oj.uz

Submission #1102807

# Submission time Handle Problem Language Result Execution time Memory
1102807 2024-10-19T03:03:38 Z totoro Dreaming (IOI13_dreaming) C++17
100 / 100
 151 ms 21528 KB 
// SOLVED   SUBTASK 1 (14 pts)
// SOLVED   SUBTASK 2 (10 pts)
// SOLVED   SUBTASK 3 (23 pts)
// UNSOLVED SUBTASK 4 (18 pts)
// UNSOLVED SUBTASK 5 (12 pts)
// UNSOLVED SUBTASK 6 (23 pts)
// [+-+]----------------------
// TOTAL      47/100 pts

#include "dreaming.h"

#include <algorithm>
#include <iostream>
#include <queue>
#include <unordered_map>
#include <unordered_set>
#include <vector>

struct Edge {
    int from;
    int to;
    int length;
    Edge(int from, int to, int length) : from(from), to(to), length(length) {}
    Edge() : from(-1), to(-1), length(-1) {}
};
bool operator<(const Edge& a, const Edge& b) {
    return a.from < b.from;
}

int farthest_node(const std::vector<std::vector<Edge>>& tree, int a) {
    std::unordered_set<int> visited;
    std::priority_queue<std::pair<int, int>, std::vector<std::pair<int, int>>, std::greater<std::pair<int, int>>> q;
    q.emplace(0, a);
    int last;
    while (!q.empty()) {
        auto el = q.top();
        q.pop();
        if (visited.count(el.second)) continue;
        visited.insert(el.second);
        for (auto edge : tree[el.second]) {
            q.emplace(el.first + edge.length, edge.to);
        }
        last = el.second;
    }
    return last;
}

std::vector<Edge> dijkstra_path(const std::vector<std::vector<Edge>>& tree, int a, int b) {
    std::unordered_set<int> visited;
    std::priority_queue<std::pair<int, Edge>> q;
    Edge dummy = Edge(-1, a, -1);
    q.emplace(0, dummy);
    std::unordered_map<int, Edge> from;
    while (!q.empty() && q.top().second.to != b) {
        auto el = q.top();
        q.pop();
        if (visited.count(el.second.to)) continue;
        visited.insert(el.second.to);
        from[el.second.to] = el.second;
        for (auto edge : tree[el.second.to]) {
            q.emplace(el.first + edge.length, edge);
        }
    }
    if (q.empty()) return {};
    from[b] = q.top().second;
    std::vector<Edge> path;
    int current = b;
    while (current != a) {
        path.push_back(from[current]);
        current = from[current].from;
    }
    return path;
}

int travelTime(int N, int M, int L, int A[], int B[], int T[]) {
    std::vector<std::vector<Edge>> tree(N);
    for (int i = 0; i < M; ++i) {
        tree[A[i]].emplace_back(A[i], B[i], T[i]);
        tree[B[i]].emplace_back(B[i], A[i], T[i]);
    }
    // std::cout << "finished init" << std::endl;
    // floodfill
    std::vector<int> color(N);
    std::vector<int> parents;
    int current = 1;
    for (int i = 0; i < N; ++i) {
        if (color[i]) continue;
        parents.push_back(i);
        std::vector<int> stack;
        stack.push_back(i);
        while (!stack.empty()) {
            int back = stack.back();
            stack.pop_back();
            if (color[back]) continue;
            color[back] = current;
            for (auto edge : tree[back]) {
                stack.push_back(edge.to);
            }
        }
        ++current;
    }
    // std::cout << "finished floodfill" << std::endl;

    // radius and centers
    std::vector<int> radii(parents.size());
    int sp = 0;
    int largest_diameter = 0;
    for (auto parent : parents) {
        int b = farthest_node(tree, parent);
        int a = farthest_node(tree, b);
        if (a == b) {
            radii[sp++] = 0;
            continue;
        }
        auto diameter = dijkstra_path(tree, b, a);
        int sum = 0;
        for (auto edge : diameter) {
            sum += edge.length;
        }
        largest_diameter = std::max(largest_diameter, sum);
        int small_sum = 0;
        int i = 0;
        while (i < diameter.size() && small_sum <= sum / 2) {
            small_sum += diameter[i++].length;
        }
        if (sum - small_sum + diameter[i - 1].length < small_sum) {
