Questions tagged [cash]

Cash problem in pset1

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2 answers
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am stuck at calculating quarters in the greedy algorithms

i am new to coding. how do i calculate after input of the user how many quarters they get then remainder to go next function
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0 answers
60 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 ...
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1 answer
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declaration shadows a variable in the global scope [-Werror,-Wshadow]

#include <cs50.h> #include <stdio.h> int get_cents(void); int calculate_quarters(int cents); int calculate_dimes(int cents); int calculate_nickels(int cents); int calculate_pennies(int ...
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Cash Not Compiling When Using Check50 Although I Removed Functions

My cash.c for pset1 compiles and runs as intended when I compile it, check50 knows the file exists, but it does not compile. I don't use functions, and it doesn't compile. Here is my code: #include &...
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1 answer
312 views

CS 50 Pset 1 cash: non-void function does not return a value

I have finish a program and it can run smoothly on other platform like replit... But one I run it on vs code it shows the following error and it also have something weird happen when I run check 50 ...
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1 answer
216 views

check50 issue on Problem Set 1: cash [duplicate]

I have finish my cash homework enter link description here But I face an issue that I can't check it even when I run the program successfully. My code is as below: #include <stdio.h> #...
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1 answer
253 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: #...
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1 answer
208 views

PSET 1 CASH stuck!

I am stuck with this problem. I'm wondering how to use the functions given to us at the top of the page (the template that was created after downloading the zip drive). There is a function about ...
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1 answer
297 views

Problem with Pset1 cash 2022

I just try to do the Pset1 cash assignment and got a problem here(submit results). Got a message that expected prompt for input, found none for 41 cents, 160 cents, returns integer number of cents, ...
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2 votes
1 answer
183 views

pset 1 cash – manual tests fine but still getting an error when I run check50

I've just finished cash and it seems to be working as expected when I run a manual test. When I run Check50 though I get the following message: :( calculate_nickels returns 5 when input is 28 expected ...
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1 answer
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pset1 cash 2022

hello guys I got en error from check50 2022 which you can see it in my screenshot I check it 100 times but I can't resolve the problem can you please help me? #include <cs50.h> #include <...
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1 answer
73 views

pset1 cash please help I'm stuck

can someone tell me why my code doesn't output properly? # include <stdio.h> # include <cs50.h> # include <math.h> int main(void) { int dollars; do { dollars = ...
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1 answer
23 views

function output?

I can't get this function to output the desired value of 0.07. #include <stdio.h> #include <cs50.h> #include <math.h> float i = 1.32; float quar_val = 0.25; int func(float val, ...
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2 answers
97 views

make: *** No rule to make target 'cash'. Stop

I have this problem. I'm trying to run this program but it keeps showing me this message and it confuses me since I have the file cash.c saved in the pset1 directory and cash (folder). I've looked for ...
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1 answer
78 views

Buy Finance Pset9 Cash not working

I am working on pset9 finance and I have been stuck for a while on it, especially this part: cash = db.execute("SELECT cash FROM users WHERE user_id = :userid", userid= ...
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1 vote
1 answer
85 views

error: function definition is not allowed here( help!)

Not sure what the issue is, ive gotten this in all programs ive written with a function Would appreciate help Error message: cash.c:33:5: error: function definition is not allowed here #include <...
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1 answer
1k views

variable used in loop condition not modified in loop body

i'm having some trouble here, not even sure if my loop is correct but i'm also confused as to why I got this error about the why the cents variable can not be modified, if anyone can explain to me ...
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2 answers
216 views

Imprecision during float subtraction in python

During pset6/cash, I tried to write the python code without multiplying change by 100 to get cents (as I had in c). I had assumed that this wouldn't lead to any precision issues, however when ...
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1 answer
142 views

CS50 problem set 1 cash

#include <stdio.h> #include <math.h> #include <cs50.h> int main(void) { // Get float for cents // Take inputs of positive floats and repromt user for negative float ...
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1 answer
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Pset1 "cash" question

this is my first question here so sorry if I do it wrong. My code compiles (it´s not finished yet), and it prompts, but when I run ./cash and type a number, It always gives me 0 coins, no matter what ...
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1 answer
619 views

How to solve use of undeclared identifier error

In Cash of Problem Set 1, I'm quite sure that I've declared the variables used in the code, but I keep getting the error : error: use of undeclared identifier 'q' int coins = (q + d + n + p) ; I ...
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1 answer
59 views

