#45435 (Java) No.141 魔法少女コバ

• 問題: No.141 魔法少女コバ
• ユーザー: holeguma
• 提出日時: 2015-08-25 02:21:58
• 言語: Java (openjdk 23)
• 結果: AC
• 実行時間: 56 ms / 5,000 ms
• コード長: 2,462 bytes
• コンパイル時間: 2,333 ms
• コンパイル使用メモリ: 78,808 KB
• 実行使用メモリ: 50,432 KB
• 最終ジャッジ日時: 2024-07-18 13:18:13
• 合計ジャッジ時間: 9,760 ms
• ジャッジサーバーID （参考情報）: judge2 / judge4

ファイルパターン	結果
other	AC * 93

ソースコード

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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.util.StringTokenizer;
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;
    
public static void main(String[] args) throws IOException{
InputReader ir=new InputReader(in);
int m=ir.nextInt();
int n=ir.nextInt();
int ans=magic(m,n);
out.println(ans<0?-1:ans);
out.flush();
}
public static int magic(int a,int b){
if(a==b) return 0;
if(a==0||b==0) return Integer.MIN_VALUE;
if(a>b) return (a%b==0)?a/b-1:magic(a%b,b)+a/b;
else return magic(b,a)+1;
}
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;
}
}
}
 
 
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