            small_sum = sum - small_sum + diameter[i - 1].length;
        }
        radii[sp++] = small_sum;
        // if (sp % 100 == 0) {
        //     std::cout << "finished " << sp << " rads" << std::endl;
        // }
    }
    // std::cout << "finished rads" << std::endl;

    if (radii.size() < 2) {
        return largest_diameter;
    }
    std::sort(radii.rbegin(), radii.rend());
    // std::cout << "finished sorting" << std::endl;
    long long max = std::max(largest_diameter, radii[0] + L + radii[1]);
    if (radii.size() > 2) {
        max = std::max(max, (long long)L + L + radii[1] + radii[2]);
    }
    return max;
}

Compilation message

dreaming.cpp: In function 'int travelTime(int, int, int, int*, int*, int*)':
dreaming.cpp:123:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  123 |         while (i < diameter.size() && small_sum <= sum / 2) {
      |                ~~^~~~~~~~~~~~~~~~~
dreaming.cpp: In function 'int farthest_node(const std::vector<std::vector<Edge> >&, int)':
dreaming.cpp:45:12: warning: 'last' may be used uninitialized in this function [-Wmaybe-uninitialized]
   45 |     return last;
      |            ^~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 103 ms 18576 KB Output is correct
2 Correct 97 ms 19572 KB Output is correct
3 Correct 72 ms 12220 KB Output is correct
4 Correct 13 ms 2988 KB Output is correct
5 Correct 10 ms 1872 KB Output is correct
6 Correct 21 ms 4136 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 45 ms 6652 KB Output is correct
9 Correct 57 ms 9224 KB Output is correct
10 Correct 1 ms 592 KB Output is correct
11 Correct 93 ms 12184 KB Output is correct
12 Correct 94 ms 15544 KB Output is correct
13 Correct 1 ms 592 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 2 ms 336 KB Output is correct
24 Correct 1 ms 504 KB Output is correct
25 Correct 1 ms 336 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 103 ms 18576 KB Output is correct
2 Correct 97 ms 19572 KB Output is correct
3 Correct 72 ms 12220 KB Output is correct
4 Correct 13 ms 2988 KB Output is correct
5 Correct 10 ms 1872 KB Output is correct
6 Correct 21 ms 4136 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 45 ms 6652 KB Output is correct
9 Correct 57 ms 9224 KB Output is correct
10 Correct 1 ms 592 KB Output is correct
11 Correct 93 ms 12184 KB Output is correct
12 Correct 94 ms 15544 KB Output is correct
13 Correct 1 ms 592 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 1 ms 336 KB Output is correct
27 Correct 1 ms 336 KB Output is correct
28 Correct 1 ms 336 KB Output is correct
29 Correct 1 ms 336 KB Output is correct
30 Correct 1 ms 336 KB Output is correct
31 Correct 1 ms 336 KB Output is correct
32 Correct 1 ms 336 KB Output is correct
33 Correct 1 ms 336 KB Output is correct
34 Correct 1 ms 336 KB Output is correct
35 Correct 1 ms 336 KB Output is correct
36 Correct 2 ms 336 KB Output is correct
37 Correct 1 ms 504 KB Output is correct
38 Correct 1 ms 336 KB Output is correct
39 Correct 105 ms 19936 KB Output is correct
40 Correct 97 ms 20084 KB Output is correct
41 Correct 68 ms 12236 KB Output is correct
42 Correct 14 ms 2988 KB Output is correct
43 Correct 1 ms 336 KB Output is correct
44 Correct 1 ms 336 KB Output is correct
45 Correct 1 ms 336 KB Output is correct
46 Correct 1 ms 336 KB Output is correct
47 Correct 1 ms 336 KB Output is correct
48 Correct 1 ms 504 KB Output is correct
49 Correct 1 ms 336 KB Output is correct
50 Correct 1 ms 336 KB Output is correct
51 Correct 1 ms 336 KB Output is correct
52 Correct 1 ms 336 KB Output is correct
53 Correct 1 ms 336 KB Output is correct
54 Correct 1 ms 336 KB Output is correct
55 Correct 1 ms 504 KB Output is correct
56 Correct 1 ms 336 KB Output is correct
57 Correct 113 ms 13932 KB Output is correct
58 Correct 150 ms 12476 KB Output is correct
59 Correct 121 ms 14448 KB Output is correct
60 Correct 105 ms 12220 KB Output is correct
