using A; using AtCoder; using AtCoder.Internal; using SourceExpander; using System; using System.Buffers; using System.Collections; using System.Collections.Generic; using System.Diagnostics; using System.Numerics; using System.Runtime.CompilerServices; using static A.InputUtility; class Program { static void Main() { using Output output = new(false); InputNewLine(); var (n, m) = (NextInt32, NextInt32); var edges = new (int, int)[m]; for (int i = 0; i < edges.Length; i++) { InputNewLine(); edges[i] = (NextInt32 - 1, NextInt32 - 1); } InputNewLine(); var c = GetInt32Array().Select(x => x - 1).ToArray(); var groups = new List[10]; for (int i = 0; i < groups.Length; i++) { groups[i] = new(); } for (int i = 0; i < c.Length; i++) { groups[c[i]].Add(i); } InputNewLine(); var w = GetInt64Array(); InputNewLine(); var q = NextInt32; var queries = new (int, int)[q]; for (int i = 0; i < q; i++) { InputNewLine(); queries[i] = (NextInt32 - 1, NextInt32 - 1); } long[] res = Enumerable.Repeat(long.MaxValue, q).ToArray(); bool[] enabled = new bool[n]; for (int i = 1; i < 1 << 10; i++) { Array.Clear(enabled); Dsu dsu = new(n); long cost = 0; for (int k = 0; k < 10; k++) { if (((i >> k) & 1) == 1) { cost += w[k]; foreach (var item in groups[k]) { enabled[item] = true; } } } foreach (var (u, v) in edges) { if (enabled[u] && enabled[v]) { dsu.Merge(u, v); } } foreach (var (edge, index) in queries.Enumerate()) { var (u, v) = edge; if (enabled[u] && enabled[v] && dsu.Same(u, v)) { res[index] = Math.Min(res[index], cost); } } } foreach (var cost in res) { Console.WriteLine(cost == long.MaxValue ? -1 : cost); } } } namespace A { public static class InputUtility { private static string[]? s_inputs; private static string? s_raw; private static int s_index = 0; private static void Init() => s_index = 0; public static int NextInt32 => int.Parse(s_inputs![s_index++]!); public static uint NextUInt32 => uint.Parse(s_inputs![s_index++]!); public static long NextInt64 => long.Parse(s_inputs![s_index++]!); public static ulong NextUInt64 => ulong.Parse(s_inputs![s_index++]!); public static string NextString => s_inputs![s_index++]; public static char NextChar => s_inputs![s_index++][0]; public static decimal NextDecimal => decimal.Parse(s_inputs![s_index++]!); public static BigInteger NextBigInteger => BigInteger.Parse(s_inputs![s_index++]!); public static int[] GetInt32Array() => s_inputs!.Select(int.Parse).ToArray(); public static long[] GetInt64Array() => s_inputs!.Select(long.Parse).ToArray(); public static string GetRawString() => s_raw!; #if DEBUG private static TextReader? s_textReader; public static void SetSource(string path) => s_textReader = new StringReader(File.ReadAllText(path)); #endif public static bool InputNewLine() { #if DEBUG if (s_textReader is TextReader sr) { Init(); s_raw = sr.ReadLine()!; s_inputs = s_raw.Split(' ', StringSplitOptions.RemoveEmptyEntries); return true; } #endif Init(); s_raw = Console.ReadLine()!; s_inputs = s_raw.Split(' ', StringSplitOptions.RemoveEmptyEntries); return true; } } public static class CombinationFunction { public static void PartedRotate(T[] a, int first1, int last1, int first2, int last2) { if (first1 == last1 || first2 == last2) return; int next = first2; while (first1 != next) { Swap(a, first1++, next++); if (first1 == last1) first1 = first2; if (next == last2) { next = first2; } else if (first1 == first2) { first2 = next; } } } public static bool NextCombinationImp(T[] a, int first1, int last1, int first2, int last2) where T : IComparable { if (first1 == last1 || first2 == last2) return false; int target = last1 - 1; int lastElem = last2 - 1; while (target != first1 && !(a[target].CompareTo(a[lastElem]) < 0)) target--; if (target == first1 && !(a[target].CompareTo(a[lastElem]) < 0)) { PartedRotate(a, first1, last1, first2, last2); return false; } int next = first2; while (!