uploaded at 2022. 12. 31. 오전 4:27:13

programmers/점 찍기/solution.java

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+// [문제 링크]: https://school.programmers.co.kr/learn/courses/30/lessons/140107
+
+class Solution {
+    public long solution(int k, int d) {
+        long answer = 0;
+        double dd = (double)d/k;
+        for(int i = 0; (double)i <= dd; i+=1) answer += (int)Math.floor(Math.sqrt(Math.pow(dd,2)-Math.pow(i,2)));
+        return answer+(long)dd+1;
+    }
+}