61 Correct 132 ms 13584 KB Output is correct
62 Correct 128 ms 12692 KB Output is correct
63 Correct 140 ms 14236 KB Output is correct
64 Correct 145 ms 16060 KB Output is correct
65 Correct 123 ms 15012 KB Output is correct
66 Correct 114 ms 14928 KB Output is correct
67 Correct 114 ms 14612 KB Output is correct
68 Correct 117 ms 12964 KB Output is correct
69 Correct 108 ms 12236 KB Output is correct
70 Correct 105 ms 12568 KB Output is correct
71 Correct 1 ms 336 KB Output is correct
72 Correct 3 ms 712 KB Output is correct
73 Correct 3 ms 848 KB Output is correct
74 Correct 3 ms 752 KB Output is correct
75 Correct 5 ms 592 KB Output is correct
76 Correct 4 ms 848 KB Output is correct
77 Correct 5 ms 848 KB Output is correct
78 Correct 3 ms 592 KB Output is correct
79 Correct 3 ms 592 KB Output is correct
80 Correct 116 ms 12452 KB Output is correct
81 Correct 114 ms 12192 KB Output is correct
82 Correct 113 ms 14204 KB Output is correct
83 Correct 126 ms 14720 KB Output is correct
84 Correct 3 ms 592 KB Output is correct
85 Correct 3 ms 592 KB Output is correct
86 Correct 3 ms 592 KB Output is correct
87 Correct 3 ms 608 KB Output is correct
88 Correct 3 ms 592 KB Output is correct
89 Correct 3 ms 592 KB Output is correct
90 Correct 3 ms 592 KB Output is correct
91 Correct 4 ms 848 KB Output is correct
92 Correct 3 ms 592 KB Output is correct
93 Correct 3 ms 592 KB Output is correct
94 Correct 1 ms 336 KB Output is correct
95 Correct 1 ms 336 KB Output is correct
96 Correct 1 ms 336 KB Output is correct
97 Correct 1 ms 336 KB Output is correct
98 Correct 1 ms 336 KB Output is correct
99 Correct 1 ms 336 KB Output is correct
100 Correct 1 ms 336 KB Output is correct
101 Correct 1 ms 560 KB Output is correct
102 Correct 1 ms 336 KB Output is correct
103 Correct 1 ms 336 KB Output is correct
104 Correct 12 ms 1884 KB Output is correct
105 Correct 22 ms 4328 KB Output is correct
106 Correct 1 ms 336 KB Output is correct
107 Correct 46 ms 6612 KB Output is correct
108 Correct 62 ms 8972 KB Output is correct
109 Correct 2 ms 592 KB Output is correct
110 Correct 88 ms 12568 KB Output is correct
111 Correct 99 ms 15724 KB Output is correct
112 Correct 2 ms 592 KB Output is correct
113 Correct 128 ms 21516 KB Output is correct

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 88 ms 6356 KB Output is correct
2 Correct 74 ms 6548 KB Output is correct
3 Correct 74 ms 6336 KB Output is correct
4 Correct 77 ms 6356 KB Output is correct
5 Correct 61 ms 6356 KB Output is correct
6 Correct 88 ms 6616 KB Output is correct
7 Correct 76 ms 6616 KB Output is correct
8 Correct 74 ms 6104 KB Output is correct
9 Correct 77 ms 6096 KB Output is correct
10 Correct 74 ms 6352 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 61 ms 4044 KB Output is correct
13 Correct 65 ms 4044 KB Output is correct
14 Correct 55 ms 4044 KB Output is correct
15 Correct 59 ms 4044 KB Output is correct
16 Correct 62 ms 4044 KB Output is correct
17 Correct 63 ms 4044 KB Output is correct
18 Correct 62 ms 4044 KB Output is correct
19 Correct 63 ms 4044 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 3 ms 340 KB Output is correct
23 Correct 67 ms 4044 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 2 ms 336 KB Output is correct
24 Correct 1 ms 504 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 2 ms 336 KB Output is correct
27 Correct 2 ms 592 KB Output is correct
28 Correct 3 ms 496 KB Output is correct
29 Correct 1 ms 336 KB Output is correct
30 Correct 2 ms 824 KB Output is correct
31 Correct 3 ms 748 KB Output is correct
32 Correct 1 ms 336 KB Output is correct
33 Correct 2 ms 460 KB Output is correct
34 Correct 3 ms 592 KB Output is correct
35 Correct 1 ms 336 KB Output is correct
36 Correct 1 ms 336 KB Output is correct
37 Correct 1 ms 504 KB Output is correct
38 Correct 1 ms 504 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 1 ms 336 KB Output is correct
