結果
問題 | No.812 Change of Class |
ユーザー | OKCH3COOH |
提出日時 | 2019-11-12 21:37:11 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 188 ms / 4,000 ms |
コード長 | 6,415 bytes |
コンパイル時間 | 1,674 ms |
コンパイル使用メモリ | 135,288 KB |
実行使用メモリ | 11,848 KB |
最終ジャッジ日時 | 2024-06-12 21:28:35 |
合計ジャッジ時間 | 6,742 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 53 ms
9,652 KB |
testcase_01 | AC | 9 ms
6,940 KB |
testcase_02 | AC | 30 ms
6,944 KB |
testcase_03 | AC | 62 ms
10,872 KB |
testcase_04 | AC | 56 ms
9,996 KB |
testcase_05 | AC | 188 ms
10,284 KB |
testcase_06 | AC | 175 ms
8,764 KB |
testcase_07 | AC | 6 ms
6,940 KB |
testcase_08 | AC | 3 ms
6,940 KB |
testcase_09 | AC | 157 ms
11,328 KB |
testcase_10 | AC | 163 ms
11,324 KB |
testcase_11 | AC | 17 ms
9,160 KB |
testcase_12 | AC | 95 ms
10,756 KB |
testcase_13 | AC | 2 ms
6,944 KB |
testcase_14 | AC | 2 ms
6,940 KB |
testcase_15 | AC | 109 ms
8,384 KB |
testcase_16 | AC | 8 ms
6,944 KB |
testcase_17 | AC | 102 ms
8,888 KB |
testcase_18 | AC | 75 ms
7,168 KB |
testcase_19 | AC | 86 ms
7,964 KB |
testcase_20 | AC | 162 ms
11,116 KB |
testcase_21 | AC | 74 ms
7,168 KB |
testcase_22 | AC | 33 ms
6,944 KB |
testcase_23 | AC | 7 ms
6,940 KB |
testcase_24 | AC | 10 ms
6,940 KB |
testcase_25 | AC | 26 ms
6,940 KB |
testcase_26 | AC | 135 ms
9,940 KB |
testcase_27 | AC | 122 ms
9,024 KB |
testcase_28 | AC | 85 ms
7,808 KB |
testcase_29 | AC | 20 ms
6,940 KB |
testcase_30 | AC | 106 ms
8,648 KB |
testcase_31 | AC | 91 ms
7,768 KB |
testcase_32 | AC | 39 ms
6,940 KB |
testcase_33 | AC | 111 ms
9,472 KB |
testcase_34 | AC | 9 ms
6,940 KB |
testcase_35 | AC | 20 ms
6,940 KB |
testcase_36 | AC | 9 ms
6,940 KB |
testcase_37 | AC | 51 ms
6,944 KB |
testcase_38 | AC | 8 ms
6,940 KB |
testcase_39 | AC | 50 ms
6,944 KB |
testcase_40 | AC | 13 ms
6,940 KB |
testcase_41 | AC | 6 ms
6,944 KB |
testcase_42 | AC | 105 ms
8,672 KB |
testcase_43 | AC | 24 ms
7,424 KB |
testcase_44 | AC | 71 ms
7,040 KB |
testcase_45 | AC | 9 ms
6,944 KB |
testcase_46 | AC | 22 ms
7,388 KB |
testcase_47 | AC | 70 ms
7,040 KB |
testcase_48 | AC | 75 ms
8,064 KB |
testcase_49 | AC | 20 ms
6,940 KB |
testcase_50 | AC | 3 ms
6,944 KB |
testcase_51 | AC | 22 ms
6,940 KB |
testcase_52 | AC | 44 ms
7,676 KB |
testcase_53 | AC | 14 ms
6,940 KB |
testcase_54 | AC | 12 ms
6,940 KB |
testcase_55 | AC | 48 ms
9,264 KB |
testcase_56 | AC | 56 ms
10,360 KB |
testcase_57 | AC | 63 ms
10,820 KB |
testcase_58 | AC | 32 ms
7,040 KB |
testcase_59 | AC | 69 ms
11,848 KB |
testcase_60 | AC | 2 ms
6,944 KB |
testcase_61 | AC | 2 ms
6,940 KB |
testcase_62 | AC | 2 ms
6,940 KB |
ソースコード
#include <map> #include <set> #include <vector> #include <algorithm> #include <iostream> #include <bitset> #include <cassert> #include <queue> #include <random> #include <stack> #include <iomanip> using namespace std; template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; } template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; } template <typename A, typename B> string to_string(pair<A, B> p); template <typename A, typename B, typename C> string to_string(tuple<A, B, C> p); template <typename A, typename B, typename C, typename D> string to_string(tuple<A, B, C, D> p); string to_string(const string& s) { return '"' + s + '"'; } string to_string(const char* s) { return to_string((string) s); } string to_string(bool b) { return (b ? "true" : "false"); } string to_string(vector<bool> v) { bool first = true; string res = "{"; for (int i = 0; i < static_cast<int>(v.size()); i++) { if (!first) { res += ", "; } first = false; res += to_string(v[i]); } res += "}"; return res; } template <size_t N> string to_string(bitset<N> v) { string res = ""; for (size_t i = 0; i < N; i++) { res += static_cast<char>('0' + v[i]); } return res; } template <typename A> string to_string(A v) { bool