結果

問題 No.1449 新プロランド
ユーザー leaf_1415leaf_1415
提出日時 2021-03-31 15:00:50
言語 C++11
(gcc 11.4.0)
結果
AC  
実行時間 737 ms / 2,000 ms
コード長 5,404 bytes
コンパイル時間 1,220 ms
コンパイル使用メモリ 94,404 KB
実行使用メモリ 133,088 KB
最終ジャッジ日時 2024-06-06 10:54:35
合計ジャッジ時間 8,602 ms
ジャッジサーバーID
（参考情報） 		judge3 / judge5
このコードへのチャレンジ
（要ログイン）

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 28 ms
63,296 KB
testcase_01 AC 34 ms
66,740 KB
testcase_02 AC 66 ms
76,508 KB
testcase_03 AC 36 ms
65,860 KB
testcase_04 AC 36 ms
65,860 KB
testcase_05 AC 719 ms
132,036 KB
testcase_06 AC 311 ms
103,752 KB
testcase_07 AC 215 ms
87,620 KB
testcase_08 AC 521 ms
115,652 KB
testcase_09 AC 208 ms
104,896 KB
testcase_10 AC 269 ms
98,760 KB
testcase_11 AC 177 ms
87,488 KB
testcase_12 AC 435 ms
110,276 KB
testcase_13 AC 203 ms
93,384 KB
testcase_14 AC 151 ms
83,732 KB
testcase_15 AC 426 ms
114,500 KB
testcase_16 AC 285 ms
100,424 KB
testcase_17 AC 296 ms
98,760 KB
testcase_18 AC 31 ms
66,028 KB
testcase_19 AC 54 ms
69,192 KB
testcase_20 AC 27 ms
63,300 KB
testcase_21 AC 190 ms
91,208 KB
testcase_22 AC 44 ms
68,728 KB
testcase_23 AC 361 ms
109,636 KB
testcase_24 AC 138 ms
86,216 KB
testcase_25 AC 58 ms
70,852 KB
testcase_26 AC 31 ms
65,476 KB
testcase_27 AC 737 ms
133,088 KB
testcase_28 AC 325 ms
116,012 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 <cstdio>
#include <cmath>
#include <ctime>
#include <cstdlib>
#include <cassert>
#include <vector>
#include <list>
#include <stack>
#include <queue>
#include <deque>
#include <map>
#include <set>
#include <bitset>
#include <string>
#include <algorithm>
#include <utility>
#include <complex>
#define rep(x, s, t) for(llint (x) = (s); (x) <= (t); (x)++)
#define reps(x, s) for(llint (x) = 0; (x) < (llint)(s).size(); (x)++)
#define chmin(x, y) (x) = min((x), (y))
#define chmax(x, y) (x) = max((x), (y))
#define sz(x) ((ll)(x).size())
#define ceil(x, y) (((x)+(y)-1) / (y))
#define all(x) (x).begin(),(x).end()
#define outl(...) dump_func(__VA_ARGS__)
#define inf 1e18

using namespace std;

typedef long long llint;
typedef long long ll;
typedef pair<ll, ll> P;

struct edge{
	ll to, cost;
	edge(){}
	edge(ll a, ll b){ to = a, cost = b;}
};
const ll dx[] = {1, 0, -1, 0}, dy[] = {0, -1, 0, 1};

const ll mod = 1000000007;
//const ll mod = 998244353;

struct mint{
	ll x = 0;
	mint(ll y = 0){x = y; if(x < 0 || x >= mod) x = (x%mod+mod)%mod;}
	mint(const mint &ope) {x = ope.x;}

	mint operator-(){return mint(-x);}
	mint operator+(const mint &ope){return mint(x) += ope;}
	mint operator-(const mint &ope){return mint(x) -= ope;}
	mint operator*(const mint &ope){return mint(x) *= ope;}
	mint operator/(const mint &ope){return mint(x) /= ope;}
	mint& operator+=(const mint &ope){
		x += ope.x;
		if(x >= mod) x -= mod;
		return *this;
	}
	mint& operator-=(const mint &ope){
		x += mod - ope.x;
		if(x >= mod) x -= mod;
		return *this;
	}
	mint& operator*=(const mint &ope){
		x *= ope.x, x %= mod;
		return *this;
	}
	mint& operator/=(const mint &ope){
		ll n = mod-2; mint mul = ope;
		while(n){
			if(n & 1) *this *= mul;
			mul *= mul;
			n >>= 1;
		}
		return *this;
	}
	mint inverse(){return mint(1) / *this;}
	bool operator ==(const mint &ope){return x == ope.x;}
	bool operator !=(const mint &ope){return x != ope.x;}
};
mint modpow(mint a, ll n){
	if(n == 0) return mint(1);
	if(n % 2) return a * modpow(a, n-1);
	else return modpow(a*a, n/2);
}
istream& operator >>(istream &is, mint &ope){
	ll t; is >> t, ope.x = t;
	return is;
}
ostream& operator <<(ostream &os, mint &ope){return os << ope.x;}
ostream& operator <<(ostream &os, const mint &ope){return os << ope.x;}