41 Correct 1 ms 336 KB Output is correct
42 Correct 1 ms 336 KB Output is correct
43 Correct 1 ms 336 KB Output is correct
44 Correct 1 ms 336 KB Output is correct
45 Correct 1 ms 336 KB Output is correct
46 Correct 1 ms 336 KB Output is correct
47 Correct 1 ms 336 KB Output is correct
48 Correct 1 ms 336 KB Output is correct
49 Correct 1 ms 336 KB Output is correct
50 Correct 1 ms 336 KB Output is correct
51 Correct 1 ms 336 KB Output is correct
52 Correct 1 ms 336 KB Output is correct
53 Correct 1 ms 336 KB Output is correct
54 Correct 3 ms 848 KB Output is correct
55 Correct 4 ms 1016 KB Output is correct
56 Correct 3 ms 680 KB Output is correct
57 Correct 3 ms 604 KB Output is correct
58 Correct 3 ms 592 KB Output is correct
59 Correct 3 ms 712 KB Output is correct
60 Correct 3 ms 592 KB Output is correct
61 Correct 3 ms 760 KB Output is correct
62 Correct 4 ms 604 KB Output is correct
63 Correct 3 ms 712 KB Output is correct
64 Correct 3 ms 336 KB Output is correct
65 Correct 4 ms 592 KB Output is correct
66 Correct 3 ms 848 KB Output is correct
67 Correct 5 ms 840 KB Output is correct
68 Correct 3 ms 460 KB Output is correct
69 Correct 3 ms 592 KB Output is correct
70 Correct 3 ms 592 KB Output is correct
71 Correct 3 ms 592 KB Output is correct
72 Correct 5 ms 848 KB Output is correct
73 Correct 4 ms 848 KB Output is correct
74 Correct 4 ms 508 KB Output is correct
75 Correct 4 ms 592 KB Output is correct
76 Correct 4 ms 592 KB Output is correct
77 Correct 3 ms 592 KB Output is correct
78 Correct 3 ms 592 KB Output is correct
79 Correct 3 ms 592 KB Output is correct
80 Correct 3 ms 592 KB Output is correct
81 Correct 4 ms 504 KB Output is correct
82 Correct 3 ms 716 KB Output is correct
83 Correct 3 ms 764 KB Output is correct
84 Correct 4 ms 592 KB Output is correct
85 Correct 2 ms 508 KB Output is correct
86 Correct 3 ms 592 KB Output is correct
87 Correct 4 ms 848 KB Output is correct
88 Correct 3 ms 592 KB Output is correct
89 Correct 3 ms 592 KB Output is correct
90 Correct 3 ms 592 KB Output is correct
91 Correct 3 ms 592 KB Output is correct
92 Correct 3 ms 592 KB Output is correct
93 Correct 3 ms 592 KB Output is correct
94 Correct 3 ms 592 KB Output is correct
95 Correct 3 ms 592 KB Output is correct
96 Correct 4 ms 592 KB Output is correct
97 Correct 3 ms 592 KB Output is correct
98 Correct 4 ms 592 KB Output is correct
99 Correct 4 ms 848 KB Output is correct
100 Correct 3 ms 592 KB Output is correct
101 Correct 3 ms 696 KB Output is correct
102 Correct 1 ms 336 KB Output is correct
103 Correct 1 ms 336 KB Output is correct
104 Correct 1 ms 452 KB Output is correct
105 Correct 1 ms 344 KB Output is correct
106 Correct 1 ms 348 KB Output is correct
107 Correct 1 ms 348 KB Output is correct
108 Correct 1 ms 348 KB Output is correct
109 Correct 1 ms 348 KB Output is correct
110 Correct 1 ms 348 KB Output is correct
111 Correct 1 ms 364 KB Output is correct
112 Correct 2 ms 352 KB Output is correct
113 Correct 2 ms 468 KB Output is correct
114 Correct 1 ms 604 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 103 ms 18576 KB Output is correct
2 Correct 97 ms 19572 KB Output is correct
3 Correct 72 ms 12220 KB Output is correct
4 Correct 13 ms 2988 KB Output is correct
5 Correct 10 ms 1872 KB Output is correct
6 Correct 21 ms 4136 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 45 ms 6652 KB Output is correct
9 Correct 57 ms 9224 KB Output is correct
10 Correct 1 ms 592 KB Output is correct
11 Correct 93 ms 12184 KB Output is correct
12 Correct 94 ms 15544 KB Output is correct
13 Correct 1 ms 592 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 1 ms 336 KB Output is correct
27 Correct 1 ms 336 KB Output is correct
28 Correct 1 ms 336 KB Output is correct
29 Correct 1 ms 336 KB Output is correct
30 Correct 1 ms 336 KB Output is correct
31 Correct 1 ms 336 KB Output is correct
32 Correct 1 ms 336 KB Output is correct
33 Correct 1 ms 336 KB Output is correct