(a[target].CompareTo(a[next]) < 0)) next++; Swap(a, target++, next++); PartedRotate(a, target, last1, next, last2); return true; } public static bool NextCombination(T[] a, int first, int mid, int last) where T : IComparable => NextCombinationImp(a, first, mid, mid, last); public static bool PrevCombination(T[] a, int first, int mid, int last) where T : IComparable => NextCombinationImp(a, mid, last, first, mid); public static void Swap(T[] a, int i, int j) => (a[i], a[j]) = (a[j], a[i]); } public static class PermutationFunction { public static bool NextPermutation(T[] a) where T : IComparable { int n = a.Length; int i = n - 2; while (i >= 0 && a[i].CompareTo(a[i + 1]) >= 0) { i--; } if (i < 0) { return false; } int j = n - 1; while (a[j].CompareTo(a[i]) <= 0) { j--; } (a[i], a[j]) = (a[j], a[i]); Array.Reverse(a, i + 1, n - i - 1); return true; } } public readonly struct Output : IDisposable { private readonly StreamWriter _sw; #if DEBUG public Output(string path) { var fs = new FileStream(path, FileMode.Create, FileAccess.Write); _sw = new StreamWriter(fs); Console.SetOut(_sw); } #endif public Output(bool autoFlush) { _sw = new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = autoFlush }; Console.SetOut(_sw); } public void Dispose() { _sw.Dispose(); } [MethodImpl(MethodImplOptions.AggressiveInlining)] internal void Flush() { _sw.Flush(); } } public static class ArrayExtensions { public static void Swap(this T[] array, int i, int j) => (array[i], array[j]) = (array[j], array[i]); public static int LowerBound(this T[] a, T target) where T : IComparable { int ok = a.Length; int ng = -1; while (Math.Abs(ok - ng) > 1 && (ok + ng) / 2 is int mid) (ok, ng) = a[mid].CompareTo(target) >= 0 ? (mid, ng) : (ok, mid); return ok; } public static int UpperBound(this T[] a, T target) where T : IComparable { int ok = a.Length; int ng = -1; while (Math.Abs(ok - ng) > 1 && (ok + ng) / 2 is int mid) (ok, ng) = a[mid].CompareTo(target) > 0 ? (mid, ng) : (ok, mid); return ok; } public struct IndexedEnumerable : IEnumerable<(T item, int index)> { private readonly T[] _a; private readonly int _startIndex; public IndexedEnumerable(T[] a, int startIndex = 0) { _a = a; _startIndex = startIndex; } public readonly IndexedEnumerator GetEnumerator() => new IndexedEnumerator(_a, _startIndex); IEnumerator IEnumerable.GetEnumerator() => GetEnumerator(); IEnumerator<(T item, int index)> IEnumerable<(T item, int index)>.GetEnumerator() => GetEnumerator(); } public struct IndexedEnumerator : IEnumerator<(T item, int index)> { public readonly (T item, int index) Current => (_a[_index], _index + _startIndex); private int _index; private int _startIndex; private T[] _a; public IndexedEnumerator(T[] a, int startIndex) { _index = -1; _a = a; _startIndex = startIndex; } public bool MoveNext() => ++_index < _a.Length; readonly object IEnumerator.Current => Current; public readonly void Dispose() { } public void Reset() => _index = -1; } /// (T value, int index) public static IndexedEnumerable Enumerate(this T[] arr, int startIndex = 0) => new IndexedEnumerable(arr, startIndex); } public static class IEnumerableExtensions { public static IEnumerable Log(this IEnumerable source) { Console.WriteLine(string.Join(' ', source)); return source; } public static ScanEnumerable Scan( this IEnumerable source, TAccumulate seed, Func accumulator) where TSource : struct where TAccumulate : struct { return new ScanEnumerable(source, accumulator, seed); } public static IEnumerable ScanExSeed( this IEnumerable source, TAccumulate seed, Func accumulator) { var accumulation = new List(); var current = seed; foreach (var item in source) { current = accumulator(current, item); accumulation.Add(current); } return accumulation; } public readonly struct ScanEnumerable : IEnumerable where TSource : struct where TAccumulate : struct { private readonly IEnumerable _source; private readonly Func _accumulator; private readonly TAccumulate _seed; public ScanEnumerable(IEnumerable