bool exceed(ll x, ll y, ll m){return x >= m / y + 1;}
void mark(){ cout << "*" << endl; }
void yes(){ cout << "Yes" << endl; }
void no(){ cout << "No" << endl; }
ll gcd(ll a, ll b){if(b == 0) return a; return gcd(b, a%b);}
ll digitnum(ll x, ll b = 10){ll ret = 0; for(; x; x /= b) ret++; return ret;}
ll digitsum(ll x, ll b = 10){ll ret = 0; for(; x; x /= b) ret += x % b; return ret;}

template<typename T>
ostream& operator << (ostream& os, vector<T>& vec) {
	for(int i = 0; i < vec.size(); i++) {
		os << vec[i] << (i + 1 == vec.size() ? "" : " ");
	}
	return os;
}
template<typename T>
ostream& operator << (ostream& os, deque<T>& deq) {
	for(int i = 0; i < deq.size(); i++) {
		os << deq[i] << (i + 1 == deq.size() ? "" : " ");
	}
	return os;
}
template<typename T, typename U>
ostream& operator << (ostream& os, pair<T, U>& pair_var) {
	os << "(" << pair_var.first << ", " << pair_var.second << ")";
	return os;
}
template<typename T, typename U>
ostream& operator << (ostream& os, const pair<T, U>& pair_var) {
	os << "(" << pair_var.first << ", " << pair_var.second << ")";
	return os;
}
template<typename T, typename U>
ostream& operator << (ostream& os, map<T, U>& map_var) {
	for(typename map<T, U>::iterator itr = map_var.begin(); itr != map_var.end(); itr++) {
		os << "(" << itr->first << ", " << itr->second << ")";
		itr++;
		if(itr != map_var.end()) os << ",";
		itr--;
	}
	return os;
}
template<typename T>
ostream& operator << (ostream& os, set<T>& set_var) {
	for(typename set<T>::iterator itr = set_var.begin(); itr != set_var.end(); itr++) {
		os << *itr;
		++itr;
		if(itr != set_var.end()) os << " ";
		itr--;
	}
	return os;
}
template<typename T>
void outa(T a[], ll s, ll t)
{
	for(ll i = s; i <= t; i++){ cout << a[i]; if(i < t) cout << " ";}
	cout << endl;
}
void dump_func() {cout << endl;}
template <class Head, class... Tail>
void dump_func(Head &&head, Tail &&... tail) {
	cout << head;
	if(sizeof...(Tail) > 0) cout << " ";
	dump_func(std::move(tail)...);
}

void dijkstra(vector<edge> G[], llint S, llint dist[])
{
	for(int i = 0; i <= 1500000; i++) dist[i] = inf;
	dist[S] = 0;

	priority_queue< P, vector<P>, greater<P> > Q;
	Q.push( make_pair(0, S) );

	llint v, d;
	while(Q.size()){
		d = Q.top().first;
		v = Q.top().second;
		Q.pop();
		if(dist[v] < d) continue;
		for(int i = 0; i < G[v].size(); i++){
			if(dist[G[v][i].to] > d + G[v][i].cost){
				dist[G[v][i].to] = d + G[v][i].cost;
				Q.push( make_pair(dist[G[v][i].to], G[v][i].to) );
			}
		}
	}
}

ll n, m;
ll u[105], v[105], w[105];
vector<edge> G[2000000];
ll dist[2000000];
ll t[105];

int main(void)
{
	ios::sync_with_stdio(0);
	cin.tie(0);

	ll T = 15000;

	cin >> n >> m;
	rep(i, 1, m) cin >> u[i] >> v[i] >> w[i];
	rep(i, 1, n) cin >> t[i];

	rep(i, 1, m){
		rep(j, 0, T){
			if(j+t[u[i]] && j+t[u[i]] <= T) G[j*n+u[i]].push_back(edge((j+t[u[i]])*n+v[i], w[i]/(j+t[u[i]])));
			if(j+t[v[i]] && j+t[v[i]] <= T) G[j*n+v[i]].push_back(edge((j+t[v[i]])*n+u[i], w[i]/(j+t[v[i]])));
		}
	}
	dijkstra(G, 1, dist);

	ll ans = inf;
	rep(i, 0, T) chmin(ans, dist[i*n+n]+i);
	outl(ans);

	return 0;
}
0