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java: add “1768. Merge Strings Alternately”

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Signed-off-by: Matej Focko <mfocko@redhat.com>
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Matej Focko 2024-01-06 20:59:14 +01:00
parent b20b6b2d9a
commit 77096af698
Signed by: mfocko
GPG key ID: 7C47D46246790496
1 changed files with 20 additions and 0 deletions
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java/merge-strings-alternately.java Normal file
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@ -0,0 +1,20 @@
class Solution {
public String mergeAlternately(String word1, String word2) {
StringBuilder sb = new StringBuilder(word1.length() + word2.length());
int i, j;
for (i = 0, j = 0; i < word1.length() && j < word2.length(); ++i, ++j) {
sb.append(word1.charAt(i));
sb.append(word2.charAt(j));
}
if (i < word1.length()) {
sb.append(word1.substring(i));
}
if (j < word2.length()) {
sb.append(word2.substring(j));
}
return sb.toString();
}
}