Submission #525756

# Submission time Handle Problem Language Result Execution time Memory
525756 2022-02-12T19:25:46 Z mjhmjh1104 Mountains and Valleys (CCO20_day1problem3) C++17
11 / 25
709 ms 108384 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 ((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 5 ms 9676 KB Output is correct
3 Correct 4 ms 9660 KB Output is correct
4 Correct 5 ms 9676 KB Output is correct
5 Correct 4 ms 9676 KB Output is correct
6 Correct 4 ms 9676 KB Output is correct
7 Correct 7 ms 9676 KB Output is correct
8 Correct 5 ms 9676 KB Output is correct
9 Correct 5 ms 9676 KB Output is correct
10 Correct 5 ms 9676 KB Output is correct
11 Correct 5 ms 9676 KB Output is correct
12 Correct 4 ms 9676 KB Output is correct
13 Correct 4 ms 9620 KB Output is correct
14 Correct 4 ms 9676 KB Output is correct
15 Correct 5 ms 9676 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 9676 KB Output is correct
2 Correct 5 ms 9676 KB Output is correct
3 Correct 4 ms 9660 KB Output is correct
4 Correct 5 ms 9676 KB Output is correct
5 Correct 4 ms 9676 KB Output is correct
6 Correct 4 ms 9676 KB Output is correct
7 Correct 7 ms 9676 KB Output is correct
8 Correct 5 ms 9676 KB Output is correct
9 Correct 5 ms 9676 KB Output is correct
10 Correct 5 ms 9676 KB Output is correct
11 Correct 5 ms 9676 KB Output is correct
12 Correct 4 ms 9676 KB Output is correct
13 Correct 4 ms 9620 KB Output is correct
14 Correct 4 ms 9676 KB Output is correct
15 Correct 5 ms 9676 KB Output is correct
16 Correct 4 ms 9676 KB Output is correct
17 Correct 4 ms 9676 KB Output is correct
18 Correct 5 ms 9796 KB Output is correct
19 Correct 5 ms 9932 KB Output is correct
20 Correct 5 ms 11596 KB Output is correct
21 Correct 6 ms 11616 KB Output is correct
22 Correct 178 ms 91908 KB Output is correct
23 Correct 44 ms 48716 KB Output is correct
24 Correct 37 ms 48792 KB Output is correct
25 Correct 31 ms 28256 KB Output is correct
26 Correct 55 ms 28248 KB Output is correct
27 Correct 268 ms 91912 KB Output is correct
28 Correct 18 ms 28236 KB Output is correct
29 Correct 35 ms 28248 KB Output is correct
30 Correct 23 ms 28160 KB Output is correct
31 Correct 28 ms 28244 KB Output is correct
32 Correct 11 ms 11724 KB Output is correct
33 Correct 5 ms 9676 KB Output is correct
34 Correct 12 ms 28236 KB Output is correct
35 Correct 12 ms 28236 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 662 ms 108324 KB Output is correct
2 Correct 681 ms 108248 KB Output is correct
3 Correct 661 ms 108308 KB Output is correct
4 Correct 658 ms 108236 KB Output is correct
5 Correct 654 ms 108100 KB Output is correct
6 Correct 236 ms 108004 KB Output is correct
7 Correct 645 ms 108384 KB Output is correct
8 Correct 709 ms 108100 KB Output is correct
9 Correct 680 ms 108228 KB Output is correct
10 Correct 675 ms 108144 KB Output is correct
11 Correct 660 ms 108124 KB Output is correct
12 Correct 658 ms 107932 KB Output is correct
13 Correct 670 ms 108020 KB Output is correct
14 Correct 622 ms 108004 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 9676 KB Output is correct
2 Correct 5 ms 9676 KB Output is correct
3 Correct 4 ms 9660 KB Output is correct
4 Correct 5 ms 9676 KB Output is correct
5 Correct 4 ms 9676 KB Output is correct
6 Correct 4 ms 9676 KB Output is correct
7 Correct 7 ms 9676 KB Output is correct
8 Correct 5 ms 9676 KB Output is correct
