結果
問題 | No.1639 最小通信路 |
ユーザー | suta28407928 |
提出日時 | 2021-08-06 22:16:20 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 23 ms / 2,000 ms |
コード長 | 4,131 bytes |
コンパイル時間 | 2,937 ms |
コンパイル使用メモリ | 209,208 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-09-17 02:18:35 |
合計ジャッジ時間 | 4,463 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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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
5,376 KB |
testcase_02 | AC | 8 ms
5,376 KB |
testcase_03 | AC | 23 ms
5,376 KB |
testcase_04 | AC | 23 ms
5,376 KB |
testcase_05 | AC | 3 ms
5,376 KB |
testcase_06 | AC | 4 ms
5,376 KB |
testcase_07 | AC | 2 ms
5,376 KB |
testcase_08 | AC | 7 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 2 ms
5,376 KB |
testcase_11 | AC | 5 ms
5,376 KB |
testcase_12 | AC | 2 ms
5,376 KB |
testcase_13 | AC | 8 ms
5,376 KB |
testcase_14 | AC | 2 ms
5,376 KB |
testcase_15 | AC | 3 ms
5,376 KB |
testcase_16 | AC | 5 ms
5,376 KB |
testcase_17 | AC | 6 ms
5,376 KB |
testcase_18 | AC | 2 ms
5,376 KB |
testcase_19 | AC | 3 ms
5,376 KB |
testcase_20 | AC | 7 ms
5,376 KB |
testcase_21 | AC | 2 ms
5,376 KB |
testcase_22 | AC | 3 ms
5,376 KB |
testcase_23 | AC | 4 ms
5,376 KB |
testcase_24 | AC | 2 ms
5,376 KB |
testcase_25 | AC | 3 ms
5,376 KB |
testcase_26 | AC | 3 ms
5,376 KB |
testcase_27 | AC | 1 ms
5,376 KB |
testcase_28 | AC | 2 ms
5,376 KB |
testcase_29 | AC | 7 ms
5,376 KB |
testcase_30 | AC | 10 ms
5,376 KB |
testcase_31 | AC | 3 ms
5,376 KB |
testcase_32 | AC | 8 ms
5,376 KB |
testcase_33 | AC | 3 ms
5,376 KB |
testcase_34 | AC | 8 ms
5,376 KB |
testcase_35 | AC | 17 ms
5,376 KB |
testcase_36 | AC | 8 ms
5,376 KB |
testcase_37 | AC | 8 ms
5,376 KB |
testcase_38 | AC | 2 ms
5,376 KB |
testcase_39 | AC | 4 ms
5,376 KB |
testcase_40 | AC | 2 ms
5,376 KB |
testcase_41 | AC | 2 ms
5,376 KB |
testcase_42 | AC | 10 ms
5,376 KB |
testcase_43 | AC | 3 ms
5,376 KB |
testcase_44 | AC | 2 ms
5,376 KB |
ソースコード
#pragma GCC target("avx2") #pragma GCC optimize("Ofast") #pragma GCC optimize("unroll-loops") #include <bits/stdc++.h> //#include <atcoder/all> using namespace std; //using namespace atcoder; #define DEBUG #ifdef DEBUG template <class T, class U> ostream &operator<<(ostream &os, const pair<T, U> &p) { os << '(' << p.first << ',' << p.second << ')'; return os; } template <class T> ostream &operator<<(ostream &os, const vector<T> &v) { os << '{'; for(int i = 0; i < (int)v.size(); i++) { if(i) { os << ','; } os << v[i]; } os << '}'; return os; } void debugg() { cerr << endl; } template <class T, class... Args> void debugg(const T &x, const Args &... args) { cerr << " " << x; debugg(args...); } #define debug(...) \ cerr << __LINE__ << " [" << #__VA_ARGS__ << "]: ", debugg(__VA_ARGS__) #define dump(x) cerr << __LINE__ << " " << #x << " = " << (x) << endl #else #define debug(...) (void(0)) #define dump(x) (void(0)) #endif using namespace std; typedef long long ll; typedef vector<ll> vl; typedef vector<vl> vvl; typedef vector<char> vc; typedef vector<string> vs; typedef vector<bool> vb; typedef vector<double> vd; typedef pair<ll,ll> P; typedef pair<int,int> pii; typedef vector<P> vpl; typedef tuple<ll,ll,ll> tapu; #define rep(i,n) for(int i=0; i<(n); i++) #define REP(i,a,b) for(int i=(a); i<(b); i++) #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() const int inf = (1<<30)-1; const ll linf = 1LL<<61; const int MAX = 510000; //int dy[8] = {0,1,0,-1,1,-1,-1,1}; //int dx[8] = {-1,0,1,0,1,-1,1,-1}; const double pi = acos(-1); const double eps = 1e-8; template<typename T1,typename T2> inline bool chmin(T1 &a,T2 b){ if(a>b){ a = b; return true; } else return false; } template<typename T1,typename T2> inline bool chmax(T1 &a,T2 b){ if(a<b){ a = b; return true; } else return false; } template<typename T> inline void print(T &a){ int sz = a.size(); for(auto itr = a.begin(); itr != a.end(); itr++){ cout << *itr; sz--; if(sz) cout << " "; } cout << "\n"; } template<typename T1,typename T2> inline void print2(T1 a, T2 b){ cout << a << " " << b << "\n"; } template<typename T1,typename T2,typename T3> inline void print3(T1 a, T2 b, T3 c){ cout << a << " " << b << " " << c << "\n"; } void mark() {cout << "#" << "\n";} ll pcount(ll x) {return __builtin_popcountll(x);} //const int mod = 1e9 + 7; const int mod = 998244353; struct UnionFind{ vl p; vl rank; vl cnt; UnionFind(ll n){ rank.resize(n,0); p.resize(n,0); cnt.resize(n,0); rep(i,n){ p[i] = i; rank[i] = 0; cnt[i] = 1; } } ll find(ll x){ if(x != p[x]) p[x] = find(p[x]); return p[x]; } bool same(ll x, ll y){ return find(x) == find(y); } void unite(ll x, ll y){ x = find(x); y = find(y); if(x == y) return; if(rank[x] > rank[y]){ p[y] = x; cnt[x] += cnt[y]; }else{ p[x] = y; cnt[y] += cnt[x]; if(rank[x] == rank[y]) rank[y]++; } } ll size(ll x){ return cnt[find(x)]; } }; using T = tuple<string,ll,ll>; int main(){ int n; cin >> n; int m = n*(n-1)/2; vector<T> e(m); rep(i,m){ int a,b; cin >> a >> b; a--; b--; string c; cin >> c; e[i] = tie(c,a,b); } sort(all(e),[](T a, T b){ string s = get<0>(a); string t = get<0>(b); if(s.size() != t.size()){ return s.size() < t.size(); }else{ int sz = s.size(); rep(i,sz){ if(s[i] != t[i]) return s[i] < t[i]; } return true; } }); UnionFind uf(n); rep(i,m){ string c; int a,b; tie(c,a,b) = e[i]; if(uf.same(a,b)) continue; uf.unite(a,b); if(uf.size(0) == n){ cout << c << endl; return 0; } } }