結果
問題 | No.2664 Prime Sum |
ユーザー | ebi_fly |
提出日時 | 2024-03-08 22:08:57 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 3 ms / 2,000 ms |
コード長 | 6,194 bytes |
コンパイル時間 | 2,950 ms |
コンパイル使用メモリ | 252,716 KB |
実行使用メモリ | 6,824 KB |
最終ジャッジ日時 | 2024-09-29 19:42:38 |
合計ジャッジ時間 | 4,202 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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 | 2 ms
6,820 KB |
testcase_01 | AC | 2 ms
6,820 KB |
testcase_02 | AC | 2 ms
6,816 KB |
testcase_03 | AC | 2 ms
6,816 KB |
testcase_04 | AC | 2 ms
6,820 KB |
testcase_05 | AC | 3 ms
6,816 KB |
testcase_06 | AC | 2 ms
6,816 KB |
testcase_07 | AC | 2 ms
6,816 KB |
testcase_08 | AC | 2 ms
6,816 KB |
testcase_09 | AC | 2 ms
6,816 KB |
testcase_10 | AC | 2 ms
6,816 KB |
testcase_11 | AC | 2 ms
6,820 KB |
testcase_12 | AC | 2 ms
6,816 KB |
testcase_13 | AC | 2 ms
6,820 KB |
testcase_14 | AC | 2 ms
6,816 KB |
testcase_15 | AC | 2 ms
6,820 KB |
testcase_16 | AC | 2 ms
6,824 KB |
testcase_17 | AC | 2 ms
6,816 KB |
testcase_18 | AC | 2 ms
6,816 KB |
testcase_19 | AC | 2 ms
6,816 KB |
testcase_20 | AC | 2 ms
6,816 KB |
testcase_21 | AC | 2 ms
6,820 KB |
testcase_22 | AC | 2 ms
6,820 KB |
testcase_23 | AC | 2 ms
6,820 KB |
testcase_24 | AC | 2 ms
6,816 KB |
testcase_25 | AC | 2 ms
6,816 KB |
testcase_26 | AC | 2 ms
6,816 KB |
testcase_27 | AC | 2 ms
6,820 KB |
testcase_28 | AC | 2 ms
6,816 KB |
testcase_29 | AC | 2 ms
6,816 KB |
testcase_30 | AC | 2 ms
6,816 KB |
testcase_31 | AC | 2 ms
6,816 KB |
testcase_32 | AC | 2 ms
6,816 KB |
testcase_33 | AC | 2 ms
6,820 KB |
testcase_34 | AC | 2 ms
6,820 KB |
testcase_35 | AC | 2 ms
6,820 KB |
testcase_36 | AC | 2 ms
6,816 KB |
ソースコード
#line 1 "template/template.hpp" #include <bits/stdc++.h> #define rep(i, a, n) for (int i = (int)(a); i < (int)(n); i++) #define rrep(i, a, n) for (int i = ((int)(n)-1); i >= (int)(a); i--) #define Rep(i, a, n) for (i64 i = (i64)(a); i < (i64)(n); i++) #define RRep(i, a, n) for (i64 i = ((i64)(n)-i64(1)); i >= (i64)(a); i--) #define all(v) (v).begin(), (v).end() #define rall(v) (v).rbegin(), (v).rend() #line 2 "template/debug_template.hpp" #line 4 "template/debug_template.hpp" namespace ebi { #ifdef LOCAL #define debug(...) \ std::cerr << "LINE: " << __LINE__ << " [" << #__VA_ARGS__ << "]:", \ debug_out(__VA_ARGS__) #else #define debug(...) #endif void debug_out() { std::cerr << std::endl; } template <typename Head, typename... Tail> void debug_out(Head h, Tail... t) { std::cerr << " " << h; if (sizeof...(t) > 0) std::cerr << " :"; debug_out(t...); } } // namespace ebi #line 2 "template/int_alias.hpp" #line 4 "template/int_alias.hpp" namespace ebi { using ld = long double; using std::size_t; using i8 = std::int8_t; using u8 = std::uint8_t; using i16 = std::int16_t; using u16 = std::uint16_t; using i32 = std::int32_t; using u32 = std::uint32_t; using i64 = std::int64_t; using u64 = std::uint64_t; using i128 = __int128_t; using u128 = __uint128_t; } // namespace ebi #line 2 "template/io.hpp" #line 5 "template/io.hpp" #include <optional> #line 7 "template/io.hpp" namespace ebi { template <typename T1, typename T2> std::ostream &operator<<(std::ostream &os, const std::pair<T1, T2> &pa) { return os << pa.first << " " << pa.second; } template <typename T1, typename T2> std::istream &operator>>(std::istream &os, std::pair<T1, T2> &pa) { return os >> pa.first >> pa.second; } template <typename T> std::ostream &operator<<(std::ostream &os, const