source, Func accumulator, TAccumulate seed) { _source = source; _accumulator = accumulator; _seed = seed; } public readonly ScanEnumerator GetEnumerator() => new(_source, _accumulator, _seed); readonly IEnumerator IEnumerable.GetEnumerator() => GetEnumerator(); readonly IEnumerator IEnumerable.GetEnumerator() => GetEnumerator(); } public struct ScanEnumerator : IEnumerator where TSource : struct where TAccumulate : struct { private readonly Func _accumulator; private readonly IEnumerator _enumerator; private TAccumulate _current; private bool _secondOrLaterElement = false; public ScanEnumerator(IEnumerable source, Func accumulator, TAccumulate seed) { _enumerator = source.GetEnumerator(); _accumulator = accumulator; _current = seed; } public readonly TAccumulate Current => _current; readonly object IEnumerator.Current => Current; public readonly void Dispose() { } public bool MoveNext() { if (_secondOrLaterElement) { if (_enumerator.MoveNext()) { _current = _accumulator(_current, _enumerator.Current); return true; } return false; } else { _secondOrLaterElement = true; return true; } } public void Reset() { throw new NotSupportedException(); } } public static IEnumerable Scan( this IEnumerable source, Func accumulator) { if (source is null) throw new ArgumentNullException(paramName: nameof(source)); if (accumulator is null) throw new ArgumentNullException(paramName: nameof(accumulator)); var accumulation = new List(); if (source.Any() is false) { return accumulation; } var current = source.First(); accumulation.Add(current); foreach (var item in source.Skip(1)) { current = accumulator(current, item); accumulation.Add(current); } return accumulation; } public static CombinationEnumerable Combination(this T[] a, int k) where T : IComparable => new(a, k); public readonly struct CombinationEnumerable where T : IComparable { private readonly T[] _a; private readonly int _k; public CombinationEnumerable(T[] a, int k) { _a = a; _k = k; } public readonly CombinationEnumerator GetEnumerator() => new(_a, _k); } public struct CombinationEnumerator : IEnumerator> where T : IComparable { private readonly int _k; private readonly T[] _a; private readonly int _n; private bool _secondOrLaterElement = false; public CombinationEnumerator(T[] a, int k) { _a = a; _n = a.Length; _k = k; } public readonly ReadOnlyMemory Current => _a.AsMemory()[.._k]; readonly object IEnumerator.Current => Current; public readonly void Dispose() { } public bool MoveNext() { if (_secondOrLaterElement) { return CombinationFunction.NextCombination(_a, 0, _k, _n); } else { _secondOrLaterElement = true; return true; } } public void Reset() { throw new NotSupportedException(); } } public static PermutationEnumerable Permutation(this T[] a) where T : IComparable => new(a); public readonly struct PermutationEnumerable where T : IComparable { private readonly T[] _a; public PermutationEnumerable(T[] a) => _a = a; public readonly PermutationEnumerator GetEnumerator() => new(_a); } public struct PermutationEnumerator : IEnumerator> where T : IComparable { private readonly T[] _a; private readonly int _n; private bool _secondOrLaterElement = false; public PermutationEnumerator(T[] a) { _a = a; _n = a.Length; } public readonly ReadOnlyMemory Current => _a.AsMemory()[..]; readonly object IEnumerator.Current => Current; public readonly void Dispose() { } public bool MoveNext() { if (_secondOrLaterElement) { return PermutationFunction.NextPermutation(_a); } else { _secondOrLaterElement = true; return true; } } public void Reset() => throw new NotSupportedException(); } } public class MyMath { public static long Pow(long x, int y) => Enumerable.Repeat(x, y).Aggregate(1L, (acc, x) => acc * x); public static long Pow10(int y) => Pow(10, y); public static long Pow2(int y) => Pow(2, y); } public class MyMathBigInteger { public static BigInteger Pow(long x, int y) => Enumerable.Repeat(x, y).Aggregate(new