#45530 (Java21) No.152 貯金箱の消失

• 問題: No.152 貯金箱の消失
• ユーザー: holeguma
• 提出日時: 2015-08-25 17:54:06
• 言語: Java21 (openjdk 21)
• 結果: WA
• 実行時間: -
• コード長: 2,617 bytes
• コンパイル時間: 1,968 ms
• コンパイル使用メモリ: 79,216 KB
• 実行使用メモリ: 38,244 KB
• 最終ジャッジ日時: 2024-07-18 13:23:21
• 合計ジャッジ時間: 3,836 ms
• ジャッジサーバーID （参考情報）: judge1 / judge3

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	45 ms; 37,020 KB
testcase_01	WA	-
testcase_02	AC	46 ms; 36,844 KB
testcase_03	WA	-
testcase_04	WA	-
testcase_05	WA	-
testcase_06	WA	-
testcase_07	WA	-
testcase_08	WA	-
testcase_09	WA	-
testcase_10	WA	-
testcase_11	WA	-

ソースコード

import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Comparator;
import java.util.Deque;
import java.util.HashMap;
import java.util.InputMismatchException;
import java.util.Map;
import java.util.PriorityQueue;
import java.math.BigInteger;
    
public class Main{

static final InputStream in=System.in;
static final PrintWriter out=new PrintWriter(System.out);
static final int INF=Integer.MAX_VALUE/2;
static final long LINF=Long.MAX_VALUE/2;
static final long mod=1000003;
    
public static void main(String[] args) throws IOException{
InputReader ir=new InputReader(in);
int l=ir.nextInt();
long ans=0;
lo:for(int i=1;;i++){
int m=2*i;
int t=m*m;
int s=1;
while(t%2==0){
t/=2;
s*=2;
}
int rem=t;
if(2*(s+m)>l/4) break;
ans++;
if(rem==1) continue;
for(int j=rem-2;j>=1;j-=2){
if((m*m)%j!=0||gcd(j,m)!=1) continue;
t=j;
s=m*m/j;
if(2*(s+m)>l/4) continue lo;
ans++;
}
}
out.println(ans%mod);
out.flush();
}

public static int gcd(int a,int b){
if(a<b) return gcd(b,a);
if(b==0) return a;
return gcd(b,a%b);
}

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;}
  
public int readByte() {
if(lenbuf==-1) throw new InputMismatchException();
if(curbuf>=lenbuf){
curbuf= 0;
try{
lenbuf=in.read(buffer);
}
catch (IOException e) {
throw new InputMismatchException();
}
if(lenbuf<=0)
return -1;
}
return buffer[curbuf++];
}

public boolean isSpaceChar(int c){return !(c>=33&&c<=126);}

private int skip() {int b; while((b = readByte())!=-1&&isSpaceChar(b)); return b;}

public String next() {
int b=skip();
StringBuilder sb=new StringBuilder();
while(!isSpaceChar(b)){
sb.appendCodePoint(b);
b=readByte();
}
return sb.toString();
}
 
public int nextInt() {
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() {
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 int[] toIntArray(int n){
int[] a=new int[n];
for(int i=0;i<n;i++) a[i]=nextInt();
return a;
}
}
}