std::vector<T> &vec) { for (std::size_t i = 0; i < vec.size(); i++) os << vec[i] << (i + 1 == vec.size() ? "" : " "); return os; } template <typename T> std::istream &operator>>(std::istream &os, std::vector<T> &vec) { for (T &e : vec) std::cin >> e; return os; } template <typename T> std::ostream &operator<<(std::ostream &os, const std::optional<T> &opt) { if (opt) { os << opt.value(); } else { os << "invalid value"; } return os; } void fast_io() { std::cout << std::fixed << std::setprecision(15); std::cin.tie(nullptr); std::ios::sync_with_stdio(false); } } // namespace ebi #line 2 "template/utility.hpp" #line 5 "template/utility.hpp" #line 2 "graph/template.hpp" #line 5 "graph/template.hpp" namespace ebi { template <class T> struct Edge { int to; T cost; Edge(int _to, T _cost = 1) : to(_to), cost(_cost) {} }; template <class T> struct Graph : std::vector<std::vector<Edge<T>>> { using std::vector<std::vector<Edge<T>>>::vector; void add_edge(int u, int v, T w, bool directed = false) { (*this)[u].emplace_back(v, w); if (directed) return; (*this)[v].emplace_back(u, w); } }; struct graph : std::vector<std::vector<int>> { using std::vector<std::vector<int>>::vector; void add_edge(int u, int v, bool directed = false) { (*this)[u].emplace_back(v); if (directed) return; (*this)[v].emplace_back(u); } void read_tree(int offset = 1) { read_graph((int)size()-1, offset); } void read_graph(int m, int offset = 1, bool directed = false) { for(int i = 0; i < m; i++) { int u,v; std::cin >> u >> v; u -= offset; v -= offset; add_edge(u, v, directed); } } }; } // namespace ebi #line 8 "template/utility.hpp" namespace ebi { template <class T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; } template <class T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; } template <class T> T safe_ceil(T a, T b) { if (a % b == 0) return a / b; else if (a >= 0) return (a / b) + 1; else return -((-a) / b); } template <class T> T safe_floor(T a, T b) { if (a % b == 0) return a / b; else if (a >= 0) return a / b; else return -((-a) / b) - 1; } constexpr i64 LNF = std::numeric_limits<i64>::max() / 4; constexpr int INF = std::numeric_limits<int>::max() / 2; const std::vector<int> dy = {1, 0, -1, 0, 1, 1, -1, -1}; const std::vector<int> dx = {0, 1, 0, -1, 1, -1, 1, -1}; } // namespace ebi #line 2 "data_structure/unionfind.hpp" #line 4 "data_structure/unionfind.hpp" namespace ebi { struct unionfind { private: std::vector<int> par; public: unionfind(int n = 0) : par(n, -1) {} bool same(int x, int y) { return leader(x) == leader(y); } bool merge(int x, int y) { x = leader(x); y = leader(y); if (x == y) return false; if (par[x] > par[y]) std::swap(x, y); par[x] += par[y]; par[y] = x; return true; } int leader(int x) { if (par[x] < 0) return x; else return par[x] = leader(par[x]); } int size(int x) { return -par[leader(x)]; } int count_group() { int c = 0; for (int i = 0; i < int(par.size()); i++) { if (par[i] < 0) c++; } return c; } void clear() { for (int i = 0; i < int(par.size()); i++) { par[i] = -1; } } }; } // namespace ebi #line 3 "a.cpp" namespace ebi { void main_() { int n,m; std::cin >> n >> m; unionfind uf(2 * n); rep(i,0,m) { int u,v; std::cin >> u >> v; u--; v--; uf.merge(u, v + n); uf.merge(u + n, v); } rep(i,0,n) { if(uf.same(i, i + n)) { std::cout << "No\n"; return; } } std::cout << "Yes\n"; } } // namespace ebi int main() { ebi::fast_io(); int t = 1; // std::cin >> t; while (t--) { ebi::main_(); } return 0; }