#686588 (C++14) No.1639 最小通信路

• 問題: No.1639 最小通信路
• ユーザー: t98slider
• 提出日時: 2021-08-06 22:03:19
• 言語: C++14 (gcc 12.3.0 + boost 1.83.0)
• 結果: AC
• 実行時間: 22 ms / 2,000 ms
• コード長: 3,893 bytes
• コンパイル時間: 9,693 ms
• コンパイル使用メモリ: 448,940 KB
• 実行使用メモリ: 5,376 KB
• 最終ジャッジ日時: 2024-09-17 02:02:05
• 合計ジャッジ時間: 10,837 ms
• ジャッジサーバーID （参考情報）: judge1 / judge6

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	7 ms; 5,376 KB
testcase_03	AC	22 ms; 5,376 KB
testcase_04	AC	21 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	5 ms; 5,376 KB
testcase_09	AC	2 ms; 5,376 KB
testcase_10	AC	3 ms; 5,376 KB
testcase_11	AC	5 ms; 5,376 KB
testcase_12	AC	3 ms; 5,376 KB
testcase_13	AC	6 ms; 5,376 KB
testcase_14	AC	2 ms; 5,376 KB
testcase_15	AC	3 ms; 5,376 KB
testcase_16	AC	4 ms; 5,376 KB
testcase_17	AC	5 ms; 5,376 KB
testcase_18	AC	2 ms; 5,376 KB
testcase_19	AC	3 ms; 5,376 KB
testcase_20	AC	6 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	3 ms; 5,376 KB
testcase_25	AC	4 ms; 5,376 KB
testcase_26	AC	2 ms; 5,376 KB
testcase_27	AC	2 ms; 5,376 KB
testcase_28	AC	2 ms; 5,376 KB
testcase_29	AC	8 ms; 5,376 KB
testcase_30	AC	11 ms; 5,376 KB
testcase_31	AC	3 ms; 5,376 KB
testcase_32	AC	9 ms; 5,376 KB
testcase_33	AC	3 ms; 5,376 KB
testcase_34	AC	9 ms; 5,376 KB
testcase_35	AC	17 ms; 5,376 KB
testcase_36	AC	7 ms; 5,376 KB
testcase_37	AC	9 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	3 ms; 5,376 KB
testcase_42	AC	11 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

#include <bits/stdc++.h>
#define all(v) v.begin(), v.end()
#define rall(v) v.rbegin(), v.rend()
#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define drep(i,j,n) for(int i=0;i<(int)(n-1);i++)for(int j=i+1;j<(int)(n);j++)
#define trep(i,j,k,n) for(int i=0;i<(int)(n-2);i++)for(int j=i+1;j<(int)(n-1);j++)for(int k=j+1;k<(int)(n);k++)
#define codefor int test;scanf("%d",&test);while(test--)
#define INT(...) int __VA_ARGS__;in(__VA_ARGS__)
#define LL(...) ll __VA_ARGS__;in(__VA_ARGS__)
#define yes(ans) if(ans)printf("yes\n");else printf("no\n")
#define Yes(ans) if(ans)printf("Yes\n");else printf("No\n")
#define YES(ans) if(ans)printf("YES\n");else printf("NO\n")
#define popcount(v) __builtin_popcount(v)
#define vector2d(type,name,h,...) vector<vector<type>>name(h,vector<type>(__VA_ARGS__))
#define vector3d(type,name,h,w,...) vector<vector<vector<type>>>name(h,vector<vector<type>>(w,vector<type>(__VA_ARGS__)))
#define umap unordered_map
#define uset unordered_set
using namespace std;
using ll = long long;
const int MOD=1000000007;
const int MOD2=998244353;
const int INF=1<<30;
const ll INF2=1LL<<60;
//入力系
void scan(int& a){scanf("%d",&a);}
void scan(long long& a){scanf("%lld",&a);}
template<class T,class L>void scan(pair<T, L>& p){scan(p.first);scan(p.second);}
template<class T,class U,class V>void scan(tuple<T,U,V>& p){scan(get<0>(p));scan(get<1>(p));scan(get<2>(p));}
template<class T> void scan(T& a){cin>>a;}
template<class T> void scan(vector<T>& vec){for(auto&& it:vec)scan(it);}
void in(){}
template <class Head, class... Tail> void in(Head& head, Tail&... tail){scan(head);in(tail...);}
//出力系
void print(const int& a){printf("%d",a);}
void print(const long long& a){printf("%lld",a);}
void print(const double& a){printf("%.15lf",a);}
template<class T,class L>void print(const pair<T, L>& p){print(p.first);putchar(' ');print(p.second);}
template<class T> void print(const T& a){cout<<a;}
template<class T> void print(const vector<T>& vec){if(vec.empty())return;print(vec[0]);for(auto it=vec.begin();++it!= vec.end();){putchar(' ');print(*it);}}
void out(){putchar('\n');}
template<class T> void out(const T& t){print(t);putchar('\n');}
template <class Head, class... Tail> void out(const Head& head,const Tail&... tail){print(head);putchar(' ');out(tail...);}
//デバッグ系
template<class T> void dprint(const T& a){cerr<<a;}
template<class T> void dprint(const vector<T>& vec){if(vec.empty())return;cerr<<vec[0];for(auto it=vec.begin();++it!= vec.end();){cerr<<" "<<*it;}}
void debug(){cerr<<endl;}
template<class T> void debug(const T& t){dprint(t);cerr<<endl;}
template <class Head, class... Tail> void debug(const Head& head, const Tail&... tail){dprint(head);cerr<<" ";debug(tail...);}
ll intpow(ll a, ll b){ ll ans = 1; while(b){ if(b & 1) ans *= a; a *= a; b /= 2; } return ans; }
ll modpow(ll a, ll b, ll p){ ll ans = 1; while(b){ if(b & 1) (ans *= a) %= p; (a *= a) %= p; b /= 2; } return ans; }
ll modinv(ll a, ll m) {ll b = m, u = 1, v = 0;while (b) {ll t = a / b;a -= t * b; swap(a, b);u -= t * v; swap(u, v);}u %= m;if (u < 0) u += m;return u;}
ll updivide(ll a,ll b){return (a+b-1)/b;}
template<class T> void chmax(T &a,const T b){if(b>a)a=b;}
template<class T> void chmin(T &a,const T b){if(b<a)a=b;}

#include <boost/multiprecision/cpp_dec_float.hpp>
#include <boost/multiprecision/cpp_int.hpp>
#include <boost/rational.hpp>
#include <atcoder/all>
namespace mp = boost::multiprecision;
using Bint = mp::cpp_int;

int main(){
  INT(n);
  atcoder::dsu uf(n);
  vector<tuple<Bint,int,int>> vec(n*(n-1)/2);
  Bint ans=0;
  rep(i,n*(n-1)/2){
    cin>>get<1>(vec[i])>>get<2>(vec[i])>>get<0>(vec[i]);
    get<1>(vec[i])--;
    get<2>(vec[i])--;
  }
  sort(all(vec));
  rep(i,n*(n-1)/2){
    if(uf.same(get<1>(vec[i]),get<2>(vec[i])))continue;
    uf.merge(get<1>(vec[i]),get<2>(vec[i]));
    ans=max(ans,get<0>(vec[i]));
  }
  cout<<ans<<endl;
}