結果
問題 | No.2072 Anatomy |
ユーザー | dyktr_06 |
提出日時 | 2022-09-16 23:24:52 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,071 bytes |
コンパイル時間 | 1,856 ms |
コンパイル使用メモリ | 179,576 KB |
実行使用メモリ | 10,940 KB |
最終ジャッジ日時 | 2024-06-01 14:11:15 |
合計ジャッジ時間 | 4,096 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 | 1 ms
6,812 KB |
testcase_01 | AC | 1 ms
6,940 KB |
testcase_02 | WA | - |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | WA | - |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,944 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | WA | - |
testcase_09 | AC | 46 ms
9,608 KB |
testcase_10 | WA | - |
testcase_11 | AC | 47 ms
9,500 KB |
testcase_12 | AC | 38 ms
7,680 KB |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | AC | 30 ms
7,424 KB |
testcase_16 | WA | - |
testcase_17 | AC | 49 ms
9,856 KB |
testcase_18 | AC | 25 ms
6,944 KB |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | AC | 49 ms
10,364 KB |
testcase_22 | WA | - |
testcase_23 | AC | 49 ms
10,368 KB |
testcase_24 | AC | 49 ms
10,940 KB |
testcase_25 | WA | - |
testcase_26 | AC | 2 ms
6,940 KB |
testcase_27 | AC | 50 ms
10,496 KB |
testcase_28 | WA | - |
コンパイルメッセージ
main.cpp: In function 'void in(T& ...)': main.cpp:28:55: warning: fold-expressions only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions] 28 | template<class... T> void in(T&... a){ (cin >> ... >> a); } | ^ main.cpp: In function 'void out(const T&, const Ts& ...)': main.cpp:30:112: warning: fold-expressions only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions] 30 | template<class T, class... Ts> void out(const T& a, const Ts&... b){ cout << a; (cout << ... << (cout << ' ', b)); cout << '\n'; } | ^
ソースコード
#include <bits/stdc++.h> using namespace std; #define rep(i,n) for(int i = 0; i < (int)(n); ++i) #define rrep(i,n) for(int i = (int)(n) - 1; i >= 0; --i) #define ALL(a) a.begin(), a.end() #define Sort(a) sort(a.begin(), a.end()) #define RSort(a) sort(a.rbegin(), a.rend()) typedef long long int ll; typedef long double ld; typedef vector<int> vi; typedef vector<long long> vll; typedef vector<char> vc; typedef vector<string> vst; typedef vector<double> vd; typedef pair<long long, long long> P; const long long INF = 0x1fffffffffffffff; const long long MOD = 1000000007; const long double PI = acos(-1); template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; } template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; } template<class T, class U> inline T vin(T& vec, U n) { vec.resize(n); for(int i = 0; i < (int) n; ++i) cin >> vec[i]; return vec; } template<class T> inline void vout(T vec, string s = "\n"){ for(auto x : vec) cout << x << s; } template<class... T> void in(T&... a){ (cin >> ... >> a); } void out(){ cout << '\n'; } template<class T, class... Ts> void out(const T& a, const Ts&... b){ cout << a; (cout << ... << (cout << ' ', b)); cout << '\n'; } template<class T, class U> void inGraph(vector<vector<T>>& G, U n, U m, bool directed = false){ G.resize(n); for(int i = 0; i < m; i++){ int a, b; cin >> a >> b; a--, b--; G[a].push_back(b); if(!directed) G[b].push_back(a); } } struct UnionFind { vector<int> par; vector<int> siz; vector<int> edg; UnionFind(int N) : par(N), siz(N), edg(N) { for(int i = 0; i < N; i++){ par[i] = i; siz[i] = 1; edg[i] = 0; } } int root(int x) { if (par[x] == x) return x; return par[x] = root(par[x]); } void unite(int x, int y) { int rx = root(x); int ry = root(y); if (rx == ry){ edg[rx]++; return; } par[rx] = ry; siz[ry] += siz[rx]; edg[ry] += edg[rx] + 1; } bool same(int x, int y){ int rx = root(x); int ry = root(y); return rx == ry; } long long size(int x){ return siz[root(x)]; } long long edge(int x){ return edg[root(x)]; } }; ll n, m; void input(){ in(n, m); } void solve(){ ll ans = 0; vll cnt(n); UnionFind tree(n); vector<P> e(m); rep(i, m){ ll a, b; in(a, b); a--; b--; e[i] = {a, b}; } reverse(ALL(e)); rep(i, m){ ll a = e[i].first, b = e[i].second; chmax(ans, max(tree.edge(a), tree.edge(b))); if(!tree.same(a, b)){ cnt[tree.root(a)] = max(cnt[tree.root(a)], cnt[tree.root(b)]) + 1; cnt[tree.root(b)] = cnt[tree.root(a)]; tree.unite(a, b); }else{ cnt[tree.root(a)]++; } } rep(i, n) chmax(ans, cnt[i]); out(ans); } int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); input(); solve(); }