結果
問題 | No.277 根掘り葉掘り |
ユーザー | mai |
提出日時 | 2017-12-30 01:24:47 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 46 ms / 3,000 ms |
コード長 | 5,324 bytes |
コンパイル時間 | 3,758 ms |
コンパイル使用メモリ | 229,440 KB |
実行使用メモリ | 17,152 KB |
最終ジャッジ日時 | 2024-06-01 07:03:50 |
合計ジャッジ時間 | 5,259 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
(要ログイン)
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 | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 46 ms
17,152 KB |
testcase_10 | AC | 20 ms
10,120 KB |
testcase_11 | AC | 32 ms
9,728 KB |
testcase_12 | AC | 40 ms
13,568 KB |
testcase_13 | AC | 37 ms
9,728 KB |
testcase_14 | AC | 31 ms
10,112 KB |
testcase_15 | AC | 33 ms
10,496 KB |
testcase_16 | AC | 36 ms
10,112 KB |
testcase_17 | AC | 34 ms
10,112 KB |
testcase_18 | AC | 32 ms
9,856 KB |
testcase_19 | AC | 32 ms
9,856 KB |
コンパイルメッセージ
main.cpp: In member function '{anonymous}::MaiScanner& {anonymous}::MaiScanner::operator>>(std::string&)': main.cpp:55:9: warning: no return statement in function returning non-void [-Wreturn-type] 55 | } | ^
ソースコード
#pragma GCC optimize ("O3") #pragma GCC target ("avx") #include "bits/stdc++.h" // define macro "/D__MAI" using namespace std; typedef long long int ll; #define debugv(v) {printf("L%d %s > ",__LINE__,#v);for(auto e:v){cout<<e<<" ";}cout<<endl;} #define debuga(m,w) {printf("L%d %s > ",__LINE__,#m);for(int x=0;x<(w);x++){cout<<(m)[x]<<" ";}cout<<endl;} #define debugaa(m,h,w) {printf("L%d %s >\n",__LINE__,#m);for(int y=0;y<(h);y++){for(int x=0;x<(w);x++){cout<<(m)[y][x]<<" ";}cout<<endl;}} #define ALL(v) (v).begin(),(v).end() #define repeat(cnt,l) for(auto cnt=0ll;(cnt)<(l);++(cnt)) #define rrepeat(cnt,l) for(auto cnt=(l)-1;0<=(cnt);--(cnt)) #define iterate(cnt,b,e) for(auto cnt=(b);(cnt)!=(e);++(cnt)) #define MD 1000000007ll #define PI 3.1415926535897932384626433832795 template<typename T1, typename T2> ostream& operator <<(ostream &o, const pair<T1, T2> p) { o << "(" << p.first << ":" << p.second << ")"; return o; } template<typename T> T& maxset(T& to, const T& val) { return to = max(to, val); } template<typename T> T& minset(T& to, const T& val) { return to = min(to, val); } void bye(string s, int code = 0) { cout << s << endl; exit(0); } mt19937_64 randdev(8901016); inline ll rand_range(ll l, ll h) { return uniform_int_distribution<ll>(l, h)(randdev); } #if defined(_WIN32) || defined(_WIN64) #define getchar_unlocked _getchar_nolock #define putchar_unlocked _putchar_nolock #elif __GNUC__ #else #define getchar_unlocked getchar #define putchar_unlocked putchar #endif namespace { #define isvisiblechar(c) (0x21<=(c)&&(c)<=0x7E) class MaiScanner { public: template<typename T> void input_integer(T& var) { var = 0; T sign = 1; int cc = getchar_unlocked(); for (; cc<'0' || '9'<cc; cc = getchar_unlocked()) if (cc == '-') sign = -1; for (; '0' <= cc && cc <= '9'; cc = getchar_unlocked()) var = (var << 3) + (var << 1) + cc - '0'; var = var * sign; } inline int c() { return getchar_unlocked(); } inline MaiScanner& operator>>(int& var) { input_integer<int>(var); return *this; } inline MaiScanner& operator>>(long long& var) { input_integer<long long>(var); return *this; } inline MaiScanner& operator>>(string& var) { int cc = getchar_unlocked(); for (; !isvisiblechar(cc); cc = getchar_unlocked()); for (; isvisiblechar(cc); cc = getchar_unlocked()) var.push_back(cc); } template<typename IT> void in(IT begin, IT end) { for (auto it = begin; it != end; ++it) *this >> *it; } }; class MaiPrinter { public: template<typename T> void output_integer(T var) { if (var == 0) { putchar_unlocked('0'); return; } if (var < 0) putchar_unlocked('-'), var = -var; char stack[32]; int stack_p = 0; while (var) stack[stack_p++] = '0' + (var % 10), var /= 10; while (stack_p) putchar_unlocked(stack[--stack_p]); } inline MaiPrinter& operator<<(char c) { putchar_unlocked(c); return *this; } inline MaiPrinter& operator<<(int var) { output_integer<int>(var); return *this; } inline MaiPrinter& operator<<(long long var) { output_integer<long long>(var); return *this; } inline MaiPrinter& operator<<(char* str_p) { while (*str_p) putchar_unlocked(*(str_p++)); return *this; } inline MaiPrinter& operator<<(const string& str) { const char* p = str.c_str(); const char* l = p + str.size(); while (p < l) putchar_unlocked(*p++); return *this; } template<typename IT> void join(IT begin, IT end, char sep = '\n') { for (auto it = begin; it != end; ++it) *this << *it << sep; } }; } MaiScanner scanner; MaiPrinter printer; class Graph { public: size_t n; vector<vector<int>> vertex_to; Graph(size_t n = 1) :n(n), vertex_to(n) {} void connect(int from, int to) { vertex_to[(size_t)from].emplace_back(to); vertex_to[(size_t)to].emplace_back(from); } void resize(size_t _n) { n = _n; vertex_to.resize(_n); } }; ll m, n, kei; Graph graph; int main() { scanner >> n; m = n - 1; graph.resize(n); vector<pair<int, int>> dist(n); repeat(i, m) { int a, b; scanner >> a >> b; --a; --b; graph.connect(a, b); } function<void(int, int, int)> dfs = [&](int idx, int from, int d_root) { dist[idx].first = d_root; for (int to : graph.vertex_to[idx]) { if (to == from) continue; dfs(to, idx, d_root + 1); } return ; }; dfs(0, -1, 0); queue<int> q; repeat(i, n) { if (graph.vertex_to[i].size() == 1) q.push(i), dist[i].second = 1; } while (!q.empty()) { int i = q.front(); q.pop(); for (int to : graph.vertex_to[i]) { if (dist[to].second == 0) { dist[to].second = dist[i].second + 1; q.push(to); } } } for (auto p : dist) { printer << min(p.first, p.second-1) << '\n'; } return 0; }