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ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#508281 | #5502. Dazzling Mountain | SorahISA | WA | 5079ms | 4068kb | C++20 | 6.1kb | 2024-08-07 12:28:25 | 2024-08-07 12:28:25 |
Judging History
answer
#ifndef NYCU_MyGO
#define NYCU_MyGO
#include NYCU_MyGO __FILE__ NYCU_MyGO
void solve() {
int N; cin >> N;
vector<vector<int>> adj(N);
for (int i = 0; i < N-1; ++i) {
int u, v; cin >> u >> v, --u, --v;
adj[u].eb(v), adj[v].eb(u);
}
vector<int> sz(N, 1), dep(N, 1), par(N, 1);
function<void(int, int)> dfs = [&](int now, int lst) {
dep[now] = (!~lst ? 1 : dep[lst] + 1), par[now] = lst;
for (int x : adj[now]) { if (x != lst) dfs(x, now), sz[now] += sz[x]; }
};
dfs(0, -1);
function<bool(int, int, int)> check = [&](int val, int now, int lst) -> bool {
if (sz[now] <= val) return (sz[now] == val);
bool ans = true;
for (int x : adj[now]) { if (x != lst) ans &= check(val, x, now); }
return ans;
};
int min_dep = N, min_dep_id = -1;
for (int i = 0; i < N; ++i) {
if (sz[i] == 1 and chmin(min_dep, dep[i])) min_dep_id = i;
}
vector<int> ans;
for (int i = min_dep_id; i != -1; i = par[i]) {
if (check(sz[i], 0, -1)) ans.eb(sz[i]);
}
cout << SZ(ans) << "\n";
for (int i = 0, k = SZ(ans); i < k; ++i) cout << ans[i] << " \n"[i == k-1];
}
int32_t main() {
fastIO();
int t = 1; cin >> t;
for (int _ = 1; _ <= t; ++_) {
solve();
}
return 0;
}
#else
#ifdef local
#define _GLIBCXX_DEBUG 1
#endif
#pragma GCC optimize("Ofast", "unroll-loops")
#include <bits/stdc++.h>
using namespace std;
using i64 = long long;
#define int i64
using f80 = long double;
#define dobule f80
using pii = pair<int, int>;
template <typename T> using Prior = std::priority_queue<T>;
template <typename T> using prior = std::priority_queue<T, vector<T>, greater<T>>;
#define eb emplace_back
#define ef emplace_front
#define ee emplace
#define pb pop_back
#define pf pop_front
#define ALL(x) begin(x), end(x)
#define RALL(x) rbegin(x), rend(x)
#define SZ(x) ((int)(x).size())
#ifdef local
#define fastIO() void()
#define debug(...) \
fprintf(stderr, "\u001b[33m"), \
fprintf(stderr, "At [%s], line %d: (%s) = ", __FUNCTION__, __LINE__, #__VA_ARGS__), \
_do(__VA_ARGS__), \
fprintf(stderr, "\u001b[0m")
template <typename T> void _do(T &&_t) { cerr << _t << "\n"; }
template <typename T, typename ...U> void _do(T &&_t, U &&..._u) { cerr << _t << ", ", _do(_u...); }
#else
#define fastIO() ios_base::sync_with_stdio(0), cin.tie(0)
#define debug(...) void()
#endif
template <typename T, typename U> bool chmin(T &lhs, U rhs) { return lhs > rhs ? lhs = rhs, 1 : 0; }
template <typename T, typename U> bool chmax(T &lhs, U rhs) { return lhs < rhs ? lhs = rhs, 1 : 0; }
#endif
/**
*
*
*
* iiiiii iiiiiiiiii iiiiiiiiiiiiii
* iiiiiiiiiiiii iiiiiii iiii iiiiiiiiiiiiiii ii iiii
* iiiiiiii iiiiiiiii iiii iiii iii iii iiiiiiiiii
* iiiiiii iiiiii iiii iiii ii iiiiiiiiii iiii iiii
* iiiiii iiiii iiii iiii iii iiii iiiiiiiiiiiiiiiii ii
* iiiiii iiiiiii iiiiiii iiiiiiii iii iiiiiiiiiiiiii iii iiii
* iiiiii iiiiiii iiiii ii iiii iiiiiiiiiii iiii iii iiii iiii iii
* iiiii iiiiiiii ii iiiii iiii iiiiiiiii iii iii iii iii ii iiii
* iiiiii iiiiiiii iiiii iiiii iiiiiiiiiiiiiiii iii iii ii iii iii iiii
* iiiii iiiiii iiii iiiiii iiiiiii iii iii iiii ii i ii iii iii
* iiiiii iiii iiiiiiiiiiiiiii iii iiii iiiii iii ii iii iii ii
* iiiii iiiiiiii iiiiiiiiii iiii iiiiiiiii ii iii ii
* iiiii iiiiii iiii iiiii iii ii ii i
* iiiiii iiiiiiii iiiii iiiii ii ii ii
* iiiii iiii iiii iiiiiiiiiiii ii
* iii iiii iiii iiiiiiii
* iiiii iiii
* iiii iiii
* iiii iiiii
* iii iiiii
* iii iiiii
* iii iiiiii
* iiiiiiiii
* iiiiii
*
*
*
**/
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3620kb
input:
1 9 1 2 2 3 3 4 3 5 2 6 6 7 7 8 7 9
output:
4 1 3 8 9
result:
ok 2 lines
Test #2:
score: -100
Wrong Answer
time: 5079ms
memory: 4068kb
input:
10000 906 675 189 555 889 491 97 791 419 175 694 713 842 788 513 159 354 670 815 652 546 253 87 89 278 563 429 522 900 202 657 331 865 35 605 735 532 612 471 657 386 7 886 856 164 224 777 73 534 481 631 711 698 240 465 115 181 191 825 311 155 709 501 207 849 294 546 591 682 96 405 210 696 861 13 781...
output:
63 1 3 4 34 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 6 1 2 3 4 5 11 28 1 2 3 4 5 6 15 16 17 18 19 20 21 2...
result:
wrong answer 65th lines differ - expected: '4', found: '0'