結果
問題 | No.1065 電柱 / Pole (Easy) |
ユーザー | kissshot7 |
提出日時 | 2021-01-14 18:29:27 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 236 ms / 2,000 ms |
コード長 | 3,908 bytes |
コンパイル時間 | 1,884 ms |
コンパイル使用メモリ | 178,512 KB |
実行使用メモリ | 27,520 KB |
最終ジャッジ日時 | 2024-11-24 10:38:35 |
合計ジャッジ時間 | 7,641 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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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 | 9 ms
12,416 KB |
testcase_01 | AC | 9 ms
12,416 KB |
testcase_02 | AC | 120 ms
20,096 KB |
testcase_03 | AC | 147 ms
27,400 KB |
testcase_04 | AC | 154 ms
27,276 KB |
testcase_05 | AC | 120 ms
27,272 KB |
testcase_06 | AC | 120 ms
27,276 KB |
testcase_07 | AC | 44 ms
16,128 KB |
testcase_08 | AC | 147 ms
26,880 KB |
testcase_09 | AC | 20 ms
13,568 KB |
testcase_10 | AC | 69 ms
18,688 KB |
testcase_11 | AC | 50 ms
16,768 KB |
testcase_12 | AC | 30 ms
15,872 KB |
testcase_13 | AC | 104 ms
21,884 KB |
testcase_14 | AC | 137 ms
23,728 KB |
testcase_15 | AC | 164 ms
25,092 KB |
testcase_16 | AC | 73 ms
19,648 KB |
testcase_17 | AC | 182 ms
26,160 KB |
testcase_18 | AC | 53 ms
17,408 KB |
testcase_19 | AC | 170 ms
25,208 KB |
testcase_20 | AC | 46 ms
15,872 KB |
testcase_21 | AC | 57 ms
18,944 KB |
testcase_22 | AC | 147 ms
24,408 KB |
testcase_23 | AC | 9 ms
12,672 KB |
testcase_24 | AC | 10 ms
12,800 KB |
testcase_25 | AC | 27 ms
15,872 KB |
testcase_26 | AC | 79 ms
19,868 KB |
testcase_27 | AC | 80 ms
20,080 KB |
testcase_28 | AC | 142 ms
25,080 KB |
testcase_29 | AC | 21 ms
14,720 KB |
testcase_30 | AC | 166 ms
26,124 KB |
testcase_31 | AC | 114 ms
22,800 KB |
testcase_32 | AC | 71 ms
18,752 KB |
testcase_33 | AC | 163 ms
26,748 KB |
testcase_34 | AC | 54 ms
17,408 KB |
testcase_35 | AC | 147 ms
26,508 KB |
testcase_36 | AC | 9 ms
12,544 KB |
testcase_37 | AC | 10 ms
12,800 KB |
testcase_38 | AC | 9 ms
12,544 KB |
testcase_39 | AC | 9 ms
12,928 KB |
testcase_40 | AC | 8 ms
12,544 KB |
testcase_41 | AC | 236 ms
27,520 KB |
testcase_42 | AC | 64 ms
17,024 KB |
testcase_43 | AC | 117 ms
20,352 KB |
testcase_44 | AC | 43 ms
15,232 KB |
testcase_45 | AC | 118 ms
20,224 KB |
testcase_46 | AC | 9 ms
12,544 KB |
testcase_47 | AC | 8 ms
12,416 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; //#define int long long typedef long long ll; typedef unsigned long long ul; typedef unsigned int ui; const ll mod = 1000000007; // const ll mod = 998244353; const ll INF = mod * mod; const int INF_N = 1e+9; typedef pair<int, int> P; #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++) #define all(v) (v).begin(),(v).end() typedef pair<ll, ll> LP; typedef long double ld; typedef pair<ld, ld> LDP; const ld eps = 1e-12; const ld pi = acos(-1.0); //typedef vector<vector<ll>> mat; typedef vector<int> vec; //繰り返し二乗法 ll mod_pow(ll a, ll n, ll m) { ll res = 1; while (n) { if (n & 1)res = res * a%m; a = a * a%m; n >>= 1; } return res; } struct modint { ll n; modint() :n(0) { ; } modint(ll m) :n(m) { if (n >= mod)n %= mod; else if (n < 0)n = (n%mod + mod) % mod; } operator int() { return n; } }; bool operator==(modint a, modint b) { return a.n == b.n; } modint operator+=(modint &a, modint b) { a.n += b.n; if (a.n >= mod)a.n -= mod; return a; } modint operator-=(modint &a, modint b) { a.n -= b.n; if (a.n < 0)a.n += mod; return a; } modint operator*=(modint &a, modint b) { a.n = ((ll)a.n*b.n) % mod; return a; } modint operator+(modint a, modint b) { return a += b; } modint operator-(modint a, modint b) { return a -= b; } modint operator*(modint a, modint b) { return a *= b; } modint operator^(modint a, int n) { if (n == 0)return modint(1); modint res = (a*a) ^ (n / 2); if (n % 2)res = res * a; return res; } //逆元(Eucledean algorithm) ll inv(ll a, ll p) { return (a == 1 ? 1 : (1 - p * inv(p%a, a)) / a + p); } modint operator/(modint a, modint b) { return a * modint(inv(b, mod)); } const int max_n = 1 << 18; modint fact[max_n], factinv[max_n]; void init_f() { fact[0] = modint(1); for (int i = 0; i < max_n - 1; i++) { fact[i + 1] = fact[i] * modint(i + 1); } factinv[max_n - 1] = modint(1) / fact[max_n - 1]; for (int i = max_n - 2; i >= 0; i--) { factinv[i] = factinv[i + 1] * modint(i + 1); } } modint comb(int a, int b) { if (a < 0 || b < 0 || a < b)return 0; return fact[a] * factinv[b] * factinv[a - b]; } using mP = pair<modint, modint>; int dx[4] = { 0,1,0,-1 }; int dy[4] = { 1,0,-1,0 }; typedef pair<double, int> PP; // 負の閉路がある場合は使用不可 const int MAX_V=200005; // const int MAX_V=2005; struct edge { int to; double cost; }; // <最短距離, 頂点の番号> // using P = pair<int, int>; int V; vector<edge> G[MAX_V]; double d[MAX_V]; int pre[MAX_V]; void dijkstra(int s) { priority_queue<PP, vector<PP>, greater<PP> > que; fill(d, d+V, INF); fill(pre, pre+V, -1); d[s] = 0; que.push(PP(0, s)); while (!que.empty()) { PP p = que.top(); que.pop(); int v = p.second; if (d[v] < p.first) continue; for (int i=0; i<G[v].size(); ++i) { edge e = G[v][i]; if (d[e.to] > d[v] + e.cost) { d[e.to] = d[v] + e.cost; pre[e.to] = v; que.push(PP(d[e.to], e.to)); } } } } void solve() { int n, m; cin >> n >> m; V = n; int x, y; cin >> x >> y; x--; y--; vector<double> p(n), q(n); rep(i, n) cin >> p[i] >> q[i]; rep(i, m){ int a, b; cin >> a >> b; a--; b--; double d = sqrt((p[a]-p[b])*(p[a]-p[b]) + (q[a]-q[b])*(q[a]-q[b])); G[a].push_back({b, d}); G[b].push_back({a, d}); } dijkstra(x); cout << d[y] << endl; } signed main() { ios::sync_with_stdio(false); cin.tie(0); cout << fixed << setprecision(10); //init_f(); //init(); //int t; cin >> t; rep(i, t)solve(); solve(); // stop return 0; }