correct
31 Correct 25 ms 28264 KB Output is correct
32 Correct 10 ms 11724 KB Output is correct
33 Correct 4 ms 9676 KB Output is correct
34 Correct 12 ms 28236 KB Output is correct
35 Correct 14 ms 28236 KB Output is correct
36 Correct 5 ms 10060 KB Output is correct
37 Correct 5 ms 10072 KB Output is correct
38 Correct 5 ms 10060 KB Output is correct
39 Correct 5 ms 10060 KB Output is correct
40 Correct 7 ms 10060 KB Output is correct
41 Correct 6 ms 10136 KB Output is correct
42 Correct 7 ms 10140 KB Output is correct
43 Correct 5 ms 10060 KB Output is correct
44 Correct 6 ms 10060 KB Output is correct
45 Correct 5 ms 10060 KB Output is correct
46 Correct 5 ms 10060 KB Output is correct
47 Correct 5 ms 10060 KB Output is correct
48 Correct 5 ms 10060 KB Output is correct
49 Correct 4 ms 10060 KB Output is correct
50 Correct 32 ms 12760 KB Output is correct
51 Correct 56 ms 12748 KB Output is correct
52 Correct 34 ms 12748 KB Output is correct
53 Correct 35 ms 12724 KB Output is correct
54 Correct 22 ms 12680 KB Output is correct
55 Correct 12 ms 12748 KB Output is correct
56 Correct 38 ms 12868 KB Output is correct
57 Correct 31 ms 12840 KB Output is correct
58 Correct 34 ms 12748 KB Output is correct
59 Correct 25 ms 12620 KB Output is correct
60 Incorrect 28 ms 12632 KB Output isn't correct
61 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 5 ms 9676 KB Output is correct
2 Correct 4 ms 9676 KB Output is correct
3 Correct 4 ms 9676 KB Output is correct
4 Correct 5 ms 9676 KB Output is correct
5 Correct 4 ms 9676 KB Output is correct
6 Correct 5 ms 9672 KB Output is correct
7 Correct 5 ms 9676 KB Output is correct
8 Correct 4 ms 9676 KB Output is correct
9 Correct 5 ms 9676 KB Output is correct
10 Correct 4 ms 9680 KB Output is correct
11 Correct 4 ms 9676 KB Output is correct
12 Correct 4 ms 9676 KB Output is correct
13 Correct 4 ms 9676 KB Output is correct
14 Correct 5 ms 9624 KB Output is correct
15 Correct 4 ms 9688 KB Output is correct
16 Correct 6 ms 9676 KB Output is correct
17 Correct 6 ms 9676 KB Output is correct
18 Correct 5 ms 9676 KB Output is correct
19 Correct 5 ms 9932 KB Output is correct
20 Correct 7 ms 11724 KB Output is correct
21 Correct 7 ms 11684 KB Output is correct
22 Correct 166 ms 91836 KB Output is correct
23 Correct 43 ms 48716 KB Output is correct
24 Correct 40 ms 48716 KB Output is correct
25 Correct 30 ms 28204 KB Output is correct
26 Correct 61 ms 28288 KB Output is correct
27 Correct 289 ms 91908 KB Output is correct
28 Correct 20 ms 28236 KB Output is correct
29 Correct 35 ms 28236 KB Output is correct
30 Correct 21 ms 28260 KB Output is correct
31 Correct 25 ms 28264 KB Output is correct
32 Correct 10 ms 11724 KB Output is correct
33 Correct 4 ms 9676 KB Output is correct
34 Correct 12 ms 28236 KB Output is correct
35 Correct 14 ms 28236 KB Output is correct
36 Correct 672 ms 108280 KB Output is correct
37 Correct 695 ms 108264 KB Output is correct
38 Correct 692 ms 108240 KB Output is correct
39 Correct 673 ms 108176 KB Output is correct
40 Correct 671 ms 108136 KB Output is correct
41 Correct 244 ms 108020 KB Output is correct
42 Correct 678 ms 108252 KB Output is correct
43 Correct 713 ms 108132 KB Output is correct
44 Correct 670 ms 108136 KB Output is correct
45 Correct 633 ms 108052 KB Output is correct
46 Correct 638 ms 108080 KB Output is correct
47 Correct 621 ms 107920 KB Output is correct
48 Correct 646 ms 108076 KB Output is correct
49 Correct 678 ms 108064 KB Output is correct
50 Correct 5 ms 10060 KB Output is correct
51 Correct 5 ms 10072 KB Output is correct
52 Correct 5 ms 10060 KB Output is correct
53 Correct 5 ms 10060 KB Output is correct
54 Correct 7 ms 10060 KB Output is correct