34 Correct 1 ms 336 KB Output is correct
35 Correct 1 ms 336 KB Output is correct
36 Correct 2 ms 336 KB Output is correct
37 Correct 1 ms 504 KB Output is correct
38 Correct 1 ms 336 KB Output is correct
39 Correct 105 ms 19936 KB Output is correct
40 Correct 97 ms 20084 KB Output is correct
41 Correct 68 ms 12236 KB Output is correct
42 Correct 14 ms 2988 KB Output is correct
43 Correct 1 ms 336 KB Output is correct
44 Correct 1 ms 336 KB Output is correct
45 Correct 1 ms 336 KB Output is correct
46 Correct 1 ms 336 KB Output is correct
47 Correct 1 ms 336 KB Output is correct
48 Correct 1 ms 504 KB Output is correct
49 Correct 1 ms 336 KB Output is correct
50 Correct 1 ms 336 KB Output is correct
51 Correct 1 ms 336 KB Output is correct
52 Correct 1 ms 336 KB Output is correct
53 Correct 1 ms 336 KB Output is correct
54 Correct 1 ms 336 KB Output is correct
55 Correct 1 ms 504 KB Output is correct
56 Correct 1 ms 336 KB Output is correct
57 Correct 113 ms 13932 KB Output is correct
58 Correct 150 ms 12476 KB Output is correct
59 Correct 121 ms 14448 KB Output is correct
60 Correct 105 ms 12220 KB Output is correct
61 Correct 132 ms 13584 KB Output is correct
62 Correct 128 ms 12692 KB Output is correct
63 Correct 140 ms 14236 KB Output is correct
64 Correct 145 ms 16060 KB Output is correct
65 Correct 123 ms 15012 KB Output is correct
66 Correct 114 ms 14928 KB Output is correct
67 Correct 114 ms 14612 KB Output is correct
68 Correct 117 ms 12964 KB Output is correct
69 Correct 108 ms 12236 KB Output is correct
70 Correct 105 ms 12568 KB Output is correct
71 Correct 1 ms 336 KB Output is correct
72 Correct 3 ms 712 KB Output is correct
73 Correct 3 ms 848 KB Output is correct
74 Correct 3 ms 752 KB Output is correct
75 Correct 5 ms 592 KB Output is correct
76 Correct 4 ms 848 KB Output is correct
77 Correct 5 ms 848 KB Output is correct
78 Correct 3 ms 592 KB Output is correct
79 Correct 3 ms 592 KB Output is correct
80 Correct 116 ms 12452 KB Output is correct
81 Correct 114 ms 12192 KB Output is correct
82 Correct 113 ms 14204 KB Output is correct
83 Correct 126 ms 14720 KB Output is correct
84 Correct 3 ms 592 KB Output is correct
85 Correct 3 ms 592 KB Output is correct
86 Correct 3 ms 592 KB Output is correct
87 Correct 3 ms 608 KB Output is correct
88 Correct 3 ms 592 KB Output is correct
89 Correct 3 ms 592 KB Output is correct
90 Correct 3 ms 592 KB Output is correct
91 Correct 4 ms 848 KB Output is correct
92 Correct 3 ms 592 KB Output is correct
93 Correct 3 ms 592 KB Output is correct
94 Correct 1 ms 336 KB Output is correct
95 Correct 1 ms 336 KB Output is correct
96 Correct 1 ms 336 KB Output is correct
97 Correct 1 ms 336 KB Output is correct
98 Correct 1 ms 336 KB Output is correct
99 Correct 1 ms 336 KB Output is correct
100 Correct 1 ms 336 KB Output is correct
101 Correct 1 ms 560 KB Output is correct
102 Correct 1 ms 336 KB Output is correct
103 Correct 1 ms 336 KB Output is correct
104 Correct 12 ms 1884 KB Output is correct
105 Correct 22 ms 4328 KB Output is correct
106 Correct 1 ms 336 KB Output is correct
107 Correct 46 ms 6612 KB Output is correct
108 Correct 62 ms 8972 KB Output is correct
109 Correct 2 ms 592 KB Output is correct
110 Correct 88 ms 12568 KB Output is correct
111 Correct 99 ms 15724 KB Output is correct
112 Correct 2 ms 592 KB Output is correct
113 Correct 128 ms 21516 KB Output is correct
114 Correct 88 ms 6356 KB Output is correct
115 Correct 74 ms 6548 KB Output is correct
116 Correct 74 ms 6336 KB Output is correct
117 Correct 77 ms 6356 KB Output is correct
118 Correct 61 ms 6356 KB Output is correct
119 Correct 88 ms 6616 KB Output is correct
120 Correct 76 ms 6616 KB Output is correct
121 Correct 74 ms 6104 KB Output is correct
122 Correct 77 ms 6096 KB Output is correct
123 Correct 74 ms 6352 KB Output is correct
124 Correct 1 ms 340 KB Output is correct
125 Correct 61 ms 4044 KB Output is correct
126 Correct 65 ms 4044 KB Output is correct