9 Correct 5 ms 9676 KB Output is correct
10 Correct 5 ms 9676 KB Output is correct
11 Correct 5 ms 9676 KB Output is correct
12 Correct 4 ms 9676 KB Output is correct
13 Correct 4 ms 9620 KB Output is correct
14 Correct 4 ms 9676 KB Output is correct
15 Correct 5 ms 9676 KB Output is correct
16 Correct 4 ms 9676 KB Output is correct
17 Correct 4 ms 9676 KB Output is correct
18 Correct 5 ms 9796 KB Output is correct
19 Correct 5 ms 9932 KB Output is correct
20 Correct 5 ms 11596 KB Output is correct
21 Correct 6 ms 11616 KB Output is correct
22 Correct 178 ms 91908 KB Output is correct
23 Correct 44 ms 48716 KB Output is correct
24 Correct 37 ms 48792 KB Output is correct
25 Correct 31 ms 28256 KB Output is correct
26 Correct 55 ms 28248 KB Output is correct
27 Correct 268 ms 91912 KB Output is correct
28 Correct 18 ms 28236 KB Output is correct
29 Correct 35 ms 28248 KB Output is correct
30 Correct 23 ms 28160 KB Output is correct
31 Correct 28 ms 28244 KB Output is correct
32 Correct 11 ms 11724 KB Output is correct
33 Correct 5 ms 9676 KB Output is correct
34 Correct 12 ms 28236 KB Output is correct
35 Correct 12 ms 28236 KB Output is correct
36 Correct 5 ms 10060 KB Output is correct
37 Correct 5 ms 10088 KB Output is correct
38 Correct 6 ms 10060 KB Output is correct
39 Correct 6 ms 10060 KB Output is correct
40 Correct 7 ms 10060 KB Output is correct
41 Correct 5 ms 10060 KB Output is correct
42 Correct 6 ms 10060 KB Output is correct
43 Correct 6 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 10020 KB Output is correct
47 Correct 5 ms 10060 KB Output is correct
48 Correct 5 ms 10060 KB Output is correct
49 Correct 5 ms 10060 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 9676 KB Output is correct
2 Correct 5 ms 9676 KB Output is correct
3 Correct 4 ms 9660 KB Output is correct
4 Correct 5 ms 9676 KB Output is correct
5 Correct 4 ms 9676 KB Output is correct
6 Correct 4 ms 9676 KB Output is correct
7 Correct 7 ms 9676 KB Output is correct
8 Correct 5 ms 9676 KB Output is correct
9 Correct 5 ms 9676 KB Output is correct
10 Correct 5 ms 9676 KB Output is correct
11 Correct 5 ms 9676 KB Output is correct
12 Correct 4 ms 9676 KB Output is correct
13 Correct 4 ms 9620 KB Output is correct
14 Correct 4 ms 9676 KB Output is correct
15 Correct 5 ms 9676 KB Output is correct
16 Correct 4 ms 9676 KB Output is correct
17 Correct 4 ms 9676 KB Output is correct
18 Correct 5 ms 9796 KB Output is correct
19 Correct 5 ms 9932 KB Output is correct
20 Correct 5 ms 11596 KB Output is correct
21 Correct 6 ms 11616 KB Output is correct
22 Correct 178 ms 91908 KB Output is correct
23 Correct 44 ms 48716 KB Output is correct
24 Correct 37 ms 48792 KB Output is correct
25 Correct 31 ms 28256 KB Output is correct
26 Correct 55 ms 28248 KB Output is correct
27 Correct 268 ms 91912 KB Output is correct
28 Correct 18 ms 28236 KB Output is correct
29 Correct 35 ms 28248 KB Output is correct
30 Correct 23 ms 28160 KB Output is correct
31 Correct 28 ms 28244 KB Output is correct
32 Correct 11 ms 11724 KB Output is correct
33 Correct 5 ms 9676 KB Output is correct
34 Correct 12 ms 28236 KB Output is correct
35 Correct 12 ms 28236 KB Output is correct
36 Correct 5 ms 10060 KB Output is correct
37 Correct 5 ms 10088 KB Output is correct
38 Correct 6 ms 10060 KB Output is correct
39 Correct 6 ms 10060 KB Output is correct
40 Correct 7 ms 10060 KB Output is correct
