Two different answers

Question

I have tried to solve a challenge in Javascript course by using below code. I got 8 as the answer in jsbin and 9 as the answer in sololearn website. Need help.

function main() {
var depth = 42;
//your code goes here
var days=0;
var dis = 0;
while(dis<=depth) {
console.log(dis)
days+=1;
console.log(days)
dis=dis+7-2;
}
console.log(days)
}

Answer 1

1. You should get the depth from input as an integer.
2. You can't have 0 days. Start days at 1.
3. Loop while dis is less than depth. Not less than or equal to. If equal, you're out of the well.
4. In the loop add your climb distance, 7, to dis.
5. Check if dis is now greater than or equal to depth, if yes break out of the loop.
6. After checking 5, if false then subtract your slide, 2, from dis and increase days by 1.
7. After the loop output days.

Answer 2

It doesn't give 2 different answers for me. I get 9 on both, which is correct for the code.

Answer 3

Phil Andy Graves it's not that. It's more likely that the code that is being run here vs the code that is being run there don't match 100%, but the OP is seeing them as the same. I copied the code from this post and ran it on both platforms and it does exactly the same thing on both.

Answer 4

ChaoticDawg your explanation about solving the problem is awesome. Thank you for guiding me towards right path.

Answer 5

function main() {
var depth = parseInt(readLine(), 10);
//your code goes here
var day = 1;

for(; depth > 7; day++) {
depth = depth - 7 + 2;
}
console.log(day);
}
Try This.... :)

Answer 6

I'm getting the same as ChaoticDawg

The output is 9 on both platforms.

Pavankumar AN can you try reducing your console logging so that you only log once. Just the one that's after the loop. Here's your code with only one console log. It outputs 9.

function main() {
var depth = 42;
//your code goes here
var days=0;
var dis = 0;

while(dis<=depth) {
days+=1;
dis=dis+7-2;
}

console.log(days)
}

main()

Answer 7

Hi
you need to division by 5 and Switch between remaining answers. 0,1,2 and 3,4
with input > 2

function main() {
var depth = parseInt(readLine(), 10);
//***************
switch(depth%5){
case 0: console.log((depth-(depth%5))/5);
break;
case 1: console.log((depth-(depth%5))/5);
break;
case 2: console.log((depth-(depth%5))/5);
break;
default: console.log(((depth-(depth%5))/5)+1);
break;
}
//*****************
}

Answer 8

ChaoticDawg did you understand my question?

Answer 9

Yes, write your code as I stated and it will be fixed.

Answer 10

ChaoticDawg my question is why the same code is giving two different answer in two different platforms?

Answer 11

ChaoticDawg can you run it on jsbin once?

Answer 12

Pavankumar AN I have and the output was 9, as I previously mentioned.

Answer 13

Pavankumar AN you can figure out why the output should be 9 in your code.

The depth is hardcoded to 42.
The days and dis both start at 0.

The loop executes while the dis is less than or equal to the depth.

In the loop, days is increased by 1, then dis is recalculated & saved as the previous dis + 5.

Here are the iterations of your loop:
// 0 <= 42 is true
days = 1
dis = 5

// 5 <= 42 is true
days = 2
dis = 10

// 10 <= 42 is true
days = 3
dis = 15

// 15 <= 42 is true
days = 4
dis = 20

// 20 <= 42 is true
days = 5
dis = 25

// 25 <= 42 is true
days = 6
dis = 30

// 30 <= 42 is true
days = 7
dis = 35

// 35 <= 42 is true
days = 8
dis = 40

// 40 <= 42 is true
days = 9
dis = 45

// 45 <= 42 is false
// the loop ends

the days is console logged: 9

Answer 14

ChaoticDawg I assume nothing. Pavankumar AN might be running it on a potato for all we know. Whatever the case, separating that one line and testing between them might lead to the same result.

Answer 15

Phil Andy Graves "on a potato" I really loled!

Answer 16

It doesn't give 2 different answers for me

Answer 17

Your problem is right after the loop

Answer 18

Just want to inform everybody the expected output, that sololearn wants to have:

//expected output for depth = 31 -> 6
//expected output for depth = 42 -> 8
//expected output for depth = 128 -> 26

Answer 19

You can use this:
I know this is like "jugaad"
But this will always work

var depth = 42
dis = 0
while (dis <= depth )
{
dis = dis + 5
}
day = dis / 5
if (dis-2 >= depth )
console.log(day-1)
else
console.log(day)

This will always work

Answer 20

Hi I gues you are talking about the snail on the well question in the bucle test. You are asking just about your code and people could not know what the question is.
I had so much troubles with it and after several times it comes out that you need to initialize the var where you sum the deep before compare to the current deep, also remember you need to break the cycle and I saw you are not checking the deep inside the cycle just in the while, or maybe you are talking about another question in thejavascript course but for the momoent is the only question that looks similar to you code to me, so this is the rigth answer

let days = 0;
let climb = 0;
while(climb < depth){
let result = climb + 7;
if(result >= depth){
days++;
break;
}
climb = result - 2;
days++;
//console.log("climb ",climb);

}

console.log(days);