first = true; string res = "{"; for (const auto &x : v) { if (!first) { res += ", "; } first = false; res += to_string(x); } res += "}"; return res; } template <typename A, typename B> string to_string(pair<A, B> p) { return "(" + to_string(p.first) + ", " + to_string(p.second) + ")"; } template <typename A, typename B, typename C> string to_string(tuple<A, B, C> p) { return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ")"; } template <typename A, typename B, typename C, typename D> string to_string(tuple<A, B, C, D> p) { return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ", " + to_string(get<3>(p)) + ")"; } void debug_out() { cerr << endl; } template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) { cerr << " " << to_string(H); debug_out(T...); } #ifdef LOCAL #define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__) #else #define debug(...) 42 #endif using Int = unsigned int; using llong = long long; using Llong = unsigned long long; using ldouble = long double; using intV = vector<int>; using llongV = vector<long long>; using llongVV = vector<vector<long long>>; using Graph = vector<vector<long long>>; using costGraph = vector<vector<pair<long long, long long>>>; struct Edge { long long from; long long to; long long cost; }; template<typename T> using asc = less<T>(); template<typename T> using desc = greater<T>(); const llong MOD = 1e9 + 7; const llong INF = 1e17; #define FOR(i, n) for (llong i = 0LL; i < llong(n); i++) #define FORS(i, a, b) for (llong i = llong(a); i < llong(b); i++) #define sup(vec, a) upper_bound(vec.begin(), vec.end(), a) - vec.begin() #define inf(vec, a) lower_bound(vec.begin(), vec.end(), a) - vec.begin() class UnionFind { public : llongV parent; // 親のインデックス llongV height; // 木の高さ llongV size; // 木の頂点数 llong component; // 木の数 UnionFind (llong size_) : parent(size_), height(size_, 1), size(size_, 1) { for (llong i = 0; i < size_; i++) { parent[i] = i; } component = size_; } void init (llong size_) { parent.resize(size_); size.assign(size_, 1); component = size_; for (llong i = 0; i < size_; i++) { parent[i] = i; } } // メソッド // Find llong root(llong index) { if (index == parent[index]) { return index; } parent[index] = root(parent[index]); return parent[index]; } // Union bool merge(llong index1, llong index2) { llong root1 = root(index1); llong root2 = root(index2); if (root1 == root2) { return false; } component--; if (height[root1] < height[root2]) { parent[root1] = root2; size[root2] += size[root1]; } else { parent[root2] = parent[root1]; size[root1] += size[root2]; if (height[root1] == height[root2]) { height[root1]++; } } return true; } bool isSameRoot(llong index1, llong index2) { return root(index1) == root(index2); } llong sizeOfSameRoot(llong index) { return size[root(index)]; } }; vector<vector<int>> edges; int search(int start, int N) { int INF = (int)1e9; vector<int> minDist(N, INF); queue<pair<int, int>> que; que.emplace(start, 0); while(!que.empty()) { int now, d; tie(now, d) = que.front(); que.pop(); if(minDist[now] <= d) continue; minDist[now] = d; for(int to : edges[now]) { if(minDist[to] == INF) { que.emplace(to, d + 1); }; } } int ret = 0; for(int d : minDist) { if(d != INF) chmax(ret, d - 1); } return ret; }; int main(void) { cin.tie(0); ios::sync_with_stdio(false); int N, M; cin >> N >> M; UnionFind tree((llong)N); edges.resize(N); FOR(i, M) { int fr, to; cin >> fr >> to; fr--; to--; edges[fr].push_back(to); edges[to].push_back(fr); tree.merge((llong)fr, (llong)to); } int Q; cin >> Q; vector<pair<int, int>> ans(Q); FOR(q, Q) { int start; cin >> start; start--; int dist = search(start, N); int day = 0; while((1 << day) <= dist) day++; ans[q] = make_pair((int)tree.sizeOfSameRoot(start) - 1, day); } for(auto a : ans) cout << a.first << " " << a.second << endl; return 0; }