結果
問題 | No.1390 Get together |
ユーザー | otera |
提出日時 | 2021-02-12 21:50:22 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 57 ms / 2,000 ms |
コード長 | 5,206 bytes |
コンパイル時間 | 1,934 ms |
コンパイル使用メモリ | 196,820 KB |
最終ジャッジ日時 | 2025-01-18 18:22:25 |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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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 | 2 ms
5,248 KB |
testcase_03 | AC | 3 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 2 ms
5,248 KB |
testcase_06 | AC | 2 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 3 ms
5,248 KB |
testcase_10 | AC | 1 ms
5,248 KB |
testcase_11 | AC | 1 ms
5,248 KB |
testcase_12 | AC | 1 ms
5,248 KB |
testcase_13 | AC | 1 ms
5,248 KB |
testcase_14 | AC | 1 ms
5,248 KB |
testcase_15 | AC | 1 ms
5,248 KB |
testcase_16 | AC | 49 ms
10,880 KB |
testcase_17 | AC | 45 ms
10,880 KB |
testcase_18 | AC | 46 ms
11,008 KB |
testcase_19 | AC | 52 ms
10,880 KB |
testcase_20 | AC | 50 ms
11,136 KB |
testcase_21 | AC | 56 ms
11,136 KB |
testcase_22 | AC | 57 ms
10,880 KB |
testcase_23 | AC | 51 ms
10,880 KB |
testcase_24 | AC | 52 ms
10,880 KB |
testcase_25 | AC | 57 ms
10,880 KB |
testcase_26 | AC | 55 ms
11,008 KB |
testcase_27 | AC | 53 ms
10,880 KB |
testcase_28 | AC | 57 ms
10,880 KB |
testcase_29 | AC | 53 ms
11,008 KB |
testcase_30 | AC | 55 ms
11,008 KB |
testcase_31 | AC | 55 ms
11,136 KB |
ソースコード
/*** author: otera* created: 12.02.2021 21:46:09**/#include<bits/stdc++.h>using namespace std;using ll = long long;using ld = long double;using ull = unsigned long long;using uint = unsigned;const int inf=1e9+7;const ll INF=1LL<<60;#define rep(i, n) for(int i = 0; i < n; ++ i)#define per(i,n) for(int i=n-1;i>=0;i--)#define Rep(i,sta,n) for(int i=sta;i<n;i++)#define rep1(i,n) for(int i=1;i<=n;i++)#define per1(i,n) for(int i=n;i>=1;i--)#define Rep1(i,sta,n) for(int i=sta;i<=n;i++)typedef pair<int, int> P;typedef pair<ll, ll> LP;#define pb push_back#define eb emplace_back#define fr first#define sc second#define all(c) c.begin(),c.end()#define lb(c, x) distance((c).begin(), lower_bound(all(c), (x)))#define ub(c, x) distance((c).begin(), upper_bound(all(c), (x)))#define Sort(a) sort(all(a))#define Rev(a) reverse(all(a))#define Uniq(a) sort(all(a));a.erase(unique(all(a)),end(a))#define si(c) (int)(c).size()inline ll popcnt(ull a){ return __builtin_popcountll(a); }#define tpow(n) (1LL<<(n))#define unless(A) if(!(A))ll intpow(ll a, ll b){ ll ans = 1; while(b){ if(b & 1) ans *= a; a *= a; b /= 2; } return ans; }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; }#define INT(...) int __VA_ARGS__;in(__VA_ARGS__)#define LL(...) ll __VA_ARGS__;in(__VA_ARGS__)#define ULL(...) ull __VA_ARGS__;in(__VA_ARGS__)#define STR(...) string __VA_ARGS__;in(__VA_ARGS__)#define CHR(...) char __VA_ARGS__;in(__VA_ARGS__)#define DBL(...) double __VA_ARGS__;in(__VA_ARGS__)#define LD(...) ld __VA_ARGS__;in(__VA_ARGS__)#define vec(type,name,...) vector<type>name(__VA_ARGS__)#define