結果
問題 | No.888 約数の総和 |
ユーザー | りあん |
提出日時 | 2019-09-20 21:53:16 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 34 ms / 2,000 ms |
コード長 | 8,210 bytes |
コンパイル時間 | 1,168 ms |
コンパイル使用メモリ | 114,944 KB |
実行使用メモリ | 17,664 KB |
最終ジャッジ日時 | 2024-09-14 17:19:10 |
合計ジャッジ時間 | 3,008 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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 | 22 ms
17,664 KB |
testcase_01 | AC | 22 ms
17,536 KB |
testcase_02 | AC | 22 ms
17,408 KB |
testcase_03 | AC | 24 ms
17,408 KB |
testcase_04 | AC | 23 ms
17,536 KB |
testcase_05 | AC | 22 ms
17,536 KB |
testcase_06 | AC | 22 ms
17,536 KB |
testcase_07 | AC | 22 ms
17,664 KB |
testcase_08 | AC | 22 ms
17,536 KB |
testcase_09 | AC | 22 ms
17,408 KB |
testcase_10 | AC | 22 ms
17,408 KB |
testcase_11 | AC | 22 ms
17,408 KB |
testcase_12 | AC | 22 ms
17,664 KB |
testcase_13 | AC | 23 ms
17,280 KB |
testcase_14 | AC | 22 ms
17,664 KB |
testcase_15 | AC | 22 ms
17,536 KB |
testcase_16 | AC | 23 ms
17,280 KB |
testcase_17 | AC | 22 ms
17,664 KB |
testcase_18 | AC | 33 ms
17,280 KB |
testcase_19 | AC | 31 ms
17,408 KB |
testcase_20 | AC | 28 ms
17,664 KB |
testcase_21 | AC | 33 ms
17,536 KB |
testcase_22 | AC | 33 ms
17,408 KB |
testcase_23 | AC | 23 ms
17,536 KB |
testcase_24 | AC | 27 ms
17,408 KB |
testcase_25 | AC | 28 ms
17,664 KB |
testcase_26 | AC | 28 ms
17,536 KB |
testcase_27 | AC | 30 ms
17,664 KB |
testcase_28 | AC | 31 ms
17,408 KB |
testcase_29 | AC | 31 ms
17,408 KB |
testcase_30 | AC | 32 ms
17,408 KB |
testcase_31 | AC | 33 ms
17,664 KB |
testcase_32 | AC | 34 ms
17,280 KB |
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.Linq.Expressions; using System.IO; using System.Threading; using System.Text; using System.Diagnostics; using static util; using P = pair<int, int>; using CALC = System.Func<int[], int[], int[]>; using FU = System.Func<int[], int, int, int[], int[]>; using APPLY = System.Func<int[], System.Func<int[], int, int, int[], int[]>, int, int ,int[]>; using MERGE = System.Func<System.Func<int[], int, int, int[], int[]>, System.Func<int[], int, int, int[], int[]>, System.Func<int[], int, int, int[], int[]>>; using Binary = System.Func<System.Linq.Expressions.ParameterExpression, System.Linq.Expressions.ParameterExpression, System.Linq.Expressions.BinaryExpression>; using Unary = System.Func<System.Linq.Expressions.ParameterExpression, System.Linq.Expressions.UnaryExpression>; class Program { static StreamWriter sw = new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false }; static Scan sc = new Scan(); const int M = 1000000007; const int M2 = 998244353; const long LM = 1L << 60; const double eps = 1e-11; static void DBG(string a) => Console.WriteLine(a); static void DBG<T>(IEnumerable<T> a) => DBG(string.Join(" ", a)); static void DBG(params object[] a) => DBG(string.Join(" ", a)); static void Prt(string a) => sw.WriteLine(a); static void Prt<T>(IEnumerable<T> a) => Prt(string.Join(" ", a)); static void Prt(params object[] a) => Prt(string.Join(" ", a)); static void Main(string[] args) { var solver = new Solver(); // var t = new Thread(solver.solve, 1 << 26); // 64 MB // t.Start(); // t.Join(); solver.solve(); sw.Flush(); } class Solver { public void solve() { var n = sc.Long; long ans = 0; for (long i = 1; i * i <= n; i++) { if (n % i == 0) { ans += i; if (n / i != i) ans += n / i; } } Prt(ans); } // end Solver.solve } } class pair<T, U> : IComparable<pair<T, U>> { public T v1; public U v2; public pair() : this(default(T), default(U)) {} public pair(T v1, U v2) { this.v1 = v1; this.v2 = v2; } public int CompareTo(pair<T, U> a) { int c = Comparer<T>.Default.Compare(v1, a.v1); return c != 0 ? c : Comparer<U>.Default.Compare(v2, a.v2); } public override string ToString() => v1 + " " + v2; public void Deconstruct(out T a, out U b) { a = v1; b = v2; } public static bool operator>(pair<T, U> a, pair<T, U> b) => a.CompareTo(b) > 0; public static bool operator<(pair<T, U> a, pair<T, U> b) => a.CompareTo(b) < 0; public static bool operator>=(pair<T, U> a, pair<T, U> b) => a.CompareTo(b) >= 0; public static bool operator<=(pair<T, U> a, pair<T, U> b) => a.CompareTo(b) <= 0; } static class util { public static pair<T, U> make_pair<T, U>(T v1, U v2) => new pair<T, U>(v1, v2); public static T sq<T>(T a) => Operator<T>.Multiply(a, a); public static T Max<T>(params T[] a) => a.Max(); public static T Min<T>(params T[] a) => a.Min(); public