package leetcode
func isSubsequence(s string, t string) bool {
index := 0
for i := 0; i < len(s); i++ {
flag := false
for ; index < len(t); index++ {
if s[i] == t[index] {
flag = true
break
}
}
if flag == true {
index++
continue
} else {
return false
}
}
return true
}
func isSubsequence1(s string, t string) bool {
for len(s) > 0 && len(t) > 0 {
if s[0] == t[0] {
s = s[1:]
}
t = t[1:]
}
return len(s) == 0
}