20251026 (#22)

* add: 보이는 학생

* add: 가위바위보

Author: sukyoungshin

src/inflearn_coding_test/basic/2-2_보이는학생.js

@@ -0,0 +1,15 @@
+function solution(arr) {
+  let results = [arr[0]];
+
+  for (let i = 1; i < arr.length; i++) {
+    if (results[results.length - 1] < arr[i]) {
+      results.push(arr[i]);
+    }
+  }
+
+  return results.length;
+}
+
+console.log(solution([130, 135, 148, 140, 145, 150, 150, 153])); // 5
+console.log(solution([120, 125, 152, 130, 135, 135, 143, 127, 160])); // 4
+console.log(solution([150, 135, 145, 147, 148])); // 3

src/inflearn_coding_test/basic/2-3_가위바위보.js

@@ -0,0 +1,15 @@
+function solution(a, b) {
+  const result = [];
+
+  for (let i = 0; i < a.length; i++) {
+    if (a[i] === b[i]) result.push('D');
+    else if (a[i] === 1 && b[i] === 3) result.push('A');
+    else if (a[i] === 2 && b[i] === 1) result.push('A');
+    else if (a[i] === 3 && b[i] === 2) result.push('A');
+    else result.push('B');
+  }
+
+  return result.join(' ');
+}
+
+console.log(solution([2, 3, 3, 1, 3], [1, 1, 2, 2, 3])); // A B A B D