[yulrang] 25.01.19 (#31)

* Slice array / 기초

* Length of array items / 기초

* Shift array / 기초

* Number of duplicated item / 기초

* Remove lowest number / 중급

* Sum of matrix / 중급

* Multiple number / 중급

* Chore: 폴더명 변경경

* 문자열 뒤집기 / 기초

* 컨트롤 제트 / 기초

* 영어는 어려워 / 기초

* 문자열 계산하기 / 기초

* 크레인 인형뽑기 게임 / 중급

* refactor: 크레인 인형뽑기 게임 / 중급

* 올바른 괄호 / 중급

* 다트 게임 / 중급

* 순서쌍의 개수 / 기초

* 점의 위치 구하기 / 기초

* 로그인 성공? / 기초

* 특이한 정렬 / 기초

* 카드 뭉치 / 중급

* 공원 산책 / 중급

* 햄버거 만들기 / 중급

Author: yulrang

yulrang/03_Queue/01_Number_of_pair.js

@@ -0,0 +1,13 @@
+function solution(n) {
+  var answer = 0;
+  let answerArr = [];
+  
+  for(let i = 1; i <= n; i++) {
+      if(n % i === 0)
+          answerArr.push([i, n/i]);
+  }
+   
+  answer = answerArr.length;
+  
+  return answer;
+}

yulrang/03_Queue/02_Position_of_dot.js

@@ -0,0 +1,10 @@
+function solution(dot) {
+  var answer = 0;
+  
+  if(dot[0] > 0){
+      answer = dot[1] > 0 ? 1 : 4;
+  } else if(dot[0] < 0) {
+      answer = dot[1] > 0 ? 2 : 3;
+  }
+  return answer;
+}

yulrang/03_Queue/03_Login.js

@@ -0,0 +1,18 @@
+function solution(id_pw, db) {
+  var answer = '';
+  
+  for(const pair of db){
+      if(pair[0] !== id_pw[0]) {
+          answer = "fail";
+      } else {
+          if(pair[1] !== id_pw[1]){
+              answer = "wrong pw";
+          }
+          else {
+              answer = "login";
+          } 
+          break;
+      }
+  }
+  return answer;
+}

yulrang/03_Queue/04_Unusual_sort.js

@@ -0,0 +1,7 @@
+function solution(numlist, n) {
+  var answer = [];
+  
+  answer = numlist.sort((a,b) => (Math.abs(n-a) - Math.abs(n-b)) || (b-a));
+  
+  return answer;
+}

yulrang/03_Queue/05_Card_queue.js

@@ -0,0 +1,20 @@
+function solution(cards1, cards2, goal) {
+  var answer = '';
+  
+  for(let i=0; i<goal.length; i++) {
+      if(cards1[0] === goal[i] || cards2[0] === goal[i]){
+          if(cards1[0] === goal[i]){
+              cards1.shift();
+          }
+          if(cards2[0] === goal[i]){
+              cards2.shift();
+          }
+          answer = "Yes";
+      } else {
+          answer = "No";
+          break;
+      }
+  }
+  
+  return answer;
+}

yulrang/03_Queue/06_Park_game.js

@@ -0,0 +1,59 @@
+function solution(park, routes) {
+  let pathArr = [];
+  const WIDTH = park[0].length;
+  const HEIGHT = park.length;
+  
+  for(let rowIdx = 0; rowIdx < park.length; rowIdx++){
+      const row = park[rowIdx].split("");
+      if(row.includes("S")){
+          const columnIdx = park[rowIdx].indexOf("S");
+          pathArr.push([columnIdx, rowIdx]);
+          break;
+      }
+  }
+  
+  
+  for(let i = 0; i<routes.length; i++) {
+      const DIRECTION = routes[i].split(' ')[0];
+      const AMOUNT = Number(routes[i].split(' ')[1]);
+      let blockPos = [-1, -1];
+      let x = pathArr[pathArr.length-1][0];
+      let y = pathArr[pathArr.length-1][1];
+      
+      if (DIRECTION === "E") {
+          blockPos = [park[y].indexOf("X", x), y];
+          x = pathArr[pathArr.length-1][0] + AMOUNT;
+          y = pathArr[pathArr.length-1][1];
+      } else if (DIRECTION === "W"){
+          blockPos = [park[y].lastIndexOf("X", x), y];
+          x = pathArr[pathArr.length-1][0] - AMOUNT;
+          y = pathArr[pathArr.length-1][1];
+      } else if (DIRECTION === "S"){
+          blockPos = [x, park.findIndex((row, idx) => idx >= y && row[x] === "X")];
+          x = pathArr[pathArr.length-1][0];
+          y = pathArr[pathArr.length-1][1] + AMOUNT;
+      } else if (DIRECTION === "N"){
+          blockPos = [x, park.slice(0, y).reverse().findIndex((row, idx) => row[x] === "X")];
+          if (blockPos[1] !== -1) blockPos[1] = y - blockPos[1] - 1;
+          x = pathArr[pathArr.length-1][0];
+          y = pathArr[pathArr.length-1][1] - AMOUNT;
+      }
+  
+      if (x < 0 || x >= WIDTH || y < 0 || y >= HEIGHT){
+          continue;
+      }
+      if(!blockPos.includes(-1)){
+          if((y === blockPos[1] && x >= blockPos[0] && pathArr[pathArr.length > 1 ? pathArr.length-2 : 0][0] < blockPos[0]) || 
+             (y === blockPos[1] && x <= blockPos[0] && pathArr[pathArr.length > 1 ? pathArr.length-2 : 0][0] > blockPos[0]) ||
+             (x === blockPos[0] && y >= blockPos[1] && pathArr[pathArr.length > 1 ? pathArr.length-2 : 0][1] < blockPos[1]) ||
+              (x === blockPos[0] && y <= blockPos[1] && pathArr[pathArr.length > 1 ? pathArr.length-2 : 0][1] > blockPos[1]) ) {
+              continue;
+          }
+      }
+      
+      pathArr.push([x, y]);
+  }
+  
+  return pathArr[pathArr.length-1].reverse();
+}
+

yulrang/03_Queue/07_Hamberger.js

@@ -0,0 +1,12 @@
+function solution(ingredient) {
+  var answer = 0;
+  
+  for(let i=0; i<ingredient.length; i++) {
+      if(ingredient[i] === 1 && ingredient[i+1] === 2 && ingredient[i+2] === 3 && ingredient[i+3] === 1) {
+          ingredient.splice(i, 4);
+          answer++;
+          i -= 4;
+      }
+  }
+  return answer;
+}