結果
| 問題 | No.807 umg tours |
| ユーザー |
 ひばち
|
| 提出日時 | 2019-08-20 01:40:38 |
| 言語 | C#(csc) (csc 3.9.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 11,184 bytes |
| コンパイル時間 | 1,862 ms |
| コンパイル使用メモリ | 114,816 KB |
| 実行使用メモリ | 60,008 KB |
| 最終ジャッジ日時 | 2024-04-15 17:22:43 |
| 合計ジャッジ時間 | 15,236 ms |
|
ジャッジサーバーID （参考情報） |
judge1 / judge4 |
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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 | WA | - |
| testcase_01 | WA | - |
| testcase_02 | WA | - |
| testcase_03 | WA | - |
| testcase_04 | WA | - |
| testcase_05 | WA | - |
| testcase_06 | AC | 39 ms
19,840 KB |
| testcase_07 | WA | - |
| testcase_08 | AC | 36 ms
19,584 KB |
| testcase_09 | AC | 37 ms
19,456 KB |
| testcase_10 | AC | 36 ms
19,584 KB |
| testcase_11 | WA | - |
| testcase_12 | WA | - |
| testcase_13 | WA | - |
| testcase_14 | WA | - |
| testcase_15 | WA | - |
| testcase_16 | WA | - |
| testcase_17 | WA | - |
| testcase_18 | WA | - |
| testcase_19 | WA | - |
| testcase_20 | WA | - |
| testcase_21 | WA | - |
| testcase_22 | WA | - |
| testcase_23 | WA | - |
| testcase_24 | AC | 683 ms
54,888 KB |
| testcase_25 | WA | - |
コンパイルメッセージ
Microsoft (R) Visual C# Compiler version 3.9.0-6.21124.20 (db94f4cc) Copyright (C) Microsoft Corporation. All rights reserved.
ソースコード
using System;
using System.Collections.Generic;
using System.Linq;
using System.IO;
using static System.Console;
using static System.Convert;
using static System.Math;
//using static System.Globalization.CultureInfo;
using System.Text;
class Program
{
private static void chmin<T>(ref T num, T val) where T : IComparable<T>
=> num = num.CompareTo(val) == 1 ? val : num;
private static void chmax<T>(ref T num, T val) where T : IComparable<T>
=> num = num.CompareTo(val) == -1 ? val : num;
static void Main(string[] args)
{
var pr = new Program();
var sw = new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false };
Console.SetOut(sw);
pr.Solve();
Console.Out.Flush();
}
List<Pair<long, int>>[] edge;
long[] dd;
long[][] dist;
void Solve()
{
int num, m;
Input.Make(out num, out m);
edge = Input.edge<Pair<long, int>>(num);
while (m-- > 0)
{
var abc = Input.ar;
abc[0]--;abc[1]--;
edge[abc[0]].Add(new Pair<long, int>(abc[2], abc[1]));
edge[abc[1]].Add(new Pair<long, int>(abc[2], abc[0]));
}
dist = Enumerable.Repeat(0, 2).Select(_ => Enumerable.Repeat(long.MaxValue,num).ToArray()).ToArray();
dd = Dijkstra(edge, 0);
dist[0][0] = dist[1][0] = 0;
for (var i = 0; i < num; i++)
if (dist[0][i] == long.MaxValue)
dp(i, 0);
for (var i = 0; i < num; i++)
WriteLine(dist[0][i]+dd[i]);
}
public static long[] Dijkstra(IList<IEnumerable<Pair<long, int>>> edges, int st)
{
var dist = Enumerable.Repeat(long.MaxValue, edges.Count).ToArray();
var pq = new PriorityQueue<Pair<long, int>>(false);
pq.Enqueue(new Pair<long, int>(0, st));
dist[st] = 0;
while (pq.Count != 0)
{
var p = pq.Dequeue();
if (dist[p.v2] < p.v1) continue;
foreach (var e in edges[p.v2])
if (dist[e.v2] > e.v1 + dist[p.v2])
{
dist[e.v2] = e.v1 + dist[p.v2];
pq.Enqueue(new Pair<long, int>(dist[e.v2], e.v2));
}
}
return dist;
}
long dp(int index,int use)
{
if (dist[use][index] != long.MaxValue) return dist[use][index];
var ct = long.MaxValue;
foreach (var ad in edge[index])
{
if (dd[index] <= dd[ad.v2]) continue;
if (use == 0)
chmin(ref ct, dp(ad.v2, 1));
chmin(ref ct, dp(ad.v2, 0)+ad.v1);
}
return dist[use][index] = ct;
}
}
public class Input
{
public static string read => ReadLine().Trim();
