算法竞赛入门经典java版程序ch3 Uva10340

package ch3.uva10340;import java.util.*;//UVa10340class Main {public static void main(String[] args) {String a,b;Scanner cin = new Scanner(System.in);while (cin.hasNext()) {a= cin.next();b=cin.next();//System.out.printf("%s,%s",a,b);char[] bArr=b.toCharArray();String c="";int index=0;boolean isNo=false;for(int i=0;i<a.length();i++){int j;for(j=index;j<b.length();j++){if(a.charAt(i)==bArr[j]){c=c+bArr[j];//可以不需要index=j+1;//下次从index后面开始找break;}}if(j>=b.length()){//只要有一个没找到System.out.printf("No\n");isNo=true;break;}}//System.out.println("c ="+c);if(!isNo)System.out.printf("Yes\n");}}}/* */