結果
問題 | No.101 ぐるぐる!あみだくじ! |
ユーザー | firiexp |
提出日時 | 2019-10-25 20:35:43 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
CE
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 1,569 bytes |
コンパイル時間 | 697 ms |
コンパイル使用メモリ | 85,828 KB |
最終ジャッジ日時 | 2024-11-14 21:47:29 |
合計ジャッジ時間 | 1,313 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
(要ログイン)
コンパイルエラー時のメッセージ・ソースコードは、提出者また管理者しか表示できないようにしております。(リジャッジ後のコンパイルエラーは公開されます)
ただし、clay言語の場合は開発者のデバッグのため、公開されます。
ただし、clay言語の場合は開発者のデバッグのため、公開されます。
コンパイルメッセージ
main.cpp:17:39: error: '::numeric_limits' has not been declared 17 | template<class T> constexpr T INF = ::numeric_limits<T>::max()/32*15+208; | ^~~~~~~~~~~~~~ main.cpp:17:55: error: expected primary-expression before '>' token 17 | template<class T> constexpr T INF = ::numeric_limits<T>::max()/32*15+208; | ^ main.cpp:17:61: error: no matching function for call to 'max()' 17 | template<class T> constexpr T INF = ::numeric_limits<T>::max()/32*15+208; | ~~~~~^~ In file included from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/string:50, from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/locale_classes.h:40, from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/ios_base.h:41, from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/ios:42, from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/ostream:38, from /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/iostream:39, from main.cpp:1: /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/stl_algobase.h:254:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)' 254 | max(const _Tp& __a, const _Tp& __b) | ^~~ /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/stl_algobase.h:254:5: note: template argument deduction/substitution failed: main.cpp:17:61: note: candidate expects 2 arguments, 0 provided 17 | template<class T> constexpr T INF = ::numeric_limits<T>::max()/32*15+208; | ~~~~~^~ /home/linuxbrew/.linuxbrew/Cellar/gcc@12/12.3.0/include/c++/12/bits/stl_algobase.h:300:5: note: candidate: 'templat
ソースコード
#include <iostream> #include <algorithm> #include <iomanip> #include <map> #include <set> #include <queue> #include <stack> #include <numeric> #include <bitset> #include <cmath> static const int MOD = 1000000007; using ll = long long; using u32 = uint32_t; using namespace std; template<class T> constexpr T INF = ::numeric_limits<T>::max()/32*15+208; class UnionFind { int n; vector<int> uni; int forest_size; public: explicit UnionFind(int n) : n(n), uni(static_cast<u32>(n), -1), forest_size(n) {}; int root(int a){ if (uni[a] < 0) return a; else return (uni[a] = root(uni[a])); } bool unite(int a, int b) { a = root(a); b = root(b); if(a == b) return false; if(uni[a] > uni[b]) swap(a, b); uni[a] += uni[b]; uni[b] = a; forest_size--; return true; } int size(){ return forest_size; } int size(int i){ return -uni[root(i)]; } bool same(int a, int b) { return root(a) == root(b); } }; int main() { int n, k; cin >> n >> k; vector<int> v(n); for (int i = 0; i < n; ++i) { v[i] = i; } for (int i = 0; i < k; ++i) { int x, y; scanf("%d %d", &x, &y); x--; y--; swap(v[x], v[y]); } UnionFind uf(n); ll ans = 1; for (int i = 0; i < n; ++i) { uf.unite(i, v[i]); } for (int i = 0; i < n; ++i) { if(uf.root(i) == i){ ll p = uf.size(i); ans = ans/__gcd(ans,p)*p; } } cout << ans << "\n"; return 0; }