127 Correct 55 ms 4044 KB Output is correct
128 Correct 59 ms 4044 KB Output is correct
129 Correct 62 ms 4044 KB Output is correct
130 Correct 63 ms 4044 KB Output is correct
131 Correct 62 ms 4044 KB Output is correct
132 Correct 63 ms 4044 KB Output is correct
133 Correct 1 ms 340 KB Output is correct
134 Correct 1 ms 340 KB Output is correct
135 Correct 3 ms 340 KB Output is correct
136 Correct 67 ms 4044 KB Output is correct
137 Correct 2 ms 336 KB Output is correct
138 Correct 2 ms 592 KB Output is correct
139 Correct 3 ms 496 KB Output is correct
140 Correct 1 ms 336 KB Output is correct
141 Correct 2 ms 824 KB Output is correct
142 Correct 3 ms 748 KB Output is correct
143 Correct 1 ms 336 KB Output is correct
144 Correct 2 ms 460 KB Output is correct
145 Correct 3 ms 592 KB Output is correct
146 Correct 1 ms 336 KB Output is correct
147 Correct 1 ms 336 KB Output is correct
148 Correct 1 ms 504 KB Output is correct
149 Correct 1 ms 504 KB Output is correct
150 Correct 1 ms 348 KB Output is correct
151 Correct 1 ms 336 KB Output is correct
152 Correct 1 ms 336 KB Output is correct
153 Correct 1 ms 336 KB Output is correct
154 Correct 1 ms 336 KB Output is correct
155 Correct 1 ms 336 KB Output is correct
156 Correct 1 ms 336 KB Output is correct
157 Correct 1 ms 336 KB Output is correct
158 Correct 1 ms 336 KB Output is correct
159 Correct 1 ms 336 KB Output is correct
160 Correct 1 ms 336 KB Output is correct
161 Correct 1 ms 336 KB Output is correct
162 Correct 1 ms 336 KB Output is correct
163 Correct 1 ms 336 KB Output is correct
164 Correct 1 ms 336 KB Output is correct
165 Correct 3 ms 848 KB Output is correct
166 Correct 4 ms 1016 KB Output is correct
167 Correct 3 ms 680 KB Output is correct
168 Correct 3 ms 604 KB Output is correct
169 Correct 3 ms 592 KB Output is correct
170 Correct 3 ms 712 KB Output is correct
171 Correct 3 ms 592 KB Output is correct
172 Correct 3 ms 760 KB Output is correct
173 Correct 4 ms 604 KB Output is correct
174 Correct 3 ms 712 KB Output is correct
175 Correct 3 ms 336 KB Output is correct
176 Correct 4 ms 592 KB Output is correct
177 Correct 3 ms 848 KB Output is correct
178 Correct 5 ms 840 KB Output is correct
179 Correct 3 ms 460 KB Output is correct
180 Correct 3 ms 592 KB Output is correct
181 Correct 3 ms 592 KB Output is correct
182 Correct 3 ms 592 KB Output is correct
183 Correct 5 ms 848 KB Output is correct
184 Correct 4 ms 848 KB Output is correct
185 Correct 4 ms 508 KB Output is correct
186 Correct 4 ms 592 KB Output is correct
187 Correct 4 ms 592 KB Output is correct
188 Correct 3 ms 592 KB Output is correct
189 Correct 3 ms 592 KB Output is correct
190 Correct 3 ms 592 KB Output is correct
191 Correct 3 ms 592 KB Output is correct
192 Correct 4 ms 504 KB Output is correct
193 Correct 3 ms 716 KB Output is correct
194 Correct 3 ms 764 KB Output is correct
195 Correct 4 ms 592 KB Output is correct
196 Correct 2 ms 508 KB Output is correct
197 Correct 3 ms 592 KB Output is correct
198 Correct 4 ms 848 KB Output is correct
199 Correct 3 ms 592 KB Output is correct
200 Correct 3 ms 592 KB Output is correct
201 Correct 3 ms 592 KB Output is correct
202 Correct 3 ms 592 KB Output is correct
203 Correct 3 ms 592 KB Output is correct
204 Correct 3 ms 592 KB Output is correct
205 Correct 3 ms 592 KB Output is correct
206 Correct 3 ms 592 KB Output is correct
207 Correct 4 ms 592 KB Output is correct
208 Correct 3 ms 592 KB Output is correct
209 Correct 4 ms 592 KB Output is correct
210 Correct 4 ms 848 KB Output is correct
211 Correct 3 ms 592 KB Output is correct
212 Correct 3 ms 696 KB Output is correct
213 Correct 1 ms 336 KB Output is correct
214 Correct 1 ms 336 KB Output is correct
215 Correct 1 ms 452 KB Output is correct
216 Correct 1 ms 344 KB Output is correct
217 Correct 1 ms 348 KB Output is correct
218 Correct 1 ms 348 KB Output is correct
219 Correct 1 ms 348 KB Output is correct