VEC(type,name,size) vector<type>name(size);in(name)#define vv(type,name,h,...) vector<vector<type>>name(h,vector<type>(__VA_ARGS__))#define VV(type,name,h,w) vector<vector<type>>name(h,vector<type>(w));in(name)#define vvv(type,name,h,w,...) vector<vector<vector<type>>>name(h,vector<vector<type>>(w,vector<type>(__VA_ARGS__)))template <class T> using vc = vector<T>;template <class T> using vvc = vector<vc<T>>;template <class T> using vvvc = vector<vvc<T>>;template <class T> using vvvvc = vector<vvvc<T>>;template <class T> using pq = priority_queue<T>;template <class T> using pqg = priority_queue<T, vector<T>, greater<T>>;template<class T> void scan(T& a){ cin >> a; }template<class T> void scan(vector<T>& a){ for(auto&& i : a) scan(i); }void in(){}template <class Head, class... Tail> void in(Head& head, Tail&... tail){ scan(head); in(tail...); }void print(){ cout << ' '; }template<class T> void print(const T& a){ cout << a; }template<class T> void print(const vector<T>& a){ if(a.empty()) return; print(a[0]); for(auto i = a.begin(); ++i != a.end(); ){ cout << ' '; print(*i); } }int out(){ cout << '\n'; return 0; }template<class T> int out(const T& t){ print(t); cout << '\n'; return 0; }template<class Head, class... Tail> int out(const Head& head, const Tail&... tail){ print(head); cout << ' '; out(tail...); return 0; }#define CHOOSE(a) CHOOSE2 a#define CHOOSE2(a0,a1,a2,a3,a4,x,...) x#define debug_1(x1) cout<<#x1<<": "<<x1<<endl#define debug_2(x1,x2) cout<<#x1<<": "<<x1<<", "#x2<<": "<<x2<<endl#define debug_3(x1,x2,x3) cout<<#x1<<": "<<x1<<", "#x2<<": "<<x2<<", "#x3<<": "<<x3<<endl#define debug_4(x1,x2,x3,x4) cout<<#x1<<": "<<x1<<", "#x2<<": "<<x2<<", "#x3<<": "<<x3<<", "#x4<<": "<<x4<<endl#define debug_5(x1,x2,x3,x4,x5) cout<<#x1<<": "<<x1<<", "#x2<<": "<<x2<<", "#x3<<": "<<x3<<", "#x4<<": "<<x4<<", "#x5<<": "<<x5<<endl#ifdef DEBUG#define debug(...) CHOOSE((__VA_ARGS__,debug_5,debug_4,debug_3,debug_2,debug_1,~))(__VA_ARGS__)#define dump(...) { print(#__VA_ARGS__); print(":"); out(__VA_ARGS__); }#else#define debug(...)#define dump(...)#endif#define int long longstruct UnionFind {vector<int> par, w;UnionFind(int n) : par(n, -1), w(n, 0) { }void init(int n) { par.assign(n, -1); w.assign(n, 0); }int root(int x) {if (par[x] < 0) return x;else return par[x] = root(par[x]);}bool issame(int x, int y) {return root(x) == root(y);}bool merge(int x, int y) {x = root(x); y = root(y);if (x == y) {++w[x];return false;}if (par[x] > par[y]) swap(x, y); // merge techniquepar[x] += par[y];par[y] = x;w[x] += w[y];++w[x];return true;}int size(int x) {return -par[root(x)];}int wei(int x) {return w[root(x)];}};void solve() {INT(n, m);vec(int, b, n);vec(int, c, n);UnionFind uf(m);vec(int, x, n, -1);int cnt = 0;rep(i, n) {in(b[i], c[i]);-- b[i];-- c[i];if(x[c[i]] != -1) {if(uf.merge(b[i], x[c[i]])) ++ cnt;} else {x[c[i]] = b[i];}}out(cnt);}signed main() {ios::sync_with_stdio(false);cin.tie(0);// cout << fixed << setprecision(20);// INT(t); rep(i, t)solve();solve();return 0;}