結果
問題 | No.300 平方数 |
ユーザー | holeguma |
提出日時 | 2015-11-13 23:20:31 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,300 bytes |
コンパイル時間 | 2,579 ms |
コンパイル使用メモリ | 78,876 KB |
実行使用メモリ | 53,660 KB |
最終ジャッジ日時 | 2024-09-13 15:14:32 |
合計ジャッジ時間 | 8,126 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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 | AC | 85 ms
51,372 KB |
testcase_01 | AC | 87 ms
51,664 KB |
testcase_02 | AC | 88 ms
51,580 KB |
testcase_03 | AC | 86 ms
51,560 KB |
testcase_04 | AC | 85 ms
51,368 KB |
testcase_05 | AC | 86 ms
51,400 KB |
testcase_06 | AC | 88 ms
51,544 KB |
testcase_07 | AC | 88 ms
51,524 KB |
testcase_08 | AC | 88 ms
51,544 KB |
testcase_09 | AC | 87 ms
51,444 KB |
testcase_10 | AC | 86 ms
51,552 KB |
testcase_11 | AC | 87 ms
51,632 KB |
testcase_12 | AC | 86 ms
51,580 KB |
testcase_13 | AC | 95 ms
51,340 KB |
testcase_14 | AC | 88 ms
51,600 KB |
testcase_15 | AC | 85 ms
51,424 KB |
testcase_16 | AC | 87 ms
51,436 KB |
testcase_17 | AC | 86 ms
51,508 KB |
testcase_18 | AC | 85 ms
51,380 KB |
testcase_19 | AC | 84 ms
51,432 KB |
testcase_20 | WA | - |
testcase_21 | AC | 91 ms
51,648 KB |
testcase_22 | AC | 88 ms
51,616 KB |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | WA | - |
testcase_35 | WA | - |
testcase_36 | WA | - |
testcase_37 | WA | - |
testcase_38 | AC | 86 ms
51,544 KB |
testcase_39 | WA | - |
testcase_40 | WA | - |
testcase_41 | WA | - |
testcase_42 | AC | 84 ms
51,320 KB |
testcase_43 | WA | - |
testcase_44 | WA | - |
testcase_45 | WA | - |
ソースコード
import java.io.InputStream; import java.io.IOException; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.Comparator; import java.util.InputMismatchException; import java.util.NoSuchElementException; import java.math.BigInteger; public class Main{ static PrintWriter out; static InputReader ir; static void solve(){ long n=ir.nextLong(); long ans=1; boolean[] p=sieveOfEratosthenes((int)1e6); for(int i=0;i<=(int)1e6;i++){ if(!p[i]) continue; long cnt=0; while(n%(long)i==0){ n/=(long)i; cnt++; } if(cnt%2==1) ans*=(long)i; if(n==1) break; } out.println(ans); } public static boolean[] sieveOfEratosthenes(int n){ boolean[] ret=new boolean[n+1]; Arrays.fill(ret,true); ret[0]=ret[1]=false; for(int i=2;i<=Math.sqrt(n);i++){ if(!ret[i]) continue; for(int j=i+i;j<=n;j+=i){ ret[j]=false; } } return ret; } public static void main(String[] args) throws Exception{ ir=new InputReader(System.in); out=new PrintWriter(System.out); solve(); out.flush(); } static class InputReader { private InputStream in; private byte[] buffer=new byte[1024]; private int curbuf; private int lenbuf; public InputReader(InputStream in) {this.in=in; this.curbuf=this.lenbuf=0;} public boolean hasNextByte() { if(curbuf>=lenbuf){ curbuf= 0; try{ lenbuf=in.read(buffer); }catch(IOException e) { throw new InputMismatchException(); } if(lenbuf<=0) return false; } return true; } private int readByte(){if(hasNextByte()) return buffer[curbuf++]; else return -1;} private boolean isSpaceChar(int c){return !(c>=33&&c<=126);} private void skip(){while(hasNextByte()&&isSpaceChar(buffer[curbuf])) curbuf++;} public boolean hasNext(){skip(); return hasNextByte();} public String next(){ if(!hasNext()) throw new NoSuchElementException(); StringBuilder sb=new StringBuilder(); int b=readByte(); while(!isSpaceChar(b)){ sb.appendCodePoint(b); b=readByte(); } return sb.toString(); } public int nextInt() { if(!hasNext()) throw new NoSuchElementException(); int c=readByte(); while (isSpaceChar(c)) c=readByte(); boolean minus=false; if (c=='-') { minus=true; c=readByte(); } int res=0; do{ if(c<'0'||c>'9') throw new InputMismatchException(); res=res*10+c-'0'; c=readByte(); }while(!isSpaceChar(c)); return (minus)?-res:res; } public long nextLong() { if(!hasNext()) throw new NoSuchElementException(); int c=readByte(); while (isSpaceChar(c)) c=readByte(); boolean minus=false; if (c=='-') { minus=true; c=readByte(); } long res = 0; do{ if(c<'0'||c>'9') throw new InputMismatchException(); res=res*10+c-'0'; c=readByte(); }while(!isSpaceChar(c)); return (minus)?-res:res; } public double nextDouble(){return Double.parseDouble(next());} public BigInteger nextBigInteger(){return new BigInteger(next());} public int[] nextIntArray(int n){ int[] a=new int[n]; for(int i=0;i<n;i++) a[i]=nextInt(); return a; } public long[] nextLongArray(int n){ long[] a=new long[n]; for(int i=0;i<n;i++) a[i]=nextLong(); return a; } public char[][] nextCharMap(int n,int m){ char[][] map=new char[n][m]; for(int i=0;i<n;i++) map[i]=next().toCharArray(); return map; } } }