220 Correct 1 ms 348 KB Output is correct
221 Correct 1 ms 348 KB Output is correct
222 Correct 1 ms 364 KB Output is correct
223 Correct 2 ms 352 KB Output is correct
224 Correct 2 ms 468 KB Output is correct
225 Correct 1 ms 604 KB Output is correct
226 Correct 2 ms 352 KB Output is correct
227 Correct 2 ms 500 KB Output is correct
228 Correct 3 ms 608 KB Output is correct
229 Correct 70 ms 7756 KB Output is correct
230 Correct 82 ms 9804 KB Output is correct
231 Correct 2 ms 340 KB Output is correct
232 Correct 3 ms 596 KB Output is correct
233 Correct 3 ms 596 KB Output is correct
234 Correct 68 ms 8024 KB Output is correct
235 Correct 83 ms 10044 KB Output is correct
236 Correct 2 ms 504 KB Output is correct
237 Correct 3 ms 852 KB Output is correct
238 Correct 3 ms 596 KB Output is correct
239 Correct 72 ms 8292 KB Output is correct
240 Correct 85 ms 10076 KB Output is correct
241 Correct 73 ms 6228 KB Output is correct
242 Correct 92 ms 6368 KB Output is correct
243 Correct 67 ms 6372 KB Output is correct
244 Correct 75 ms 6380 KB Output is correct
245 Correct 68 ms 6368 KB Output is correct
246 Correct 82 ms 6780 KB Output is correct
247 Correct 76 ms 6488 KB Output is correct
248 Correct 72 ms 6116 KB Output is correct
249 Correct 87 ms 6236 KB Output is correct
250 Correct 78 ms 6552 KB Output is correct
251 Correct 1 ms 504 KB Output is correct
252 Correct 101 ms 19900 KB Output is correct
253 Correct 94 ms 20104 KB Output is correct
254 Correct 58 ms 12532 KB Output is correct
255 Correct 13 ms 3004 KB Output is correct
256 Correct 1 ms 352 KB Output is correct
257 Correct 1 ms 352 KB Output is correct
258 Correct 1 ms 352 KB Output is correct
259 Correct 1 ms 460 KB Output is correct
260 Correct 1 ms 352 KB Output is correct
261 Correct 1 ms 352 KB Output is correct
262 Correct 1 ms 352 KB Output is correct
263 Correct 1 ms 352 KB Output is correct
264 Correct 1 ms 352 KB Output is correct
265 Correct 1 ms 352 KB Output is correct
266 Correct 1 ms 352 KB Output is correct
267 Correct 1 ms 352 KB Output is correct
268 Correct 1 ms 352 KB Output is correct
269 Correct 1 ms 352 KB Output is correct
270 Correct 1 ms 352 KB Output is correct
271 Correct 1 ms 352 KB Output is correct
272 Correct 121 ms 14480 KB Output is correct
273 Correct 123 ms 12736 KB Output is correct
274 Correct 123 ms 14456 KB Output is correct
275 Correct 112 ms 12232 KB Output is correct
276 Correct 65 ms 4044 KB Output is correct
277 Correct 68 ms 4044 KB Output is correct
278 Correct 151 ms 15128 KB Output is correct
279 Correct 112 ms 12708 KB Output is correct
280 Correct 116 ms 14580 KB Output is correct
281 Correct 133 ms 16104 KB Output is correct
282 Correct 142 ms 15064 KB Output is correct
283 Correct 113 ms 14988 KB Output is correct
284 Correct 126 ms 14620 KB Output is correct
285 Correct 130 ms 14372 KB Output is correct
286 Correct 128 ms 12840 KB Output is correct
287 Correct 105 ms 12644 KB Output is correct
288 Correct 62 ms 4044 KB Output is correct
289 Correct 62 ms 4044 KB Output is correct
290 Correct 62 ms 4044 KB Output is correct
291 Correct 65 ms 4044 KB Output is correct
292 Correct 62 ms 4044 KB Output is correct
293 Correct 56 ms 4044 KB Output is correct
294 Correct 1 ms 340 KB Output is correct
295 Correct 1 ms 340 KB Output is correct
296 Correct 4 ms 852 KB Output is correct
297 Correct 6 ms 852 KB Output is correct
298 Correct 102 ms 13776 KB Output is correct
299 Correct 107 ms 13684 KB Output is correct
300 Correct 3 ms 596 KB Output is correct
301 Correct 3 ms 596 KB Output is correct
302 Correct 4 ms 764 KB Output is correct
303 Correct 5 ms 852 KB Output is correct
304 Correct 4 ms 648 KB Output is correct
305 Correct 3 ms 596 KB Output is correct
306 Correct 4 ms 760 KB Output is correct
307 Correct 5 ms 596 KB Output is correct
308 Correct 4 ms 504 KB Output is correct
309 Correct 3 ms 596 KB Output is correct
310 Correct 3 ms 784 KB Output is correct
