Questions tagged [cs50-pset1]
The cs50-pset1 tag has no usage guidance.
37
questions
1
vote
2
answers
77
views
variable used in loop condition not modifies in loop body
im struggling with pset1 cash exercise, when im defining a calculate_quarters() and other in the same way i got an error. the task is to find out the number of quarters, dimes, nickels and pennies to ...
- 13
0
votes
1
answer
19
views
Can someone please help me in resolving this issue. I don't quite understand what I am supposed to change here
Ok, so apparently there are no compilation errors. But what exactly is happening here. Like, why am I getting this error?
P.S-Even help50 doesn't seem to be of much help here...
The actual code is as ...
0
votes
1
answer
123
views
Dealing with pset1's "credit" problem
I was trying to solve this problem. I did some coding:
#include <cs50.h>
#include <stdio.h>
int get_digit_number(long card_number);
int main(void){
bool valid;
long card = get_long(&...
0
votes
0
answers
78
views
CS50 Cash 2022 - Functionality / Prompt Bug
*I am incredibly new to all of this, it's possibly operator error due to lack of familiarity with the software
I actually understand the math and the set-up of the code, but I don't understand VS code ...
- 1
0
votes
1
answer
15
views
PSET1 Mario -The code builds the pyramid visually but getting errors with check50. Need help understanding
#include <stdio.h>
#include <cs50.h>
int main (void)
{
//Get input of height from user
int n;
do
{
n = get_int("How high should the pyramid be? ");
}
...
0
votes
4
answers
2k
views
Cant get Codespace to work
Im up to the "Hello" module, week 1. Ive never programmed before so setting up copespace has been quite frustrating. I cannot get it to work. Can someone please help me? I want to get ...
0
votes
1
answer
284
views
Pset1 Cash 2022, doesnt print out # of coins
At first I solved and it works only with user check and not check50, so I tried to add the calculate functions and the get_cents but it wouldn’t print coins anymore. Please help!!
When it worked:
#...
- 1
0
votes
1
answer
73
views
CS50 PS1 Cash - If statement nested within while loop
I figured out how to solve this using an alternative method, however, when I tried to debug my original code where I nested if statements (along with various if else statements) within a while loop, I ...
0
votes
1
answer
88
views
Caesar problem. Keep getting error of segmentation
The follow part of code worked perfectly, while I declared variables key_num and plaintext within if{}, but since I declared them outside (cause I need to use these vars later) I get the "...
0
votes
1
answer
61
views
Credit (Pset1) - Do While Loop
I am still really new to C and programming in general(just started a week ago) and I'm having difficulty with the do while loop. My code doesn't run beyond while (ccNUM < 0);.
I tried running ...
0
votes
1
answer
54
views
PSET1 - credit ,not satisfying all test cases ,please help
These are the test cases which my code doesn't satisfy ,can someone please help me out as i have absolutely no idea why it is happening.
Some tips or advice would be handy. Thank you in advance.
:( ...
0
votes
1
answer
198
views
CS50_Mario: How to fix: :( handles a height of 1 correctly expected ""#"", not "" "\n" #""
Here is my code, could you please help me?
int main(void)
{
//ask user for the input
int n;
do
{
n = get_int("Height: ");
}
while (n < 1 || n > 8);
...
0
votes
1
answer
171
views
CS50 PSET1 Hello, undefined reference to main
whenever i type clang hello.c it tells me that there is an undefined reference to main and i dont know how to solve this. please see the image to see my code and the error.
- 1
0
votes
1
answer
201
views
Pset1 Cash less comfortable - not running for 0.41 and 0.01
--
hi im running into a problem with my code. It's executed pretty well with many inputs except for 0.41 and 0.01. It didn't print out any answer but just ran indefinitely...
#include <stdio.h>
#...
0
votes
1
answer
91
views
Pset1 - Mario (less) - White Space
I am having a heck of a time trying to fix my error of "did you add too much trailing whitespace to the end of your pyramid?". It looks identical to me, but obviously I am missing something. ...
- 1
0
votes
1
answer
60
views
Coin count off by 1 in cash
When I input an amount into the program cash, it gives me one more coin than I should have and I'm not sure how to fix it
#include <stdio.h>
#include <cs50.h>
#include <math.h>
//...
0
votes
1
answer
38
views
CASH issue - help needed
I've been struggling with this for a month now so any help will be appreciated.
The program just returns the value of input, so although there are no errors in compiling, it doesnt actually produce ...
- 5
0
votes
2
answers
123
views
Pset1 Cash (in C) array increment error
Context;
I'm trying to solve Cash by;
Taking positive integer user input, saves as float "ch" for change. (this as an implementation detail)
Create an array "coin_val" with coin value by descending ...