41 Correct 5 ms 10060 KB Output is correct
42 Correct 6 ms 10060 KB Output is correct
43 Correct 6 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 10020 KB Output is correct
47 Correct 5 ms 10060 KB Output is correct
48 Correct 5 ms 10060 KB Output is correct
49 Correct 5 ms 10060 KB Output is correct
50 Correct 32 ms 12748 KB Output is correct
51 Correct 54 ms 12756 KB Output is correct
52 Correct 35 ms 12748 KB Output is correct
53 Correct 27 ms 12740 KB Output is correct
54 Correct 25 ms 12688 KB Output is correct
55 Correct 11 ms 12748 KB Output is correct
56 Correct 34 ms 12748 KB Output is correct
57 Correct 30 ms 12680 KB Output is correct
58 Correct 34 ms 12760 KB Output is correct
59 Correct 25 ms 12620 KB Output is correct
60 Incorrect 28 ms 12724 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 5 ms 9676 KB Output is correct
3 Correct 4 ms 9660 KB Output is correct
4 Correct 5 ms 9676 KB Output is correct
5 Correct 4 ms 9676 KB Output is correct
6 Correct 4 ms 9676 KB Output is correct
7 Correct 7 ms 9676 KB Output is correct
8 Correct 5 ms 9676 KB Output is correct
9 Correct 5 ms 9676 KB Output is correct
10 Correct 5 ms 9676 KB Output is correct
11 Correct 5 ms 9676 KB Output is correct
12 Correct 4 ms 9676 KB Output is correct
13 Correct 4 ms 9620 KB Output is correct
14 Correct 4 ms 9676 KB Output is correct
15 Correct 5 ms 9676 KB Output is correct
16 Correct 4 ms 9676 KB Output is correct
17 Correct 4 ms 9676 KB Output is correct
18 Correct 5 ms 9796 KB Output is correct
19 Correct 5 ms 9932 KB Output is correct
20 Correct 5 ms 11596 KB Output is correct
21 Correct 6 ms 11616 KB Output is correct
22 Correct 178 ms 91908 KB Output is correct
23 Correct 44 ms 48716 KB Output is correct
24 Correct 37 ms 48792 KB Output is correct
25 Correct 31 ms 28256 KB Output is correct
26 Correct 55 ms 28248 KB Output is correct
27 Correct 268 ms 91912 KB Output is correct
28 Correct 18 ms 28236 KB Output is correct
29 Correct 35 ms 28248 KB Output is correct
30 Correct 23 ms 28160 KB Output is correct
31 Correct 28 ms 28244 KB Output is correct
32 Correct 11 ms 11724 KB Output is correct
33 Correct 5 ms 9676 KB Output is correct
34 Correct 12 ms 28236 KB Output is correct
35 Correct 12 ms 28236 KB Output is correct
36 Correct 662 ms 108324 KB Output is correct
37 Correct 681 ms 108248 KB Output is correct
38 Correct 661 ms 108308 KB Output is correct
39 Correct 658 ms 108236 KB Output is correct
40 Correct 654 ms 108100 KB Output is correct
41 Correct 236 ms 108004 KB Output is correct
42 Correct 645 ms 108384 KB Output is correct
43 Correct 709 ms 108100 KB Output is correct
44 Correct 680 ms 108228 KB Output is correct
45 Correct 675 ms 108144 KB Output is correct
46 Correct 660 ms 108124 KB Output is correct
47 Correct 658 ms 107932 KB Output is correct
48 Correct 670 ms 108020 KB Output is correct
49 Correct 622 ms 108004 KB Output is correct
50 Correct 5 ms 10060 KB Output is correct
51 Correct 5 ms 10088 KB Output is correct
52 Correct 6 ms 10060 KB Output is correct
53 Correct 6 ms 10060 KB Output is correct
54 Correct 7 ms 10060 KB Output is correct
55 Correct 5 ms 10060 KB Output is correct
56 Correct 6 ms 10060 KB Output is correct
57 Correct 6 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 10020 KB Output is correct
61 Correct 5 ms 10060 KB Output is correct
62 Correct 5 ms 10060 KB Output is correct
