結果

問題 No.1065 電柱 / Pole (Easy)
ユーザー heno239heno239
提出日時 2020-08-02 17:44:12
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 270 ms / 2,000 ms
コード長 3,533 bytes
コンパイル時間 1,387 ms
コンパイル使用メモリ 124,360 KB
実行使用メモリ 37,568 KB
最終ジャッジ日時 2023-09-26 07:31:02
合計ジャッジ時間 11,149 ms
ジャッジサーバーID
(参考情報)
judge15 / judge12
このコードへのチャレンジ
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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 3 ms
7,560 KB
testcase_01 AC 4 ms
7,608 KB
testcase_02 AC 101 ms
20,788 KB
testcase_03 AC 140 ms
36,524 KB
testcase_04 AC 141 ms
37,568 KB
testcase_05 AC 106 ms
36,452 KB
testcase_06 AC 104 ms
35,440 KB
testcase_07 AC 31 ms
13,436 KB
testcase_08 AC 107 ms
31,612 KB
testcase_09 AC 13 ms
9,320 KB
testcase_10 AC 51 ms
18,024 KB
testcase_11 AC 36 ms
14,588 KB
testcase_12 AC 27 ms
14,560 KB
testcase_13 AC 123 ms
24,512 KB
testcase_14 AC 141 ms
28,432 KB
testcase_15 AC 165 ms
30,872 KB
testcase_16 AC 79 ms
20,604 KB
testcase_17 AC 183 ms
33,244 KB
testcase_18 AC 52 ms
17,076 KB
testcase_19 AC 171 ms
31,212 KB
testcase_20 AC 40 ms
13,500 KB
testcase_21 AC 59 ms
20,092 KB
testcase_22 AC 153 ms
30,756 KB
testcase_23 AC 5 ms
7,860 KB
testcase_24 AC 5 ms
7,916 KB
testcase_25 AC 24 ms
13,968 KB
testcase_26 AC 87 ms
21,316 KB
testcase_27 AC 89 ms
21,244 KB
testcase_28 AC 162 ms
32,208 KB
testcase_29 AC 18 ms
11,780 KB
testcase_30 AC 169 ms
34,180 KB
testcase_31 AC 112 ms
27,104 KB
testcase_32 AC 70 ms
19,100 KB
testcase_33 AC 172 ms
34,536 KB
testcase_34 AC 56 ms
16,788 KB
testcase_35 AC 179 ms
34,068 KB
testcase_36 AC 5 ms
7,796 KB
testcase_37 AC 5 ms
7,896 KB
testcase_38 AC 5 ms
7,920 KB
testcase_39 AC 5 ms
7,848 KB
testcase_40 AC 4 ms
7,780 KB
testcase_41 AC 270 ms
33,200 KB
testcase_42 AC 69 ms
15,112 KB
testcase_43 AC 133 ms
21,284 KB
testcase_44 AC 39 ms
12,472 KB
testcase_45 AC 127 ms
20,920 KB
testcase_46 AC 4 ms
7,600 KB
testcase_47 AC 4 ms
7,552 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

#include<iostream>
#include<string>
#include<cstdio>
#include<vector>
#include<cmath>
#include<algorithm>
#include<functional>
#include<iomanip>
#include<queue>
#include<ciso646>
#include<random>
#include<map>
#include<set>
#include<bitset>
#include<stack>
#include<unordered_map>
#include<utility>
#include<cassert>
#include<complex>
#include<numeric>
using namespace std;

//#define int long long
typedef long long ll;

typedef unsigned long long ul;
typedef unsigned int ui;
constexpr ll mod = 998244353;
const ll INF = mod * mod;
typedef pair<int, int>P;
#define stop char nyaa;cin>>nyaa;
#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);

ll mod_pow(ll x, ll n, ll m) {
	ll res = 1;
	while (n) {
		if (n & 1)res = res * x % m;
		x = x * x % 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;
}

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];
}

struct edge {
	int to; ld cost;
};
using speP = pair<ld, int>;
void solve() {
	int n, m; cin >> n >> m;
	vector<vector<edge>> G(n);
	vector<int> x(n), y(n);
	int s, t; cin >> s >> t; s--; t--;
	rep(i, n)cin >> x[i] >> y[i];
	rep(i, m) {
		int p, q; cin >> p >> q; p--; q--;
		ld dist = sqrtl(pow(x[p] - x[q], 2) + pow(y[p] - y[q], 2));
		G[p].push_back({ q,dist });
		G[q].push_back({ p,dist });
	}
	vector<ld> dist(n, INF);
	dist[s] = 0;
	priority_queue<speP, vector<speP>, greater<speP>> q;
	q.push({ 0,s });
	while (!q.empty()) {
		speP p = q.top(); q.pop();
		int id = p.second;
		if (dist[id] < p.first)continue;
		for (edge e : G[id]) {
			ld nd = e.cost + dist[id];
			if (nd < dist[e.to]) {
				dist[e.to] = nd;
				q.push({ nd,e.to });
			}
		}
	}
	cout << dist[t] << "\n";
}




signed main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout << fixed << setprecision(10);
	//init_f();
	//cout << grandy(2, 3, false, false) << "\n";
	//int t; cin >> t; rep(i, t)
		solve();
	return 0;
}
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