public static int[] ar => read.Split(' ').Select(int.Parse).ToArray();
public static int num => ToInt32(read);
public static long[] arL => read.Split(' ').Select(long.Parse).ToArray();
public static long numL => ToInt64(read);
public static T[] create<T>(int n, Func<int, T> f)
=> Enumerable.Repeat(0, n).Select(f).ToArray();
public static char[][] grid(int h)
=> create(h, _ => read.ToCharArray());
public static int[] ar1D(int n)
=> create(n, _ => num);
public static long[] arL1D(int n)
=> create(n, _ => numL);
public static string[] strs(int n)
=> create(n, _ => read);
public static int[][] ar2D(int n)
=> create(n, _ => ar);
public static long[][] arL2D(int n)
=> create(n, _ => arL);
public static List<T>[] edge<T>(int n)
=> create(n, _ => new List<T>());
public static T GetValue<T>(string g)
{
var t = typeof(T);
if (t == typeof(int))
return (T)(object)int.Parse(g);
if (t == typeof(long))
return (T)(object)long.Parse(g);
if (t == typeof(string))
return (T)(object)g;
if (t == typeof(char))
return (T)(object)char.Parse(g);
if (t == typeof(double))
return (T)(object)double.Parse(g);
if (t == typeof(bool))
return (T)(object)bool.Parse(g);
return default(T);
}
public static void Make<T1, T2>(out T1 v1, out T2 v2)
{
v1 = Next<T1>();
v2 = Next<T2>();
}
public static void Make<T1, T2, T3>(out T1 v1, out T2 v2, out T3 v3)
{
Make(out v1, out v2);
v3 = Next<T3>();
}
public static void Make<T1, T2, T3, T4>(out T1 v1, out T2 v2, out T3 v3, out T4 v4)
{
Make(out v1, out v2, out v3);
v4 = Next<T4>();
}
public static void Make<T1, T2, T3, T4, T5>(out T1 v1, out T2 v2, out T3 v3, out T4 v4, out T5 v5)
{
Make(out v1, out v2, out v3, out v4);
v5 = Next<T5>();
}
public static void Make<T1, T2, T3, T4, T5, T6>(out T1 v1, out T2 v2, out T3 v3, out T4 v4, out T5 v5, out T6 v6)
{
Make(out v1, out v2, out v3, out v4, out v5);
v6 = Next<T6>();
}
private static Queue<string> sc;
public static T Next<T>(){ sc = sc ?? new Queue<string>(); if (sc.Count == 0) foreach (var item in read.Split(' ')) sc.Enqueue(item);return GetValue<T>(sc.Dequeue()); }
public static void Next<T>(ref T val) => val = Next<T>();
public const long Inf = (long)1e18;
public const double eps = 1e-6;
public const string Alfa = "abcdefghijklmnopqrstuvwxyz";
public const int MOD = 1000000007;
}
public class Pair<T1, T2> : IComparable<Pair<T1, T2>>
{
public T1 v1 { get; set; }
public T2 v2 { get; set; }
public Pair() { v1 = Input.Next<T1>(); v2 = Input.Next<T2>(); }
public Pair(T1 v1, T2 v2)
{ this.v1 = v1; this.v2 = v2; }
public int CompareTo(Pair<T1, T2> p)
{
var c = Comparer<T1>.Default.Compare(v1, p.v1);
if (c == 0)
c = Comparer<T2>.Default.Compare(v2, p.v2);
return c;
}
public override string ToString()
=> $"{v1.ToString()} {v2.ToString()}";
public override bool Equals(object obj)
=> this == (Pair<T1, T2>)obj;
public override int GetHashCode()
=> v1.GetHashCode() ^ v2.GetHashCode();
public static bool operator ==(Pair<T1, T2> p1, Pair<T1, T2> p2)
=> p1.CompareTo(p2) == 0;
public static bool operator !=(Pair<T1, T2> p1, Pair<T1, T2> p2)
=> p1.CompareTo(p2) != 0;
public static bool operator >(Pair<T1, T2> p1, Pair<T1, T2> p2)
=> p1.CompareTo(p2) == 1;
public static bool operator >=(Pair<T1, T2> p1, Pair<T1, T2> p2)
=> p1.CompareTo(p2) != -1;
public static bool operator <(Pair<T1, T2> p1, Pair<T1, T2> p2)
=> p1.CompareTo(p2) == -1;
public static bool operator <=(Pair<T1, T2> p1, Pair<T1, T2> p2)
=> p1.CompareTo(p2) != 1;
