結果
| 問題 |
No.577 Prime Powerful Numbers
|
| コンテスト | |
| ユーザー |
sekiya9311
|
| 提出日時 | 2017-10-14 00:18:57 |
| 言語 | C#(csc) (csc 3.9.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 3,735 bytes |
| コンパイル時間 | 1,102 ms |
| コンパイル使用メモリ | 113,656 KB |
| 実行使用メモリ | 48,860 KB |
| 最終ジャッジ日時 | 2024-11-17 18:26:03 |
| 合計ジャッジ時間 | 14,061 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | WA * 1 |
| other | WA * 6 TLE * 4 |
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.Text;
using System.Threading.Tasks;
namespace ProgrammingContest
{
class MainClass
{
Scanner sc;
static void Main(string[] args)
{
//new MainClass().MakeTestCase();
new MainClass().Solve();
}
void MakeTestCase()
{
Random rand = new Random();
string backPath = "..";
char dirSep = System.IO.Path.DirectorySeparatorChar;
string inFilePath = backPath + dirSep + backPath + dirSep + "in.txt";
using (var writer = new System.IO.StreamWriter(inFilePath))
{
const int L = 500000;
writer.WriteLine("{0} {1}", L, L % (rand.Next() % L));
StringBuilder sb = new StringBuilder();
for (int i = 0; i < L; i++)
{
sb.Append(rand.Next() % 2);
}
writer.WriteLine(sb.ToString());
}
}
void Solve()
{
#if DEBUG
string backPath = "..";
char dirSep = System.IO.Path.DirectorySeparatorChar;
string inFilePath = backPath + dirSep + backPath + dirSep + "in.txt";
sc = new Scanner(new System.IO.StreamReader(inFilePath));
#else
sc = new Scanner();
#endif
int Q = sc.NextInt;
for (int i = 0; i < Q; i++)
{
long N = sc.NextLong;
long sqrtN = (long) Math.Sqrt(N);
long diff = N - sqrtN;
Write(diff > 0 && IsPrime(diff) ? "NO" : "YES");
}
}
void Write(object val)
{
Console.WriteLine(val.ToString());
}
void Write(string format, params object[] vals)
{
Console.WriteLine(format, vals);
}
bool IsPrime(long val)
{
if (val < 2)
{
return false;
}
for (long i = 2; i * i <= val; i++)
{
if (val % i == 0)
{
return false;
}
}
return true;
}
}
class Scanner
{
Queue<String> buffer;
char[] sep;
System.IO.TextReader reader;
public Scanner(System.IO.TextReader reader = null)
{
this.buffer = new Queue<string>();
this.sep = new char[] { ' ' };
this.reader = (reader ?? Console.In);
}
private void CheckBuffer()
{
if (this.buffer.Count == 0 && this.reader.Peek() >= 0)
{
string[] sreArray = this.reader.ReadLine().Split(this.sep);
foreach (String elStr in sreArray)
{
this.buffer.Enqueue(elStr);
}
}
}
public String Next
{
get
{
this.CheckBuffer();
return this.buffer.Dequeue();
}
}
public int NextInt
{
get
{
return int.Parse(this.Next);
}
}
public double NextDouble
{
get
{
return double.Parse(this.Next);
}
}
public long NextLong
{
get
{
return long.Parse(this.Next);
}
}
public bool IsEmpty
{
get
{
this.CheckBuffer();
return this.buffer.Count == 0;
}
}
}
}
sekiya9311