- 15
0
votes
1
answer
175
views
CS50 pset 1 cash problem: keep getting 1 as answer
I'm trying to do the CS50 cash problem and the answer keeps getting number 1 no matter which change I input. It won't accept negative numbers as asked by the problem, but I don't know why it doesn't ...
- 3
0
votes
1
answer
199
views
cash CS50 2020 pset1 modulo
I seem to be having trouble using modulo as conditions inside of while loops.
int main()
{
float n;
do
{
n = get_float("How much change is owed? ");
}
while(n < 0);
int cents = round(...
0
votes
1
answer
177
views
Stuck on CASH problem pset1
I need help on why this is happening:
I'm currently doing the cash problem. I used get_float to get user's amount and then used round(amount_from_user * 100) to convert the float to int (i.e cent) as ...
0
votes
1
answer
498
views
Hello.c pset1 problem, syntax error near unexpected token `(' and User input problem
Ive been doing pset 1 Hello and at the last part about User Input, Im at a loss for what to do. On the instructions, there are some hints where it says two commands. When I put down the two commands I ...
0
votes
1
answer
851
views
Pset 1: Cash help
I've put together my answer for the cash problem set, but when I run the program and enter an amount for "change owed" it always outputs 1. Being new to all of this, I'm not sure what I'm doing wrong ...
- 3
0
votes
1
answer
39
views
CS0 pset1 Greedy not working for decimal inputs
I'm currently working on cs50's pset1 greedy problem and I've run into an issue. It seems the code works perfectly for all inputs except for those with decimals. I've even tried running the part of ...
0
votes
2
answers
153
views
Not In Directory In Terminal Window pset1/mario/less
In the terminal window the current directory is always shown on the line where a command can be typed in. While working on pset1/mario/less somehow I have created the issue by which the current ...
- 3
0
votes
1
answer
1k
views
Mario Half Pyramid - CS50
I have searched the forum for an answer to my question but the code from others confused me. My pyramid keeps printing upside down and I'm not really sure why. I am not looking for an answer but ...
0
votes
1
answer
82
views
Incorrect mastercard number in pset1 cs50 2018 [duplicate]
according to Luhn's algorithm, 5105105105105100 is invalid as the total comes out to be 25, but the check50 cs50 says its valid. and in places, they starting to double the digits from the first digit ...
0
votes
1
answer
862
views
PSET1: Can't check hello.c
Doing on https://ide.cs50.io
typing check50 cs50/2018/x/hello hello.c in ~/workspace/pset1/hello/ $
And got Uploading.. Unexpected token <
- 1
1
vote
1
answer
480
views
credit problem(pset 1) cs50
iam a beginner to programming and recently started cs50,in week1 there is a credit problem which stats:
Implement a program that determines whether a provided credit card number is valid according to ...
- 11
0
votes
1
answer
57
views
PSET1 Hello Score
This project seems so simple. I submitted a couple of times got 25 score, then fixed some things and got a 70. Really tried to improve this but now I can only get a 40? I have used the help50 it says ...
- 3
0
votes
1
answer
287
views
I finished pset1 mario.less but I don't understand my code
So I managed to finish pset1 mario.less but I'm really struggling to understand the logic behind my own code, the confusion comes into play once I get to the part where we begin building the half ...
- 1
1
vote
2
answers
114
views
PSET1 Mario More: Same output but still displays error
#include <stdio.h>
#include <cs50.h>
int main(void)
{
int block;
do
{
printf("Height: ");
block = get_int();
}
while (block < 0 || block > 23);
...
- 13
0
votes
1
answer
35
views
Greedy, exit code 0, not 1
Here is the program:
int main (void)
{
float dollar_amount =0;
int quarter =25;
int dime = 10;
int nickel = 5;
int penny = 1;
do
{
printf("I own you ");...
0
votes
1
answer
127
views
cs50 mario.c more check errors
I could not find the solution for my error on cs50 mario.c/more as my output shows perfectly fine on the terminal but i get check error which I don't understand please help:
:( handles a height of 1 ...
- 1
0
votes
1
answer
270
views
Greedy(less comfortable) questions/thoughts/input/advice on my programm
Hello
I am relatively new to programming and C in general.
I have left the comments next to the points I have questions to, please don't give me any solutions, as I really want to learn and ...
0
votes
1
answer
56
views
Pset1 Question Mario
So I figured everything out except why when I configure the program it doesnt print anything. No hashes no spaces!
#include <cs50.h>
#include <stdio.h>
int main(void)
{
...
- 1
0
votes
1
answer
42
views
pset 1 greedy- my code is getting stuck in do while loop. Why is it not take values like $.46?
I am working on pset1 greedy and my code is not working properly. if I put in the value .30 for float than it goes further. However, if I input .46 or 1.26 then it's getting stuck. Can you help with ...
