js_study

prob1.js

@@ -2,6 +2,13 @@
 
 function solution(num, total) {
   let answer = [];
+  let x = (total - num*(num-1)/2)/num;
+  for (let i=0; i<num; i++){
+    answer.push(x+i);
+  }
 
   return answer;
 }
+console.log(solution(3, 12));
+console.log(solution(4, 14));
+console.log(solution(5, 5));

prob2.js

@@ -1,6 +1,13 @@
 //2. map활용 문제
 const numbers = [1, 2, 3, 4, 5];
 
-let answer;
+let answer =
+numbers.map(function(num){
+    if (num % 2 == 0){
+        return "짝수";
+    } else{
+        return "홀수";
+    }
+});
 
 console.log(answer);

prob3.js

@@ -6,14 +6,32 @@ let likelion = [
 ];
 
 // 1번 문제 코드작성
+for (let i = 0; i < likelion.length - 1; i++) {
+  for (let j = i + 1; j < likelion.length; j++) {
+    if (likelion[i].age > likelion[j].age) {
+      let temp = likelion[i];
+      likelion[i] = likelion[j];
+      likelion[j] = temp;
+    }
+  }
+}
+console.log("1번 결과:", likelion);
 
 // 2번 문제 코드작성
 let result2 = [];
-
-console.log(result2);
+for (let i = 0; i < likelion.length; i++) {
+  if (likelion[i].age >= 24) {
+    result2.push(likelion[i]);
+  }
+}
+console.log("2번 결과:", result2);
 
 // 3번 문제 코드작성
 let targetName = "전수빈";
 let result3 = null;
-
-console.log(result3);
+for (let i = 0; i < likelion.length; i++) {
+  if (likelion[i].name === targetName) {
+    result3 = likelion[i].part;
+  }
+}
+console.log("3번 결과:", result3);