結果
問題 | No.2290 UnUnion Find |
ユーザー | georgejsh |
提出日時 | 2023-05-05 21:35:45 |
言語 | C++17(clang) (17.0.6 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 327 ms / 2,000 ms |
コード長 | 6,624 bytes |
コンパイル時間 | 5,485 ms |
コンパイル使用メモリ | 165,632 KB |
実行使用メモリ | 14,080 KB |
最終ジャッジ日時 | 2024-11-23 06:20:43 |
合計ジャッジ時間 | 18,002 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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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
5,248 KB |
testcase_02 | AC | 40 ms
5,248 KB |
testcase_03 | AC | 131 ms
8,704 KB |
testcase_04 | AC | 139 ms
8,576 KB |
testcase_05 | AC | 140 ms
8,576 KB |
testcase_06 | AC | 141 ms
8,576 KB |
testcase_07 | AC | 136 ms
8,576 KB |
testcase_08 | AC | 130 ms
8,704 KB |
testcase_09 | AC | 139 ms
8,576 KB |
testcase_10 | AC | 130 ms
8,576 KB |
testcase_11 | AC | 132 ms
8,576 KB |
testcase_12 | AC | 133 ms
8,576 KB |
testcase_13 | AC | 134 ms
8,576 KB |
testcase_14 | AC | 131 ms
8,576 KB |
testcase_15 | AC | 138 ms
8,576 KB |
testcase_16 | AC | 138 ms
8,576 KB |
testcase_17 | AC | 133 ms
8,576 KB |
testcase_18 | AC | 133 ms
8,576 KB |
testcase_19 | AC | 226 ms
9,344 KB |
testcase_20 | AC | 327 ms
14,080 KB |
testcase_21 | AC | 55 ms
5,248 KB |
testcase_22 | AC | 118 ms
5,888 KB |
testcase_23 | AC | 120 ms
6,016 KB |
testcase_24 | AC | 267 ms
11,264 KB |
testcase_25 | AC | 100 ms
5,248 KB |
testcase_26 | AC | 303 ms
12,672 KB |
testcase_27 | AC | 288 ms
11,776 KB |
testcase_28 | AC | 185 ms
7,680 KB |
testcase_29 | AC | 262 ms
10,624 KB |
testcase_30 | AC | 66 ms
5,248 KB |
testcase_31 | AC | 265 ms
9,856 KB |
testcase_32 | AC | 104 ms
5,248 KB |
testcase_33 | AC | 186 ms
7,552 KB |
testcase_34 | AC | 320 ms
14,080 KB |
testcase_35 | AC | 300 ms
12,672 KB |
testcase_36 | AC | 106 ms
5,412 KB |
testcase_37 | AC | 157 ms
6,912 KB |
testcase_38 | AC | 108 ms
5,504 KB |
testcase_39 | AC | 122 ms
6,144 KB |
testcase_40 | AC | 287 ms
12,032 KB |
testcase_41 | AC | 94 ms
5,248 KB |
testcase_42 | AC | 220 ms
8,960 KB |
testcase_43 | AC | 214 ms
8,704 KB |
testcase_44 | AC | 135 ms
8,576 KB |
testcase_45 | AC | 153 ms
8,576 KB |
testcase_46 | AC | 180 ms
8,704 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; typedef long long int ll; typedef long double ld; typedef pair<ll, ll> pi; typedef pair<ld,ld> pd; typedef vector<ll> vi; typedef vector<ld> vd; typedef vector<pi> vpi; #define repab(i, a, b) for (ll i = (a); i < (b); i++) #define repabs(i, a, b,s) for (ll i = (a); i < (b); i+=(s)) #define rep(i, a) for (ll i = 0; i < (a); i++) #define rrepab(i,a,b) for (ll i = (b)-1; i >= (a); i--) #define rrepabs(i,a,b,s) for (ll i = (b)-1; i >= (a); i-=(s)) #define rrep(i,a) for (ll i = (a)-1; i >= 0; i--) #define iter(a, x) for (auto& a : x) #define repeat(i, begin, end) for (__typeof(end) i = (begin) - ((begin) > (end)); i != (end) - ((begin) > (end)); i += 1 - 2 * ((begin) > (end))) #define GET5(a, b, c, d, e, ...) e #define F_ORC(...) GET5(__VA_ARGS__, repabs, repab, rep) #define F_ORRC(...) GET5(__VA_ARGS__, rrepabs, rrepab, rrep) #define FOR(...) F_ORC(__VA_ARGS__)(__VA_ARGS__) #define FORR(...) F_ORRC(__VA_ARGS__)(__VA_ARGS__) #define v(a) vector<array<ll,a>> #define minheap(a) priority_queue<array<ll,a>,vector<array<ll,a>>,greater<array<ll,a>> > #define mat(n,m) vector<vi> matrix(vi(m),n) #define rloop(n) int n;re(n);rep(i,n) #define array(n) array<ll,n> #define rea(arr,n) int n;re(n);vi arr(n);re(arr); #define mk make_pair #define pb push_back #define fi first #define se second #define lb lower_bound #define ub upper_bound #define sz(x) (int)x.size() #define beg(x) x.begin() #define en(x) x.end() #define all(x) beg(x), en(x) #define resz resize template<class T> void ckmin(T &a, T b) { a = min(a, b); } template<class T> void ckmax(T &a, T b) { a = max(a, b); } namespace io { #define error(args...) { string _s = #args; replace(_s.begin(), _s.end(), ',', ' '); stringstream _ss(_s); istream_iterator<string> _it(_ss);cerr<< "line: "<<__LINE__ <<" "; err(_it, args); cerr<<endl;} void err(istream_iterator<string> it) {} // TYPE ID (StackOverflow) template<class T> struct like_array : is_array<T>{}; template<class T, size_t N> struct like_array<array<T,N>> : true_type{}; template<class T> struct like_array<vector<T>> : true_type{}; template<class T> bool is_like_array(const T& a) { return like_array<T>::value; } // INPUT template<class T> void re(T& x) { cin >> x; } template<class Arg, class... Args> void re(Arg& first, Args&... rest); void re(double& x) { string t; re(t); x = stod(t); } void re(ld& x) { string t; re(t); x = stold(t); } template<class T1, class T2> void re(pair<T1,T2>& p); template<class T> void re(vector<T>& a); template<class T, size_t SZ> void re(array<T,SZ>& a); template<class Arg, class... Args> void re(Arg& first, Args&... rest) { re(first); re(rest...); } template<class T1, class T2> void re(pair<T1,T2>& p) { re(p.fi,p.se); } template<class T> void re(vector<T>& a) { rep(i,sz(a)) re(a[i]); } template<class T, size_t SZ> void re(array<T,SZ>& a) { rep(i,SZ) re(a[i]); } template<class T, size_t SZ> ostream& operator<<(ostream& os, const array<T,SZ>& a); template<class T> ostream& operator<<(ostream& os, const vector<T>& a); template<class T> ostream& operator<<(ostream& os, const set<T>& a) ; template<class T> ostream& operator<<(ostream& os, const multiset<T>& a) ; template<class T1, class T2> ostream& operator<<(ostream& os, const map<T1,T2>& a) ; // OUTPUT template<class T1, class T2> ostream& operator<<(ostream& os, const pair<T1,T2>& a) { os << '{' << a.fi << ", " << a.se << '}'; return os; } template<class T> ostream& printArray(ostream& os, const T& a, int SZ) { os << '{'; rep(i,SZ) { if (i) { os << ", "; if (is_like_array(a[i])) os << " "; } os << a[i]; } os << '}'; return os; } template<class T, size_t SZ> ostream& operator<<(ostream& os, const array<T,SZ>& a) { return printArray(os,a,SZ); } template<class T> ostream& operator<<(ostream& os, const vector<T>& a) { return printArray(os,a,sz(a)); } template<class T> ostream& operator<<(ostream& os, const set<T>& a) { os << vector<T>(all(a)); return os; } template<class T> ostream& operator<<(ostream& os, const multiset<T>& a) { os << vector<T>(all(a)); return os; } template<class T1, class T2> ostream& operator<<(ostream& os, const map<T1,T2>& a) { os << vector<pair<T1,T2>>(all(a)); return os; } template<class T> void pr(const T& x) { cout << x << '\n'; } template<class Arg, class... Args> void pr(const Arg& first, const Args&... rest) { cout << first << ' '; pr(rest...); } template<typename T, typename... Args> void err(istream_iterator<string> it, T a, Args... args) { cerr << *it << " = " << a<<" " ; err(++it, args...); } template<typename T> void pa(vector<T> &a,bool psize=true){ if(psize) cout<<a.size()<<"\n"; iter(x,a) cout<<x<<" "; cout<<"\n"; } } using namespace io; const int MOD = 1000000007; //const int MOD = 998244353; const ll INF = 1e18; const int MX = 2e5+1; #define yes cout<<"YES\n" #define no cout<<"NO\n" struct FU { std::vector<int> f, siz; FU() {} FU(int n) { init(n); } void init(int n) { f.resize(n); std::iota(f.begin(), f.end(), 0); siz.assign(n, 1); } int leader(int x) { while (x != f[x]) { x = f[x] = f[f[x]]; } return x; } 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; } siz[x] += siz[y]; f[y] = x; return true; } int size(int x) { return siz[leader(x)]; } }; void solve(){ int n,q;re(n,q); set<int> ss; rep(i,n) ss.insert(i); FU fu(n); rep(i,q){ int ch; re(ch); if(ch==1){ int u,v;re(u,v);u--,v--; u=fu.leader(u); v=fu.leader(v); if(u==v) continue; ss.erase(v); fu.merge(u,v); }else{ int u;re(u); u--; u=fu.leader(u); ss.erase(u); if(sz(ss)==0)cout<<"-1\n"; else cout<<*ss.begin()+1<<"\n"; ss.insert(u); } } } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); //rloop(t){ solve(); //} return 0; }