Feat: CCW 추가

src/main/kotlin/hyunsoo/44week/CCW.kt

@@ -0,0 +1,62 @@
+package hyunsoo.`44week`
+
+/**
+ *
+ * <문제>
+ * [CCW](https://www.acmicpc.net/problem/11758)
+ *
+ * - 아이디어
+ *
+ * [참고](https://velog.io/@jini_eun/%EB%B0%B1%EC%A4%80-11758%EB%B2%88-CCW-Java-Python)
+ *
+ * x1 x2 x3 x4
+ * y1 y2 y3 y4
+ * - 트러블 슈팅
+ *
+ */
+class `전현수_CCW` {
+
+    private data class Point(val x: Int, val y: Int)
+
+    fun solution() {
+        val p = Array(3) {
+            readln().split(" ")
+                .map { it.toInt() }
+                .run {
+                    Point(first(), last())
+                }
+        }
+
+        val first = (0..2).run {
+            var triangle = 0
+            this.forEach { index ->
+                triangle += p[index % 3].x * p[(index + 1) % 3].y
+            }
+            triangle
+        }
+
+        val second = (1..3).run {
+            var triangle = 0
+            this.forEach { index ->
+                triangle += p[index % 3].y * p[(index + 1) % 3].x
+            }
+            triangle
+        }
+
+        val answer = first - second
+        println(
+            if (0 < answer) {
+                1
+            } else if (answer < 0) {
+                -1
+            } else {
+                0
+            }
+        )
+
+    }
+}
+
+fun main() {
+    전현수_CCW().solution()
+}