55 Correct 6 ms 10136 KB Output is correct
56 Correct 7 ms 10140 KB Output is correct
57 Correct 5 ms 10060 KB Output is correct
58 Correct 6 ms 10060 KB Output is correct
59 Correct 5 ms 10060 KB Output is correct
60 Correct 5 ms 10060 KB Output is correct
61 Correct 5 ms 10060 KB Output is correct
62 Correct 5 ms 10060 KB Output is correct
63 Correct 4 ms 10060 KB Output is correct
64 Correct 32 ms 12760 KB Output is correct
65 Correct 56 ms 12748 KB Output is correct
66 Correct 34 ms 12748 KB Output is correct
67 Correct 35 ms 12724 KB Output is correct
68 Correct 22 ms 12680 KB Output is correct
69 Correct 12 ms 12748 KB Output is correct
70 Correct 38 ms 12868 KB Output is correct
71 Correct 31 ms 12840 KB Output is correct
72 Correct 34 ms 12748 KB Output is correct
73 Correct 25 ms 12620 KB Output is correct
74 Incorrect 28 ms 12632 KB Output isn't correct
75 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 5 ms 9676 KB Output is correct
2 Correct 4 ms 9676 KB Output is correct
3 Correct 4 ms 9676 KB Output is correct
4 Correct 5 ms 9676 KB Output is correct
5 Correct 4 ms 9676 KB Output is correct
6 Correct 5 ms 9672 KB Output is correct
7 Correct 5 ms 9676 KB Output is correct
8 Correct 4 ms 9676 KB Output is correct
9 Correct 5 ms 9676 KB Output is correct
10 Correct 4 ms 9680 KB Output is correct
11 Correct 4 ms 9676 KB Output is correct
12 Correct 4 ms 9676 KB Output is correct
13 Correct 4 ms 9676 KB Output is correct
14 Correct 5 ms 9624 KB Output is correct
15 Correct 4 ms 9688 KB Output is correct
16 Correct 6 ms 9676 KB Output is correct
17 Correct 6 ms 9676 KB Output is correct
18 Correct 5 ms 9676 KB Output is correct
19 Correct 5 ms 9932 KB Output is correct
20 Correct 7 ms 11724 KB Output is correct
21 Correct 7 ms 11684 KB Output is correct
22 Correct 166 ms 91836 KB Output is correct
23 Correct 43 ms 48716 KB Output is correct
24 Correct 40 ms 48716 KB Output is correct
25 Correct 30 ms 28204 KB Output is correct
26 Correct 61 ms 28288 KB Output is correct
27 Correct 289 ms 91908 KB Output is correct
28 Correct 20 ms 28236 KB Output is correct
29 Correct 35 ms 28236 KB Output is correct
30 Correct 21 ms 28260 KB Output is correct
31 Correct 25 ms 28264 KB Output is correct
32 Correct 10 ms 11724 KB Output is correct
33 Correct 4 ms 9676 KB Output is correct
34 Correct 12 ms 28236 KB Output is correct
35 Correct 14 ms 28236 KB Output is correct
36 Correct 672 ms 108280 KB Output is correct
37 Correct 695 ms 108264 KB Output is correct
38 Correct 692 ms 108240 KB Output is correct
39 Correct 673 ms 108176 KB Output is correct
40 Correct 671 ms 108136 KB Output is correct
41 Correct 244 ms 108020 KB Output is correct
42 Correct 678 ms 108252 KB Output is correct
43 Correct 713 ms 108132 KB Output is correct
44 Correct 670 ms 108136 KB Output is correct
45 Correct 633 ms 108052 KB Output is correct
46 Correct 638 ms 108080 KB Output is correct
47 Correct 621 ms 107920 KB Output is correct
48 Correct 646 ms 108076 KB Output is correct
49 Correct 678 ms 108064 KB Output is correct
50 Correct 5 ms 10060 KB Output is correct
51 Correct 5 ms 10072 KB Output is correct
52 Correct 5 ms 10060 KB Output is correct
53 Correct 5 ms 10060 KB Output is correct
54 Correct 7 ms 10060 KB Output is correct
55 Correct 6 ms 10136 KB Output is correct
56 Correct 7 ms 10140 KB Output is correct
57 Correct 5 ms 10060 KB Output is correct
58 Correct 6 ms 10060 KB Output is correct
59 Correct 5 ms 10060 KB Output is correct
60 Correct 5 ms 10060 KB Output is correct
61 Correct 5 ms 10060 KB Output is correct
62 Correct 5 ms 10060 KB Output is correct
63 Correct 4 ms 10060 KB Output is correct
64 Correct 32 ms 12760 KB Output is correct