63 Correct 5 ms 10060 KB Output is correct
64 Correct 32 ms 12748 KB Output is correct
65 Correct 54 ms 12756 KB Output is correct
66 Correct 35 ms 12748 KB Output is correct
67 Correct 27 ms 12740 KB Output is correct
68 Correct 25 ms 12688 KB Output is correct
69 Correct 11 ms 12748 KB Output is correct
70 Correct 34 ms 12748 KB Output is correct
71 Correct 30 ms 12680 KB Output is correct
72 Correct 34 ms 12760 KB Output is correct
73 Correct 25 ms 12620 KB Output is correct
74 Incorrect 28 ms 12724 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 5 ms 9676 KB Output is correct
3 Correct 4 ms 9660 KB Output is correct
4 Correct 5 ms 9676 KB Output is correct
5 Correct 4 ms 9676 KB Output is correct
6 Correct 4 ms 9676 KB Output is correct
7 Correct 7 ms 9676 KB Output is correct
8 Correct 5 ms 9676 KB Output is correct
9 Correct 5 ms 9676 KB Output is correct
10 Correct 5 ms 9676 KB Output is correct
11 Correct 5 ms 9676 KB Output is correct
12 Correct 4 ms 9676 KB Output is correct
13 Correct 4 ms 9620 KB Output is correct
14 Correct 4 ms 9676 KB Output is correct
15 Correct 5 ms 9676 KB Output is correct
16 Correct 4 ms 9676 KB Output is correct
17 Correct 4 ms 9676 KB Output is correct
18 Correct 5 ms 9796 KB Output is correct
19 Correct 5 ms 9932 KB Output is correct
20 Correct 5 ms 11596 KB Output is correct
21 Correct 6 ms 11616 KB Output is correct
22 Correct 178 ms 91908 KB Output is correct
23 Correct 44 ms 48716 KB Output is correct
24 Correct 37 ms 48792 KB Output is correct
25 Correct 31 ms 28256 KB Output is correct
26 Correct 55 ms 28248 KB Output is correct
27 Correct 268 ms 91912 KB Output is correct
28 Correct 18 ms 28236 KB Output is correct
29 Correct 35 ms 28248 KB Output is correct
30 Correct 23 ms 28160 KB Output is correct
31 Correct 28 ms 28244 KB Output is correct
32 Correct 11 ms 11724 KB Output is correct
33 Correct 5 ms 9676 KB Output is correct
34 Correct 12 ms 28236 KB Output is correct
35 Correct 12 ms 28236 KB Output is correct
36 Correct 662 ms 108324 KB Output is correct
37 Correct 681 ms 108248 KB Output is correct
38 Correct 661 ms 108308 KB Output is correct
39 Correct 658 ms 108236 KB Output is correct
40 Correct 654 ms 108100 KB Output is correct
41 Correct 236 ms 108004 KB Output is correct
42 Correct 645 ms 108384 KB Output is correct
43 Correct 709 ms 108100 KB Output is correct
44 Correct 680 ms 108228 KB Output is correct
45 Correct 675 ms 108144 KB Output is correct
46 Correct 660 ms 108124 KB Output is correct
47 Correct 658 ms 107932 KB Output is correct
48 Correct 670 ms 108020 KB Output is correct
49 Correct 622 ms 108004 KB Output is correct
50 Correct 5 ms 10060 KB Output is correct
51 Correct 5 ms 10088 KB Output is correct
52 Correct 6 ms 10060 KB Output is correct
53 Correct 6 ms 10060 KB Output is correct
54 Correct 7 ms 10060 KB Output is correct
55 Correct 5 ms 10060 KB Output is correct
56 Correct 6 ms 10060 KB Output is correct
57 Correct 6 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 10020 KB Output is correct
61 Correct 5 ms 10060 KB Output is correct
62 Correct 5 ms 10060 KB Output is correct
63 Correct 5 ms 10060 KB Output is correct
64 Correct 32 ms 12748 KB Output is correct
65 Correct 54 ms 12756 KB Output is correct
66 Correct 35 ms 12748 KB Output is correct
67 Correct 27 ms 12740 KB Output is correct
68 Correct 25 ms 12688 KB Output is correct