static bool inside(int i, int j, int h, int w) => i >= 0 && i < h && j >= 0 && j < w; static readonly int[] dd = { 0, 1, 0, -1 }; static readonly string dstring = "RDLU"; public static P[] adjacents(this P p) => adjacents(p.v1, p.v2); public static P[] adjacents(this P p, int h, int w) => adjacents(p.v1, p.v2, h, w); public static pair<P, char>[] adjacents_with_str(int i, int j) => Enumerable.Range(0, dd.Length).Select(k => new pair<P, char>(new P(i + dd[k], j + dd[k ^ 1]), dstring[k])).ToArray(); public static pair<P, char>[] adjacents_with_str(int i, int j, int h, int w) => Enumerable.Range(0, dd.Length).Select(k => new pair<P, char>(new P(i + dd[k], j + dd[k ^ 1]), dstring[k])) .Where(p => inside(p.v1.v1, p.v1.v2, h, w)).ToArray(); public static P[] adjacents(int i, int j) => Enumerable.Range(0, dd.Length).Select(k => new P(i + dd[k], j + dd[k ^ 1])).ToArray(); public static P[] adjacents(int i, int j, int h, int w) => Enumerable.Range(0, dd.Length).Select(k => new P(i + dd[k], j + dd[k ^ 1])).Where(p => inside(p.v1, p.v2, h, w)).ToArray(); public static void Assert(bool cond) { if (!cond) throw new Exception(); } public static Dictionary<T, int> compress<T>(this IEnumerable<T> a) => a.Distinct().OrderBy(v => v).Select((v, i) => new { v, i }).ToDictionary(p => p.v, p => p.i); public static Dictionary<T, int> compress<T>(params IEnumerable<T>[] a) => compress(a.Aggregate(Enumerable.Union)); public static T[] inv<T>(this Dictionary<T, int> dic) { var res = new T[dic.Count]; foreach (var item in dic) res[item.Value] = item.Key; return res; } public static void swap<T>(ref T a, ref T b) where T : struct { var t = a; a = b; b = t; } public static void swap<T>(this IList<T> a, int i, int j) where T : struct { var t = a[i]; a[i] = a[j]; a[j] = t; } public static T[] copy<T>(this IList<T> a) { var ret = new T[a.Count]; for (int i = 0; i < a.Count; i++) ret[i] = a[i]; return ret; } } static class Operator<T> { static readonly ParameterExpression x = Expression.Parameter(typeof(T), "x"); static readonly ParameterExpression y = Expression.Parameter(typeof(T), "y"); public static readonly Func<T, T, T> Add = Lambda(Expression.Add); public static readonly Func<T, T, T> Subtract = Lambda(Expression.Subtract); public static readonly Func<T, T, T> Multiply = Lambda(Expression.Multiply); public static readonly Func<T, T, T> Divide = Lambda(Expression.Divide); public static readonly Func<T, T> Plus = Lambda(Expression.UnaryPlus); public static readonly Func<T, T> Negate = Lambda(Expression.Negate); public static Func<T, T, T> Lambda(Binary op) => Expression.Lambda<Func<T, T, T>>(op(x, y), x, y).Compile(); public static Func<T, T> Lambda(Unary op) => Expression.Lambda<Func<T, T>>(op(x), x).Compile(); } class Scan { StreamReader sr; public Scan() { sr = new StreamReader(Console.OpenStandardInput()); } public Scan(string path) { sr = new StreamReader(path); } public int Int => int.Parse(Str); public long Long => long.Parse(Str); public double Double => double.Parse(Str); public string Str => sr.ReadLine().Trim(); public pair<T, U> Pair<T, U>() { T a; U b; Multi(out a, out b); return new pair<T, U>(a, b); } public P P => Pair<int, int>(); public int[] IntArr => StrArr.Select(int.Parse).ToArray(); public long[] LongArr => StrArr.Select(long.Parse).ToArray(); public double[] DoubleArr => StrArr.Select(double.Parse).ToArray(); public string[] StrArr => Str.Split(new[]{' '}, StringSplitOptions.RemoveEmptyEntries); bool eq<T, U>() => typeof(T).Equals(typeof(U)); T ct<T, U>(U a) => (T)Convert.ChangeType(a, typeof(T)); T cv<T>(string s) => eq<T, int>() ? ct<T, int>(int.Parse(s)) : eq<T, long>() ? ct<T, long>(long.Parse(s)) : eq<T, double>() ? ct<T, double>(double.Parse(s)) : eq<T, char>() ? ct<T, char>(s[0]) : ct<T, string>(s); public void Multi<T>(out T a) => a = cv<T>(Str); public void Multi<T, U>(out T a, out U b) { var ar = StrArr; a = cv<T>(ar[0]); b = cv<U>(ar[1]); } public void Multi<T, U, V>(out T a, out U b, out V c) { var ar = StrArr; a = cv<T>(ar[0]); b = cv<U>(ar[1]); c = cv<V>(ar[2]); } public void Multi<T, U, V, W>(out T a, out U b, out V c, out W d) { var ar = StrArr; a = cv<T>(ar[0]); b = cv<U>(ar[1]); c = cv<V>(ar[2]); d = cv<W>(ar[3]); } public void Multi<T, U, V, W, X>(out T a, out U b, out V c, out W d, out X e) { var ar = StrArr; a = cv<T>(ar[0]); b = cv<U>(ar[1]); c = cv<V>(ar[2]); d = cv<W>(ar[3]); e = cv<X>(ar[4]); } }