311 Correct 4 ms 928 KB Output is correct
312 Correct 3 ms 596 KB Output is correct
313 Correct 3 ms 596 KB Output is correct
314 Correct 3 ms 596 KB Output is correct
315 Correct 3 ms 596 KB Output is correct
316 Correct 4 ms 852 KB Output is correct
317 Correct 4 ms 852 KB Output is correct
318 Correct 3 ms 596 KB Output is correct
319 Correct 3 ms 596 KB Output is correct
320 Correct 3 ms 760 KB Output is correct
321 Correct 3 ms 596 KB Output is correct
322 Correct 2 ms 596 KB Output is correct
323 Correct 2 ms 596 KB Output is correct
324 Correct 2 ms 340 KB Output is correct
325 Correct 3 ms 340 KB Output is correct
326 Correct 3 ms 596 KB Output is correct
327 Correct 3 ms 668 KB Output is correct
328 Correct 3 ms 672 KB Output is correct
329 Correct 3 ms 340 KB Output is correct
330 Correct 3 ms 596 KB Output is correct
331 Correct 3 ms 852 KB Output is correct
332 Correct 3 ms 596 KB Output is correct
333 Correct 3 ms 596 KB Output is correct
334 Correct 3 ms 596 KB Output is correct
335 Correct 3 ms 596 KB Output is correct
336 Correct 113 ms 20028 KB Output is correct
337 Correct 113 ms 21344 KB Output is correct
338 Correct 95 ms 13700 KB Output is correct
339 Correct 99 ms 14036 KB Output is correct
340 Correct 69 ms 5340 KB Output is correct
341 Correct 72 ms 6620 KB Output is correct
342 Correct 105 ms 12756 KB Output is correct
343 Correct 108 ms 12492 KB Output is correct
344 Correct 73 ms 7648 KB Output is correct
345 Correct 74 ms 6340 KB Output is correct
346 Correct 113 ms 12064 KB Output is correct
347 Correct 139 ms 12496 KB Output is correct
348 Correct 100 ms 9656 KB Output is correct
349 Correct 79 ms 8800 KB Output is correct
350 Correct 128 ms 14712 KB Output is correct
351 Correct 133 ms 14684 KB Output is correct
352 Correct 68 ms 4164 KB Output is correct
353 Correct 81 ms 9036 KB Output is correct
354 Correct 72 ms 6348 KB Output is correct
355 Correct 76 ms 6352 KB Output is correct
356 Correct 77 ms 8532 KB Output is correct
357 Correct 68 ms 4832 KB Output is correct
358 Correct 94 ms 6608 KB Output is correct
359 Correct 74 ms 6352 KB Output is correct
360 Correct 62 ms 4044 KB Output is correct
361 Correct 62 ms 4044 KB Output is correct
362 Correct 93 ms 10096 KB Output is correct
363 Correct 100 ms 10060 KB Output is correct
364 Correct 96 ms 9788 KB Output is correct
365 Correct 97 ms 8412 KB Output is correct
366 Correct 113 ms 10024 KB Output is correct
367 Correct 107 ms 10556 KB Output is correct
368 Correct 93 ms 8532 KB Output is correct
369 Correct 87 ms 8020 KB Output is correct
370 Correct 81 ms 6864 KB Output is correct
371 Correct 77 ms 8532 KB Output is correct
372 Correct 3 ms 596 KB Output is correct
373 Correct 3 ms 744 KB Output is correct
374 Correct 3 ms 596 KB Output is correct
375 Correct 3 ms 596 KB Output is correct
376 Correct 3 ms 596 KB Output is correct
377 Correct 4 ms 596 KB Output is correct
378 Correct 3 ms 716 KB Output is correct
379 Correct 3 ms 852 KB Output is correct
380 Correct 4 ms 596 KB Output is correct
381 Correct 3 ms 716 KB Output is correct
382 Correct 1 ms 340 KB Output is correct
383 Correct 1 ms 340 KB Output is correct
384 Correct 1 ms 340 KB Output is correct
385 Correct 1 ms 340 KB Output is correct
386 Correct 1 ms 340 KB Output is correct
387 Correct 1 ms 508 KB Output is correct
388 Correct 1 ms 352 KB Output is correct
389 Correct 1 ms 340 KB Output is correct
390 Correct 1 ms 340 KB Output is correct
391 Correct 1 ms 340 KB Output is correct
392 Correct 12 ms 1876 KB Output is correct
393 Correct 24 ms 4332 KB Output is correct
394 Correct 2 ms 340 KB Output is correct
395 Correct 66 ms 6736 KB Output is correct
396 Correct 55 ms 9160 KB Output is correct
397 Correct 1 ms 340 KB Output is correct
398 Correct 80 ms 12572 KB Output is correct
399 Correct 99 ms 15724 KB Output is correct
400 Correct 2 ms 596 KB Output is correct
401 Correct 137 ms 21528 KB Output is correct