69 Correct 11 ms 12748 KB Output is correct
70 Correct 34 ms 12748 KB Output is correct
71 Correct 30 ms 12680 KB Output is correct
72 Correct 34 ms 12760 KB Output is correct
73 Correct 25 ms 12620 KB Output is correct
74 Incorrect 28 ms 12724 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 5 ms 9676 KB Output is correct
3 Correct 4 ms 9660 KB Output is correct
4 Correct 5 ms 9676 KB Output is correct
5 Correct 4 ms 9676 KB Output is correct
6 Correct 4 ms 9676 KB Output is correct
7 Correct 7 ms 9676 KB Output is correct
8 Correct 5 ms 9676 KB Output is correct
9 Correct 5 ms 9676 KB Output is correct
10 Correct 5 ms 9676 KB Output is correct
11 Correct 5 ms 9676 KB Output is correct
12 Correct 4 ms 9676 KB Output is correct
13 Correct 4 ms 9620 KB Output is correct
14 Correct 4 ms 9676 KB Output is correct
15 Correct 5 ms 9676 KB Output is correct
16 Correct 4 ms 9676 KB Output is correct
17 Correct 4 ms 9676 KB Output is correct
18 Correct 5 ms 9796 KB Output is correct
19 Correct 5 ms 9932 KB Output is correct
20 Correct 5 ms 11596 KB Output is correct
21 Correct 6 ms 11616 KB Output is correct
22 Correct 178 ms 91908 KB Output is correct
23 Correct 44 ms 48716 KB Output is correct
24 Correct 37 ms 48792 KB Output is correct
25 Correct 31 ms 28256 KB Output is correct
26 Correct 55 ms 28248 KB Output is correct
27 Correct 268 ms 91912 KB Output is correct
28 Correct 18 ms 28236 KB Output is correct
29 Correct 35 ms 28248 KB Output is correct
30 Correct 23 ms 28160 KB Output is correct
31 Correct 28 ms 28244 KB Output is correct
32 Correct 11 ms 11724 KB Output is correct
33 Correct 5 ms 9676 KB Output is correct
34 Correct 12 ms 28236 KB Output is correct
35 Correct 12 ms 28236 KB Output is correct
36 Correct 662 ms 108324 KB Output is correct
37 Correct 681 ms 108248 KB Output is correct
38 Correct 661 ms 108308 KB Output is correct
39 Correct 658 ms 108236 KB Output is correct
40 Correct 654 ms 108100 KB Output is correct
41 Correct 236 ms 108004 KB Output is correct
42 Correct 645 ms 108384 KB Output is correct
43 Correct 709 ms 108100 KB Output is correct
44 Correct 680 ms 108228 KB Output is correct
45 Correct 675 ms 108144 KB Output is correct
46 Correct 660 ms 108124 KB Output is correct
47 Correct 658 ms 107932 KB Output is correct
48 Correct 670 ms 108020 KB Output is correct
49 Correct 622 ms 108004 KB Output is correct
50 Correct 5 ms 10060 KB Output is correct
51 Correct 5 ms 10088 KB Output is correct
52 Correct 6 ms 10060 KB Output is correct
53 Correct 6 ms 10060 KB Output is correct
54 Correct 7 ms 10060 KB Output is correct
55 Correct 5 ms 10060 KB Output is correct
56 Correct 6 ms 10060 KB Output is correct
57 Correct 6 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 10020 KB Output is correct
61 Correct 5 ms 10060 KB Output is correct
62 Correct 5 ms 10060 KB Output is correct
63 Correct 5 ms 10060 KB Output is correct
64 Correct 32 ms 12748 KB Output is correct
65 Correct 54 ms 12756 KB Output is correct
66 Correct 35 ms 12748 KB Output is correct
67 Correct 27 ms 12740 KB Output is correct
68 Correct 25 ms 12688 KB Output is correct
69 Correct 11 ms 12748 KB Output is correct
70 Correct 34 ms 12748 KB Output is correct
71 Correct 30 ms 12680 KB Output is correct
72 Correct 34 ms 12760 KB Output is correct
73 Correct 25 ms 12620 KB Output is correct
74 Incorrect 28 ms 12724 KB Output isn't correct
75 Halted 0 ms 0 KB -