結果
問題 | No.977 アリス仕掛けの摩天楼 |
ユーザー | mai |
提出日時 | 2020-01-31 22:12:49 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 5,669 bytes |
コンパイル時間 | 2,733 ms |
コンパイル使用メモリ | 214,100 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-09-17 08:30:53 |
合計ジャッジ時間 | 3,719 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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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 | 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 | WA | - |
testcase_05 | WA | - |
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 | 2 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | AC | 2 ms
5,376 KB |
testcase_15 | AC | 3 ms
5,376 KB |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | AC | 4 ms
5,376 KB |
testcase_20 | AC | 4 ms
5,376 KB |
testcase_21 | AC | 6 ms
5,376 KB |
testcase_22 | AC | 7 ms
5,376 KB |
testcase_23 | AC | 7 ms
5,376 KB |
testcase_24 | WA | - |
testcase_25 | AC | 7 ms
5,376 KB |
ソースコード
#pragma GCC optimize ("O3")#include "bits/stdc++.h"using namespace std;using ll = long long int;#define debugos cout#define debug(v) {printf("L%d %s > ",__LINE__,#v);debugos<<(v)<<endl;}#define debugv(v) {printf("L%d %s > ",__LINE__,#v);for(auto e:(v)){debugos<<e<<" ";}debugos<<endl;}#define debuga(m,w) {printf("L%d %s > ",__LINE__,#m);for(int x=0;x<(w);x++){debugos<<(m)[x]<<" ";}debugos<<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++){debugos<<(m)[y][x]<<" ";}debugos<<endl;}}#define all(v) (v).begin(),(v).end()#define repeat(cnt,l) for(auto cnt=remove_reference<decltype(l)>::type();(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 diterate(cnt,b,e) for(auto cnt=(b);(cnt)!=(e);--(cnt))const ll MD = 1000000007ll; const long double PI = 3.1415926535897932384626433832795L;inline void assert_call(bool assertion, function<void()> f) { if (!assertion) { cerr << "assertion fault:" << endl; f(); abort(); } }template<typename T1, typename T2> inline ostream& operator <<(ostream &o, const pair<T1, T2> p) { o << '(' << p.first << ':' << p.second << ')';return o; }template<typename Vec> inline ostream& _ostream_vecprint(ostream& os, const Vec& a) {os << '['; for (const auto& e : a) os << ' ' << e << ' '; os << ']'; return os; }template<typename T> inline ostream& operator<<(ostream& o, const vector<T>& v) { return _ostream_vecprint(o, v); }template<typename T, size_t S> inline ostream& operator<<(ostream& o, const array<T, S>& v) { return _ostream_vecprint(o, v); }template<typename T> inline T& chmax(T& to, const T& val) { return to = max(to, val); }template<typename T> inline T& chmin(T& to, const T& val) { return to = min(to, val); }void bye(string s, int code = 0) { cout << s << endl; exit(code); }mt19937_64 randdev(8901016);template<typename T, typename Random = decltype(randdev), typename enable_if<is_integral<T>::value>::type* = nullptr>inline T rand(T l, T h, Random& rand = randdev) { return uniform_int_distribution<T>(l, h)(rand); }template<typename T, typename Random = decltype(randdev), typename enable_if<is_floating_point<T>::value>::type* = nullptr>inline T rand(T l, T h, Random& rand = randdev) { return uniform_real_distribution<T>(l, h)(rand); }#if defined(_WIN32) || defined(_WIN64)#define getc_x _getc_nolock#define putc_x _putc_nolock#elif defined(__GNUC__)#define getc_x getc_unlocked#define putc_x putc_unlocked#else#define getc_x getc#define putc_x putc#endif#define isvisiblechar(c) (0x21<=(c)&&(c)<=0x7E)class MaiScanner {FILE* fp_;public:inline MaiScanner(FILE* fp):fp_(fp){}template<typename T> void input_integer(T& var) noexcept {var = 0; T sign = 1;int cc = getc_x(fp_);for (; cc < '0' || '9' < cc; cc = getc_x(fp_))if (cc == '-') sign = -1;for (; '0' <= cc && cc <= '9'; cc = getc_x(fp_))var = (var << 3) + (var << 1) + cc - '0';var = var * sign;}inline int c() noexcept { return getc_x(fp_); }inline MaiScanner& operator>>(int& var) noexcept { input_integer<int>(var); return *this; }inline MaiScanner& operator>>(long long& var) noexcept { input_integer<long long>(var); return *this; }inline MaiScanner& operator>>(string& var) {int cc = getc_x(fp_);for (; !isvisiblechar(cc); cc = getc_x(fp_));for (; isvisiblechar(cc); cc = getc_x(fp_))var.push_back(cc);return *this;}template<typename IT> inline void in(IT begin, IT end) { for (auto it = begin; it != end; ++it) *this >> *it; }};class MaiPrinter {FILE* fp_;public:inline MaiPrinter(FILE* fp):fp_(fp){}template<typename T>void output_integer(T var) noexcept {if (var == 0) { putc_x('0', fp_); return; }if (var < 0)putc_x('-', fp_),var = -var;char stack[32]; int stack_p = 0;while (var)stack[stack_p++] = '0' + (var % 10),var /= 10;while (stack_p)putc_x(stack[--stack_p], fp_);}inline MaiPrinter& operator<<(char c) noexcept { putc_x(c, fp_); return *this; }inline MaiPrinter& operator<<(int var) noexcept { output_integer<int>(var); return *this; }inline MaiPrinter& operator<<(long long var) noexcept { output_integer<long long>(var); return *this; }inline MaiPrinter& operator<<(char* str_p) noexcept { while (*str_p) putc_x(*(str_p++), fp_); return *this; }inline MaiPrinter& operator<<(const string& str) {const char* p = str.c_str();const char* l = p + str.size();while (p < l) putc_x(*p++, fp_);return *this;}template<typename IT> void join(IT begin, IT end, char sep = ' ') { for (bool b = 0; begin != end; ++begin, b = 1) b ? *this << sep << *begin :*this << *begin; }};MaiScanner scanner(stdin);MaiPrinter printer(stdout);class Unionfind {public:vector<int> data;explicit Unionfind(int size) : data(size, -1) {}bool connect(int x, int y) {x = root(x);y = root(y);if (x != y) {if (data[y] < data[x])swap(x, y);data[x] += data[y];data[y] = (int)x;}return x != y;}inline bool same(int x, int y) { return root(x) == root(y); }inline int root(int x) { return (int)(data[x] < 0 ? x : data[x] = root(data[x])); }inline int size(int x) { return -data[root(x)]; }};////int main() {int N; scanner >> N;int M; M = N - 1;Unionfind uf(N);int s = N;repeat(i, M) {int a, b;scanner >> a >> b;s -= uf.connect(a, b);}if (s > 2)cout << "Alice" << endl;elsecout << "Bob" << endl;return 0;}