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WordConcat.java
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WordConcat.java
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import java.util.Arrays;
import java.util.Iterator;
public class WordConcat {
// public static void main(String[] args) {
// String[][] wordsets = {
// {"tank", "kick", "know", "wheel", "land", "dream", "mother", "robot", "tank"},
// {"hello", "observe", "effect", "take", "either", "recognize", "encourage", "ensure", "establish", "hang", "gather", "refer", "reference", "estimate", "executive"},
// {"hello", "one", "even", "never", "now", "world", "draw"}};
// int nums[] = {3, 5, 2};
// new Main().solution(nums[2], wordsets[2]);
//
// }
public void solution(int num, String[] words) {
Iterator<String> iter = Arrays.asList(words).iterator();
int n = 1;
StringBuilder padding = new StringBuilder();
String item = "";
label:
while (iter.hasNext()) {
if (item == "") {
item = iter.next();
} else {
if ((item.charAt(item.length() - 1) != (item = iter.next()).charAt(0))) {
/* System.out.println(item + "(x)"); */
break label;
} else {
if (Arrays.asList(words).subList(0, n - 1).contains(item)) {
/* System.out.println(item + "(x)"); */
break label;
}
}
}
/* log /
if (n % num != 0) {
padding.append(" ".repeat(item.length()-1));
} else {
padding.setLength(0);
}
System.out.print(item + "\n" + padding.toString());
*/
n++;
}
System.out.println(n);
}
}