package greedy;

/**

* public int IndexOf (char value, int startIndex);

* 从指定位置startIndex返回字符value第一次在字符串中出现的索引值，如果找不到则返回-1

*/

public class a_392 {

/*public boolean isSubsequence(String s, String t) {

int i = 0, j = 0;

while (i < s.length() && j < t.length()) {

char m = s.charAt(i);

char n = t.charAt(j);

if (m == n) {

i++;

}

j++;

}

return i >= s.length();

}*/

public boolean isSubsequence(String s, String t) {

int index = -1;

for (char c : s.toCharArray()) {

index = t.indexOf(c, index+1);

if (index == -1) {

return false;

}

}

return true;

}

}