BigInteger(1), (acc, x) => acc * x); public static BigInteger Pow10(int y) => Pow(10, y); public static BigInteger Pow2(int y) => Pow(2, y); } } #region Expanded by https://github.com/kzrnm/SourceExpander namespace AtCoder{public class Dsu{public readonly int[]_parentOrSize;public Dsu(int n){_parentOrSize=new int[n];_parentOrSize.AsSpan().Fill(-1);}[MethodImpl(256)]public int Merge(int a,int b){int x=Leader(a),y=Leader(b);if(x==y)return x;if(-_parentOrSize[x]<-_parentOrSize[y])(x,y)=(y,x);_parentOrSize[x]+=_parentOrSize[y];_parentOrSize[y]=x;return x;}[MethodImpl(256)]public bool Same(int a,int b){return Leader(a)==Leader(b);}[MethodImpl(256)]public int Leader(int a){if(_parentOrSize[a]<0)return a;while(0<=_parentOrSize[_parentOrSize[a]]){(a,_parentOrSize[a])=(_parentOrSize[a],_parentOrSize[_parentOrSize[a]]);}return _parentOrSize[a];}[MethodImpl(256)]public int Size(int a){return-_parentOrSize[Leader(a)];}[MethodImpl(256)]public int[][]Groups(){int n=_parentOrSize.Length;int[]leaderBuf=new int[n];int[]id=new int[n];var resultList=new SimpleList(n);for(int i=0;i:IList,IReadOnlyList{public T[]data;private const int DefaultCapacity=2;public SimpleList(){data=new T[DefaultCapacity];}public SimpleList(int capacity){data=new T[Math.Max(capacity,DefaultCapacity)];}public SimpleList(IEnumerablecollection){if(collection is ICollectioncol){data=new T[col.Count];col.CopyTo(data,0);Count=col.Count;}else{data=new T[DefaultCapacity];foreach(var item in collection)Add(item);}}[MethodImpl(256)]public MemoryAsMemory()=>new Memory(data,0,Count);[MethodImpl(256)]public SpanAsSpan()=>new Span(data,0,Count);public ref T this[int index]{[MethodImpl(256)]get{if((uint)index>=(uint)Count)ThrowIndexOutOfRangeException();return ref data[index];}}public int Count{get;private set;}[MethodImpl(256)]public void Add(T item){if((uint)Count>=(uint)data.Length)Array.Resize(ref data,data.Length<<1);data[Count++]=item;}[MethodImpl(256)]public void RemoveLast(){if( --Count<0)ThrowIndexOutOfRangeException();}[MethodImpl(256)]public void RemoveLast(int size){if((Count-=size)<0)ThrowIndexOutOfRangeException();}[MethodImpl(256)]public SimpleListReverse(){Array.Reverse(data,0,Count);return this;}[MethodImpl(256)]public SimpleListReverse(int index,int count){Array.Reverse(data,index,count);return this;}[MethodImpl(256)]public SimpleListSort(){Array.Sort(data,0,Count);return this;}[MethodImpl(256)]public SimpleListSort(IComparercomparer){Array.Sort(data,0,Count,comparer);return this;}[MethodImpl(256)]public SimpleListSort(int index,int count,IComparercomparer){Array.Sort(data,index,count,comparer);return this;}[MethodImpl(256)]public void Clear()=>Count=0;[MethodImpl(256)]public bool Contains(T item)=>IndexOf(item)>=0;[MethodImpl(256)]public int IndexOf(T item)=>Array.IndexOf(data,item,0,Count);[MethodImpl(256)]public void CopyTo(T[]array,int arrayIndex)=>Array.Copy(data,0,array,arrayIndex,Count);[MethodImpl(256)]public T[]ToArray()=>AsSpan().ToArray();bool ICollection.IsReadOnly=>false;T IList.this[int index]{get=>data[index];set=>data[index]=value;}T IReadOnlyList.this[int index]{get=>data[index];}void IList.Insert(int index,T item)=>throw new NotSupportedException();bool ICollection.Remove(T item)=>throw new NotSupportedException();void IList.RemoveAt(int index)=>throw new NotSupportedException();IEnumerator IEnumerable.GetEnumerator()=>((IEnumerable)this).GetEnumerator();IEnumeratorIEnumerable.GetEnumerator(){for(int i=0;i.Enumerator GetEnumerator()=>AsSpan().GetEnumerator();private static void ThrowIndexOutOfRangeException()=>throw new IndexOutOfRangeException();}} namespace SourceExpander{public class Expander{[Conditional("EXP")]public static void Expand(string inputFilePath=null,string outputFilePath=null,bool ignoreAnyError=true){}public static string ExpandString(string inputFilePath=null,bool ignoreAnyError=true){return "";}}} #endregion Expanded by https://github.com/kzrnm/SourceExpander