added selection sort

Author: Abha2001

src/components/algorithms/selectionSort.js

@@ -0,0 +1,30 @@
+var SelectionSortAlgo=(array)=>{
+    var animations=[];
+    var index=0;
+    var minindex;
+    for (var i=0;i<array.length-1;i++)
+    {
+        var min= i;
+        for(var j=i+1;j<array.length;j++)
+        {
+            animations[index]=[i,j,0];
+            if (array[j]<array[min])
+            {
+                minindex=index;
+                min=j;
+            }
+            index++;
+        }
+        if(min!==i)
+        {
+            animations[minindex][2]=1;
+            var t=array[i];
+            array[i]=array[min];
+            array[min]=t;
+        }
+    }
+    // console.log(animations);
+    return animations;
+}
+
+export default SelectionSortAlgo;

src/components/animations/bubbleAnimations.js

@@ -1,6 +1,7 @@
 import React, {Component} from 'react';
 import './bubbleAnimations.css';
 import BubbleSortAlgo from '../algorithms/bubbleSort';
+import SelectionSortAlgo from '../algorithms/selectionSort'
 
 class BubbleSort extends Component
 {
@@ -10,9 +11,13 @@ class BubbleSort extends Component
     componentDidMount(){
         this.generateRandom();
     }
-    sortArray=()=>{
+    bubbleSort=()=>{
         var animationsArray=BubbleSortAlgo(this.state.array);
-        console.log("hi");
+        this.startAnimations(animationsArray);
+    }
+
+    selectionSort=()=>{
+        var animationsArray=SelectionSortAlgo(this.state.array);
         this.startAnimations(animationsArray);
     }
     startAnimations(animationsArray)
@@ -23,7 +28,7 @@ class BubbleSort extends Component
             var swap = comparision[2];
             // console.log(firstElem,secondElem)
             setTimeout(()=>{
-                console.log(firstElem,secondElem)
+                // console.log(firstElem,secondElem)
                 this.changeColourCompare(firstElem,secondElem);
             },(i+0.25)*50)
             setTimeout(()=>{this.changeBackColour(firstElem,secondElem);},(i+0.5)*50)
@@ -70,7 +75,8 @@ class BubbleSort extends Component
         return(
             <>
                 <button className="newArray" onClick={this.generateRandom}>New Array</button>
-                <button className="sortArray" onClick={this.sortArray}>Sort Array</button>
+                <button className="bubbleSort" onClick={this.bubbleSort}>Bubble Sort</button>
+                <button className="selectionSort" onClick={this.selectionSort}>Selection Sort</button>
                 <div className='bars'>
                     {array.map((value,i)=>{
                         return (