JinHaLim/Array/solution_1185.js

-Original file line number
+Diff line change
@@ -0,0 +1,12 @@
+    /**
+     * @param {number} day
+     * @param {number} month
+     * @param {number} year
+     * @return {string}
+     */
+    var dayOfTheWeek = function(day, month, year) {
+        const days = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"];
+        const date = new Date(year+'-'+month+'-'+day).getDay();
+        return days[date];
+    };
+    console.log(dayOfTheWeek(31,8,2019))

JinHaLim/Array/solution_1287.js

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+Diff line change
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+    /**
+     * @param {number[]} arr
+     * @return {number}
+     */
+    var findSpecialInteger = function(arr) {
+        let arrMap = new Map();
+        for (let i = 0; i < arr.length; i++) {
+           if (arrMap.has(arr[i])) {
+               arrMap.set(arr[i],arrMap.get(arr[i])+1);
+           }
+           else{
+            arrMap.set(arr[i],1);
+           }
+           if (arrMap.get(arr[i]) > arr.length*0.25) {
+               return arr[i];
+           }
+        }
+        return null;
+    };
+    console.log(findSpecialInteger([1,2,2,6,6,6,6,7,10]))

JinHaLim/Array/solution_1652.js

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+Diff line change
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+    /**
+     * @param {number[]} code
+     * @param {number} k
+     * @return {number[]}
+     */
+    var decrypt = function(code, k) {
+        let result = [];
+        if (k === 0) {
+            return new Array(code.length).fill(0);
+        }
+        else if(k > 0){
+            code.forEach((_,idx) => {
+                let sum = 0;
+                for (let i = 1; i <= k; i++) {
+                    sum += code[(idx+i)%code.length];
+                }
+                result.push(sum);
+            });
+            return result;
+        }
+        else if(k < 0 ){
+            code.forEach((_,idx) => {
+                let sum = 0;
+                for (let i = 1; i <= Math.abs(k); i++) {
+                    let index = (idx-i);
+                    if (index < 0) {
+                        index += Math.ceil(Math.abs(idx - i)/code.length)*code.length;
+                    }
+                    sum += code[index];
+                }
+                result.push(sum);
+            });
+            return result;
+        }
+    };
+    console.log(decrypt([5,7,1,4],3))
+    console.log(decrypt([2,4,9,3],-2))
+    console.log(decrypt([10,5,7,7,3,2,10,3,6,9,1,6],-4))

solution_1185,1287.1652 #81

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jinhalim wants to merge 1 commit into master from JinHaLim-1185,1287.1652

-Original file line number
+Diff line change
@@ -0,0 +1,12 @@
+    /**
+     * @param {number} day
+     * @param {number} month
+     * @param {number} year
+     * @return {string}
+     */
+    var dayOfTheWeek = function(day, month, year) {
+        const days = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"];
+        const date = new Date(year+'-'+month+'-'+day).getDay();
+        return days[date];
+    };
+    console.log(dayOfTheWeek(31,8,2019))

-Original file line number
+Diff line change
@@ -0,0 +1,20 @@
+    /**
+     * @param {number[]} arr
+     * @return {number}
+     */
+    var findSpecialInteger = function(arr) {
+        let arrMap = new Map();
+        for (let i = 0; i < arr.length; i++) {
+           if (arrMap.has(arr[i])) {
+               arrMap.set(arr[i],arrMap.get(arr[i])+1);
+           }
+           else{
+            arrMap.set(arr[i],1);
+           }
+           if (arrMap.get(arr[i]) > arr.length*0.25) {
+               return arr[i];
+           }
+        }
+        return null;
+    };
+    console.log(findSpecialInteger([1,2,2,6,6,6,6,7,10]))

-Original file line number
+Diff line change
@@ -0,0 +1,38 @@
+    /**
+     * @param {number[]} code
+     * @param {number} k
+     * @return {number[]}
+     */
+    var decrypt = function(code, k) {
+        let result = [];
+        if (k === 0) {
+            return new Array(code.length).fill(0);
+        }
+        else if(k > 0){
+            code.forEach((_,idx) => {
+                let sum = 0;
+                for (let i = 1; i <= k; i++) {
+                    sum += code[(idx+i)%code.length];
+                }
+                result.push(sum);
+            });
+            return result;
+        }
+        else if(k < 0 ){
+            code.forEach((_,idx) => {
+                let sum = 0;
+                for (let i = 1; i <= Math.abs(k); i++) {
+                    let index = (idx-i);
+                    if (index < 0) {
+                        index += Math.ceil(Math.abs(idx - i)/code.length)*code.length;
+                    }
+                    sum += code[index];
+                }
+                result.push(sum);
+            });
+            return result;
+        }
+    };
+    console.log(decrypt([5,7,1,4],3))
+    console.log(decrypt([2,4,9,3],-2))
+    console.log(decrypt([10,5,7,7,3,2,10,3,6,9,1,6],-4))

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