結果
問題 | No.1065 電柱 / Pole (Easy) |
ユーザー |
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提出日時 | 2020-05-29 21:39:53 |
言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,610 bytes |
コンパイル時間 | 1,740 ms |
コンパイル使用メモリ | 177,312 KB |
実行使用メモリ | 51,576 KB |
最終ジャッジ日時 | 2024-11-06 02:57:37 |
合計ジャッジ時間 | 8,472 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 45 WA * 1 |
ソースコード
#include <bits/stdc++.h> #include <unistd.h> #include <sys/time.h> #include <stdlib.h> using namespace std; typedef long long ll; typedef pair<ll,ll> P; typedef pair<P, ll> T; typedef pair<long double , ll> Ps; long long int INF = 2e18; const ll fact_table = 3200008; double Pi = 3.1415926535897932384626; priority_queue <ll> pql; priority_queue <P> pqp; priority_queue <P> bag; //big priority queue priority_queue <ll,vector<ll>,greater<ll> > pqls; priority_queue <Ps,vector<Ps>,greater<Ps> > pqps; //small priority queue //top pop ll dx[8]={1,0,-1,0,1,1,-1,-1}; ll dy[8]={0,1,0,-1,1,-1,-1,1}; char dir[] = "DRUL"; //↓,→,↑,← #define endl "\n" #ifdef ENJAPMA #undef endl #endif #define p(x) cout<<x<<endl; #define el cout<<endl; #define pe(x) cout<<x<<" "; #define ps(x) cout<<fixed<<setprecision(25)<<x<<endl; #define pu(x) cout<<(x); #define pb push_back #define lb lower_bound #define ub upper_bound #define CLEAR(a) a = decltype(a)(); #define pc(x) cout << x << ","; // const ll mod = 998244353ll; const ll mod = 1000000007ll; ll mypow(ll number1,ll number2, ll mod){ if(number2 == 0){ return 1ll; }else{ ll number3 = mypow(number1,number2 / 2, mod); number3 *= number3; number3 %= mod; if(number2%2==1){ number3 *= number1; number3 %= mod; } return number3; } } void YES(bool condition){ if(condition){ p("YES"); }else{ p("NO"); } return; } void Yes(bool condition){ if(condition){ p("Yes"); }else{ p("No"); } return; } /* ll fact[fact_table + 5],rfact[fact_table + 5]; void c3_init(){ fact[0] = rfact[0] = 1; for(ll i=1; i<=fact_table; i++){ fact[i] = (fact[i-1]*i) % mod; } rfact[fact_table] = mypow(fact[fact_table],mod - 2, mod); for(ll i=fact_table; i>=1; i--){ rfact[i-1] = rfact[i] * i; rfact[i-1] %= mod; } return;} ll c3(ll n,ll r){ return (((fact[n] * rfact[r]) % mod ) * rfact[n-r]) % mod;} */ bool multicase = false; ll n,m,num,a,b,c,d,e,h,q; ll w, k, ans; long double x[500005], y[500005]; vector<Ps> G[500005]; long double table[500005]; long double distance(ll a, ll b){ long double xa = x[a], xb = x[b], ya = y[a], yb = y[b]; return sqrt((xa-xb) * (xa-xb) + (ya-yb) * (ya-yb)); } void solve(){ cin >> n >> m; ll s, t; cin >> s >> t; for(ll i=1;i<=n;i++){ cin >> x[i] >> y[i]; } for(ll i=1;i<=m;i++){ cin >> a >> b; long double cost = distance(a, b); G[a].pb(Ps(cost, b)); G[b].pb(Ps(cost, a)); } for(ll i=1;i<=n;i++){ table[i] = 99999999.99; } table[s] = 0.0; pqps.push(Ps(0.0, s)); while(!pqps.empty()){ Ps p = pqps.top(); pqps.pop(); ll v = p.second; long double nowcost = p.first; if(nowcost > table[v])continue; for(int i=0;i<G[v].size();i++){ ll nv = G[v][i].second; long double newcost = table[v] + G[v][i].first; if(table[nv] > newcost){ table[nv] = newcost; pqps.push(Ps(newcost, nv)); } } } long double ans = table[t]; ps(ans); return; } int main(){ // init(); ios::sync_with_stdio(false); cin.tie(nullptr); ll q, testcase = 1; if(multicase){ cin >> q; }else{ q = 1; } while(q--){ // pu("Case ");pu("#");pu(testcase);pu(": "); solve(); testcase++; } // solve(); return 0; }