Submission #73701917

---

Source Code Expand

import java.util.Scanner;



public class Main {
	public static void main(String[] args) {
		new Main().C();
		//new C().go();
	}
	
	void A() {
		Scanner in = new Scanner(System.in);

		int N = in.nextInt();
		int M = in.nextInt();

		int max = (N+1)/2;

		System.out.println( max>=M ? "Yes":"No" );
	}


	
	void B() {
		Scanner in = new Scanner(System.in);

		String s = in.next();
		int[] count = new int[26];
		
		for (int i=0;i<s.length();i++) {
			char ch = s.charAt(i);
			count[ch-'a']++;
		}

		int max=0;
		for (int i=0;i<count.length;i++) {
			max = Integer.max(max,count[i]);
		}

		StringBuilder sb = new StringBuilder();
		for (int i=0;i<s.length();i++) {
			char ch = s.charAt(i);
			if ( count[ch-'a'] == max ) {
				
			} else {
				sb.append(ch);
			}
		}
		
		System.out.println(sb.toString());
	}

	void C() {
		int ret = C2();
		System.out.println( ret );
	}
	int C2() {
		Scanner in = new Scanner(System.in);
		String S = in.next() +"#";
		String T = in.next() +"#";
		
		int x=0,y=0;
		int step = 0;
		while (true) {
			int x0=0;
			int y0=0;
			while ( S.charAt(x) == 'A' ) {x++;x0++;}
			while ( T.charAt(y) == 'A' ) {y++;y0++;}
			
			//System.out.println( S.charAt(x) + " " + T.charAt(y) );
			
			if ( S.charAt(x) != T.charAt(y) ) return -1;
			
			step += Math.abs(x0-y0);
			if ( S.charAt(x) == '#' ) return step;
			x++;y++;
		}
	}
}
class C {
	int N;
	
	public C() {
	}
	
	void go() {
		System.out.println(N);
	}

}

/**
 * AllPatternDegi(int N, int D): D進数のN桁全組み合わせを列挙するクラス。
 * boolean next(): 次の組み合わせに進み、状態が更新される。全列挙が終わると false を返す。
 * int[] getStatus(): 現在の組み合わせ（状態）を取得する。
 */
class allPatternDegi {
	int N,D;
	int[] status;
	
	public allPatternDegi(int n,int d) {
		N = n;
		D = d;
		status = null;
	}
	
	boolean next() {
		if ( status==null ) {
			status = new int[N];
			return true;
		}
		
		int idx=0;
		while ( idx<N ) {
			status[idx]++;
			if ( status[idx]<D ) return true;
			
			status[idx]=0;
			idx++;
		}
		
		return false;
	}
}

Submission Info

Judge Result