目录链接:
力扣编程题-解法汇总_分享+记录-CSDN博客
GitHub同步刷题项目:
https://github.com/September26/java-algorithms
原题链接:力扣
描述:
如果我们可以将小写字母插入模式串 pattern
得到待查询项 query
,那么待查询项与给定模式串匹配。(我们可以在任何位置插入每个字符,也可以插入 0 个字符。)
给定待查询列表 queries
,和模式串 pattern
,返回由布尔值组成的答案列表 answer
。只有在待查项 queries[i]
与模式串 pattern
匹配时, answer[i]
才为 true
,否则为 false
。
示例 1:
输入:queries = ["FooBar","FooBarTest","FootBall","FrameBuffer","ForceFeedBack"], pattern = "FB" 输出:[true,false,true,true,false] 示例: "FooBar" 可以这样生成:"F" + "oo" + "B" + "ar"。 "FootBall" 可以这样生成:"F" + "oot" + "B" + "all". "FrameBuffer" 可以这样生成:"F" + "rame" + "B" + "uffer".
示例 2:
输入:queries = ["FooBar","FooBarTest","FootBall","FrameBuffer","ForceFeedBack"], pattern = "FoBa" 输出:[true,false,true,false,false] 解释: "FooBar" 可以这样生成:"Fo" + "o" + "Ba" + "r". "FootBall" 可以这样生成:"Fo" + "ot" + "Ba" + "ll".
示例 3:
输出:queries = ["FooBar","FooBarTest","FootBall","FrameBuffer","ForceFeedBack"], pattern = "FoBaT" 输入:[false,true,false,false,false] 解释: "FooBarTest" 可以这样生成:"Fo" + "o" + "Ba" + "r" + "T" + "est".
提示:
1 <= queries.length <= 100
1 <= queries[i].length <= 100
1 <= pattern.length <= 100
- 所有字符串都仅由大写和小写英文字母组成。
解题思路:
* 解题思路: * isMatch来判断对应的字符是否满足,用两个int值index1和index2记录位置。 * 如果chars1[index1]==chars2[index2],则index1++,index2。 * 否则index1++。等于说只挪动如果chars1中的位置,如果这个位置是大些字母,则直接返回false。 * 遍历完chars1后,如果发现还有未遍历的chars2,则说明没有覆盖全字符串pattern,则false。
代码:
public class Solution1023 {
public List<Boolean> camelMatch(String[] queries, String pattern) {
List<Boolean> list = new ArrayList<>();
Arrays.stream(queries).forEach(s -> list.add(isMatch(s, pattern)));
return list;
}
public Boolean isMatch(String querie, String pattern) {
char[] chars1 = querie.toCharArray();
char[] chars2 = pattern.toCharArray();
int index1 = 0;
int index2 = 0;
while (index1 < chars1.length && index2 < chars2.length) {
char queriChar = chars1[index1];
if (queriChar == chars2[index2]) {
index1++;
index2++;
continue;
}
index1++;
if (queriChar >= 'A' && queriChar <= 'Z') {
return false;
}
}
if (index2 < chars2.length) {
return false;
}
while (index1 < chars1.length) {
char queriChar = chars1[index1];
if (queriChar >= 'A' && queriChar <= 'Z') {
return false;
}
index1++;
}
return true;
}
}