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[mintheon] Week2 #750

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Dec 22, 2024
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17 changes: 17 additions & 0 deletions climbing-stairs/mintheon.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,17 @@
class Solution {
public int climbStairs(int n) {
int[] stepCount = new int[n + 1];

if(n == 1) {
return 1;
}
Comment on lines +5 to +7
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초기값을 이용한 early return인데, 저라면 dp를 잘 이해하고 있다고 어필하기 위해 n == 2 인 경우도 추가할 것 같습니다.


stepCount[1] = 1;
stepCount[2] = 2;
for(int i = 3; i <= n; i++) {
stepCount[i] = stepCount[i - 1] + stepCount[i - 2];
}

return stepCount[n];
}
}
13 changes: 13 additions & 0 deletions valid-anagram/mintheon.java
Original file line number Diff line number Diff line change
@@ -0,0 +1,13 @@
import java.util.Arrays;

class Solution {
public boolean isAnagram(String s, String t) {
char[] sChar = s.toCharArray();
char[] tChar = t.toCharArray();

Arrays.sort(sChar);
Arrays.sort(tChar);

return Arrays.equals(sChar, tChar);
}
}
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