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algorithm
/
algorithm
/
src
/
level1
/
CreateStrangeString.java
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53 lines (49 loc) · 1.89 KB
master
Breadcrumbs
algorithm
/
algorithm
/
src
/
level1
/
CreateStrangeString.java
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/*이상한 문자 만들기
문제 설명
문자열 s는 한 개 이상의 단어로 구성되어 있습니다. 각 단어는 하나 이상의 공백문자로 구분되어 있습니다. 각 단어의 짝수번째 알파벳은 대문자로, 홀수번째 알파벳은 소문자로 바꾼 문자열을 리턴하는 함수, solution을 완성하세요.
제한 사항
문자열 전체의 짝/홀수 인덱스가 아니라, 단어(공백을 기준)별로 짝/홀수 인덱스를 판단해야합니다.
입출력 예
s return
try hello world TrY HeLlO WoRlD
입출력 예 설명
try hello world는 세 단어 try, hello, world로 구성되어 있습니다. 각 단어의 짝수번째 문자를 대문자로, 홀수번째 문자를 소문자로 바꾸면 TrY, HeLlO, WoRlD입니다. 따라서 TrY HeLlO WoRlD 를 리턴합니다.*/
package
level1
;
public
class
CreateStrangeString
{
public
static
void
main
(
String
[]
args
) {
// TODO Auto-generated method stub
CreateStrangeString
css
=
new
CreateStrangeString
();
System
.
out
.
println
(
css
.
solution
(
" try hello world "
));
}
public
String
solution
(
String
s
) {
String
answer
=
""
;
String
[]
wordArr
=
s
.
split
(
" "
);
for
(
int
i
=
0
;
i
<
wordArr
.
length
;
i
++) {
String
newWord
=
""
;
int
cnt
=
0
;
for
(
int
j
=
0
;
j
<
wordArr
[
i
].
length
();
j
++) {
if
(
Character
.
isAlphabetic
(
wordArr
[
i
].
charAt
(
j
))) {
if
(
cnt
%
2
==
0
) {
newWord
+=
Character
.
toUpperCase
(
wordArr
[
i
].
charAt
(
j
));
}
else
{
newWord
+=
Character
.
toLowerCase
(
wordArr
[
i
].
charAt
(
j
));
}
cnt
++;
}
}
wordArr
[
i
] =
newWord
;
if
(
i
!=
wordArr
.
length
-
1
) {
answer
+=
wordArr
[
i
] +
" "
;
}
else
{
answer
+=
wordArr
[
i
];
}
}
int
numberOfLastSpace
=
s
.
length
() -
answer
.
length
();
for
(
int
i
=
0
;
i
<
numberOfLastSpace
;
i
++) {
answer
+=
" "
;
}
return
answer
;
}
}
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