}
public class Pair<T1, T2, T3> : Pair<T1, T2>, IComparable<Pair<T1, T2, T3>>
{
public T3 v3 { get; set; }
public Pair() : base() { v3 = Input.Next<T3>(); }
public Pair(T1 v1, T2 v2, T3 v3) : base(v1, v2)
{ this.v3 = v3; }
public int CompareTo(Pair<T1, T2, T3> p)
{
var c = base.CompareTo(p);
if (c == 0)
c = Comparer<T3>.Default.Compare(v3, p.v3);
return c;
}
public override string ToString()
=> $"{base.ToString()} {v3.ToString()}";
}
public class PriorityQueue<T> where T : IComparable<T>
{
public List<T> _item;
public int Count { get { return _item.Count; } }
public bool IsMaxHeap { get; set; }
public T Peek { get { return _item[0]; } }
public PriorityQueue(bool IsMaxHeap = true, IEnumerable<T> list = null)
{
_item = new List<T>();
this.IsMaxHeap = IsMaxHeap;
if (list != null)
{
_item.AddRange(list);
Build();
}
}
private int Compare(int i, int j) => (IsMaxHeap ? 1 : -1) * _item[i].CompareTo(_item[j]);
private void Swap(int i, int j) { var t = _item[i]; _item[i] = _item[j]; _item[j] = t; }
private int Parent(int i)
=> (i - 1) >> 1;
private int Left(int i)
=> (i << 1) + 1;
public T Enqueue(T val)
{
int i = _item.Count;
_item.Add(val);
while (i > 0)
{
int p = Parent(i);
if (Compare(i, p) > 0)
Swap(i, p);
i = p;
}
return val;
}
private void Heapify(int index)
{
for (int i = index, j; (j = Left(i)) < _item.Count; i = j)
{
if (j != _item.Count - 1 && Compare(j, j + 1) < 0) j++;
if (Compare(i, j) < 0)
Swap(i, j);
}
}
public T Dequeue()
{
T val = _item[0];
_item[0] = _item[_item.Count - 1];
_item.RemoveAt(_item.Count - 1);
Heapify(0);
return val;
}
private void Build()
{
for (var i = (_item.Count >> 1) - 1; i >= 0; i--)
Heapify(i);
}
}
public struct ModInt
{
public const long MOD = (int)1e9 + 7;
//public const long MOD = 998244353;
public long num { get; set; }
public ModInt(long n = 0) { num = n; }
private static ModInt[] _fac;//階乗
private static ModInt[] _inv;//逆数
private static ModInt[] _facrev;//1/(i!)
public override string ToString()
=> num.ToString();
public static ModInt operator +(ModInt l, ModInt r)
{
l.num += r.num;
if (l.num >= MOD) l.num -= MOD;
return l;
}
public static ModInt operator -(ModInt l, ModInt r)
{
l.num -= r.num;
if (l.num < 0) l.num += MOD;
return l;
}
public static ModInt operator *(ModInt l, ModInt r)
=> new ModInt(l.num * r.num % MOD);
public static ModInt operator /(ModInt l, ModInt r)
=> l * Pow(r, MOD - 2);
public static implicit operator long(ModInt l)
=> l.num;
public static implicit operator ModInt(long n)
{
n %= MOD; if (n < 0) n += MOD;
return new ModInt(n);
}
public static ModInt Pow(ModInt m, long n)
{
if (n == 0) return 1;
if (n % 2 == 0) return Pow(m * m, n >> 1);
else return Pow(m * m, n >> 1) * m;
}
public static void CombBuild(int n)
{
_fac = new ModInt[n + 1];
_facrev = new ModInt[n + 1];
_inv = new ModInt[n + 1];
_inv[1] = 1;
_fac[0] = _fac[1] = 1;
_facrev[0] = _facrev[1] = 1;
for (var i = 2; i <= n; i++)
{
_fac[i] = _fac[i - 1] * i;
_inv[i] = MOD - _inv[MOD % i] * (MOD / i);
_facrev[i] = _facrev[i - 1] * _inv[i];
}
}
public static ModInt Fac(ModInt n)
=> _fac[n];
public static ModInt Div(ModInt n)
=> _inv[n];
public static ModInt FacRev(ModInt n)
=> _facrev[n];
public static ModInt Part(ModInt n, ModInt r)
{
if (n < r) return 0;
return _fac[n] * _facrev[n - r];
}
public static ModInt Comb(ModInt n, ModInt r)
{
if (n < r) return 0;
if (n == r) return 1;
var calc = _fac[n];
calc = calc * _facrev[r];
calc = calc * _facrev[n - r];
return calc;
}
}