Reverse a string of words "Hi I am John" as "John am I Hi" without using array functions like split , reverse or join?

Question

Utilisateur anonyme · Accepted Answer

tail recursive algo

str1 = "Hi abc tm" len1 = len(str1) ln = len1 space = " " str3 = [] cnt = 0 while len1 !=0: · Answer

str1 = "Hi abc tm"
len1 = len(str1)
ln = len1
space = " "
str3 = []
cnt = 0
while len1 !=0:
        if str1[len1-1]!=" ":
            len1 = len1-1
            
            cnt = cnt + 1
        if str1[len1-1]==" ":
           len2 = ln-cnt
           while len2 != ln:
               
               if str1[len2] != " ":
                   print(str1[len2],end="")
                   len2 = len2 + 1
               else:
                   break
           print(space,end="")
           cnt = cnt + 1
           len1 = len1-1

len2 = ln-cnt
while len2 != ln:
               
               if str1[len2] != " ":
                   print(str1[len2],end="")
                   len2 = len2 + 1
               else:
                   break

Utilisateur anonyme · Answer

const str = 'Hi I am John" as "John am I Hi';

const reverseString = function() {
  let temp = "";
  for (let i = str.length; i >= 0; i--) {
    temp += str.charAt(i);
  }
  return temp;
};

console.log(reverseString());

Abhishek Kumar · Answer

In Core Javascript

const str = 'Hi I am John" as "John am I Hi';

const reverseString = () => {
  let temp = "";
  for (let i = str.length; i >= 0; i--) {
    temp += str.charAt(i);
  }
  return temp;
};

console.log(reverseString());

Amit · Answer

a  = "Hi I am John";
ind =[];
for(k=0; k

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