code-reaper08

function Readfile(filename, sizefinder) {
  console.log('Reading file.....');
  sizefinder();
}

function sizefinder() {
  console.log('File size is 32mb');
}

Readfile('sampletxt', sizefinder);

code-reaper08

function Reverse(samparr, begin, end) {
  while (begin < end) {
    temp = samparr[begin];
    samparr[begin] = samparr[end];
    samparr[end] = temp;
    begin = begin + 1;
    end = end - 1;
  }
}

code-reaper08

function Rotate(samparr, d, n) {
  if (d == 0) {
    return;
  }
  Reverse(samparr, 0, d - 1);
  Reverse(samparr, d, n - 1);
  Reverse(samparr, 0, n - 1);
}

code-reaper08

// let us have an array of n = 3 and d = 4
let samparr = [1,2,3];

// step 1 -> reverse d elements.
let samparr = ["out of bounds"]

// To resolve this we refactor d as d = d % n, 
// so d becomes 1 and 1<n so we rotate the array with d as 1.
let samparr = [1,2,3];

code-reaper08

function Reverse(samparr, begin, end) {
  while (begin < end) {
    temp = samparr[begin];
    samparr[begin] = samparr[end];
    samparr[end] = temp;
    begin = begin + 1;
    end = end - 1;
  }
}

code-reaper08

// sample array
let samparr = [1,2,3,4,5];

// step 1 -> reverse d elements.
let samparr = [2,1,3,4,5];

// step 2 -> reverse n-d elements. Here n=5 and d=2 so (n-d) = (5-2=3)
let samparr = [2,1,5,4,3];

// step 3 -> reverse n elements. This gives the rotated array.

code-reaper08

let inpstring = "abc";
let n = inpstring.length;
function FindSubstring(Str, n){
for(let i=0; i<n ;i++){
	 for(let j=i;j<n;j++){
   		for(let k=i;k<j+1;k++){
      console.log(Str.charAt(k))
      }
   }
}

code-reaper08

let inpstring = "abc";
let n = inpstring.length;
function FindSubstring(Str, n){
for(let i=0; i<n ;i++){
	 for(let j=i;j<n;j++){
   		// another for loop comes here
   }
}
}

code-reaper08

let inpstring = "abc";
let n = inpstring.length;
function FindSubstring(Str, n){
for(let i=0; i<n ;i++){
// We are going to have two more loops here
      }
   }
}
}

code-reaper08

// Initialising input string
let inpstring = "Hello";

// length of the input string
let n = inpstring.length;