65 Correct 56 ms 12748 KB Output is correct
66 Correct 34 ms 12748 KB Output is correct
67 Correct 35 ms 12724 KB Output is correct
68 Correct 22 ms 12680 KB Output is correct
69 Correct 12 ms 12748 KB Output is correct
70 Correct 38 ms 12868 KB Output is correct
71 Correct 31 ms 12840 KB Output is correct
72 Correct 34 ms 12748 KB Output is correct
73 Correct 25 ms 12620 KB Output is correct
74 Incorrect 28 ms 12632 KB Output isn't correct
75 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 5 ms 9676 KB Output is correct
2 Correct 4 ms 9676 KB Output is correct
3 Correct 4 ms 9676 KB Output is correct
4 Correct 5 ms 9676 KB Output is correct
5 Correct 4 ms 9676 KB Output is correct
6 Correct 5 ms 9672 KB Output is correct
7 Correct 5 ms 9676 KB Output is correct
8 Correct 4 ms 9676 KB Output is correct
9 Correct 5 ms 9676 KB Output is correct
10 Correct 4 ms 9680 KB Output is correct
11 Correct 4 ms 9676 KB Output is correct
12 Correct 4 ms 9676 KB Output is correct
13 Correct 4 ms 9676 KB Output is correct
14 Correct 5 ms 9624 KB Output is correct
15 Correct 4 ms 9688 KB Output is correct
16 Correct 6 ms 9676 KB Output is correct
17 Correct 6 ms 9676 KB Output is correct
18 Correct 5 ms 9676 KB Output is correct
19 Correct 5 ms 9932 KB Output is correct
20 Correct 7 ms 11724 KB Output is correct
21 Correct 7 ms 11684 KB Output is correct
22 Correct 166 ms 91836 KB Output is correct
23 Correct 43 ms 48716 KB Output is correct
24 Correct 40 ms 48716 KB Output is correct
25 Correct 30 ms 28204 KB Output is correct
26 Correct 61 ms 28288 KB Output is correct
27 Correct 289 ms 91908 KB Output is correct
28 Correct 20 ms 28236 KB Output is correct
29 Correct 35 ms 28236 KB Output is correct
30 Correct 21 ms 28260 KB Output is correct
31 Correct 25 ms 28264 KB Output is correct
32 Correct 10 ms 11724 KB Output is correct
33 Correct 4 ms 9676 KB Output is correct
34 Correct 12 ms 28236 KB Output is correct
35 Correct 14 ms 28236 KB Output is correct
36 Correct 672 ms 108280 KB Output is correct
37 Correct 695 ms 108264 KB Output is correct
38 Correct 692 ms 108240 KB Output is correct
39 Correct 673 ms 108176 KB Output is correct
40 Correct 671 ms 108136 KB Output is correct
41 Correct 244 ms 108020 KB Output is correct
42 Correct 678 ms 108252 KB Output is correct
43 Correct 713 ms 108132 KB Output is correct
44 Correct 670 ms 108136 KB Output is correct
45 Correct 633 ms 108052 KB Output is correct
46 Correct 638 ms 108080 KB Output is correct
47 Correct 621 ms 107920 KB Output is correct
48 Correct 646 ms 108076 KB Output is correct
49 Correct 678 ms 108064 KB Output is correct
50 Correct 5 ms 10060 KB Output is correct
51 Correct 5 ms 10072 KB Output is correct
52 Correct 5 ms 10060 KB Output is correct
53 Correct 5 ms 10060 KB Output is correct
54 Correct 7 ms 10060 KB Output is correct
55 Correct 6 ms 10136 KB Output is correct
56 Correct 7 ms 10140 KB Output is correct
57 Correct 5 ms 10060 KB Output is correct
58 Correct 6 ms 10060 KB Output is correct
59 Correct 5 ms 10060 KB Output is correct
60 Correct 5 ms 10060 KB Output is correct
61 Correct 5 ms 10060 KB Output is correct
62 Correct 5 ms 10060 KB Output is correct
63 Correct 4 ms 10060 KB Output is correct
64 Correct 32 ms 12760 KB Output is correct
65 Correct 56 ms 12748 KB Output is correct
66 Correct 34 ms 12748 KB Output is correct
67 Correct 35 ms 12724 KB Output is correct
68 Correct 22 ms 12680 KB Output is correct
69 Correct 12 ms 12748 KB Output is correct
70 Correct 38 ms 12868 KB Output is correct
71 Correct 31 ms 12840 KB Output is correct
72 Correct 34 ms 12748 KB Output is correct
73 Correct 25 ms 12620 KB Output is correct
74 Incorrect 28 ms 12632 KB Output isn't correct
75 Halted 0 ms 0 KB -