Problem set 1, Cash executuion issue

My code is as following: #include <stdio.h> #include <cs50.h> #include <math.h> int main(void) { //prompt for change float a = 0; int c = 0; ...
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1 answer
84 views

Cash Program not returning correct value for .41

I'm working on the Cash program in Week 2 and I think I have it all finished up the only problem is when I run check50 I get everything right except for .41 instead of returning 4 coins it gives an ...
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1 answer
47 views

Problem probably related to floating numbers from CS50 pset1 cash

how you doing? I can't figure out where is the bug from my code :/ It's really strange and the results are not the same if you do the same test with "0.01", for instance... #include <...
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1 answer
93 views

PSET1 Cash Outputting negative number?

I have a very bizarre problem I am experiencing. When I input any number the output by my program is as such: coins: 2 mQ + mD + mN + pN = -1055516176 When I run the program again it outputs nothing ...
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1 answer
52 views

Code not working - cash

Can someone please help me, as far as I think this code should give back the number of coins needed but it is not working.
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1 answer
45 views

Can you tell me my mistake

Please help, I don't know where the problem is.
0 votes
1 answer
60 views

Can you tell me my mistake? ;)

Could anybody tell me what my mistakes are ? #include <stdio.h> #include <math.h> int main (void) { float dollar; do { dollar=get_float("Enter your ...
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Could anyone explain the error message?

#include <cs50.h> #include <stdio.h> #include <math.h> int main (void) { float dollar; do { dollar = get_float("Enter your change"); } while (...
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1 answer
41 views

Im having a real hard time

I have a cash directory in which my source code cash.c and machine code cash are within. Why does this pop up? $ cd workspace $ cd cash.c $ make cash clang -fsanitize=signed-integer-overflow -...
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2 answers
142 views

Hello everybody : ) Can you help me out?

$ clang cash.c /tmp/cash-94cd4e.o: In function main': cash.c:(.text+0x1c): undefined reference to get_float' cash.c:(.text+0x44): undefined reference to `round' clang: error: linker command failed ...
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2 answers
84 views

pset1 cash THESE 2 ERRORS DROVE ME WILD help a newbie out, I will send you good vibes in return

error: expected identifier or '(' error: expected ';' after top level declarator int main (void) code #include <cs50.h> #include <stdio.h> #include <math.h> int main(void) float ...
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1 answer
274 views

Why do I get this "expected expression" error?

Like mentioned in the title, I get this "expected expression" error when I try to convert my amount from float into int type. Am I doing the conversion wrong ? Or is there something else I'm ...
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0 votes
2 answers
52 views

Cash 50 - Less Comfortable. Trying to nest so the algorithm will consider all money levels. Not working

coder newbie here. As far as I understand, this should work. This is the logic of my code... I get the float input from the user, and keep asking until I receive a positive number. I change this into ...
1 vote
1 answer
28 views

I can't figure this out can anyone help PLEASE ( line 7 error) cash.c:7:1: error: expected identifier or '(' {

#include <stdio.h> #include <cs50.h> #include <math.h> int main (void); { float dollar; do; { dollar = get_float ("Where is my change: "); } ...
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1 answer
52 views

CS50 Newbie needs help! Pset 1 cash problem. It compiles and runs but answers are wrong :(

Please check the code below. It runs fine but with a few "errors". when I input 0.41 as per the problem example, it gives me 16 coin count instead of 4. What is missing? Please help me ...
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0 votes
1 answer
31 views

Cash program only outputs input*4

I'm very new to coding and am really struggling with pset1- cash. I watched some tutorials and walkthrough videos, and with my limited knowledge, I cannot find any issue in the code I made. With the ...
0 votes
2 answers
200 views

pset1 cash less, problem using for loops

I tried to use for loops to solve the cash (less) problem set, not sure if thats possible. Can this code be fixed or do I need to use while loops instead? the code compiles, but the output is either (...
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0 votes
1 answer
149 views

Having trouble with Cash but does not know what is wrong

I am having trouble with my code for pset1/cash. When I check the code, this is my output: :) cash.c exists :) cash.c compiles :( input of 0.41 yields output of 4' expected "4\n", not "...
1 vote
1 answer
809 views

HELP, keep getting this error.... error: invalid operands to binary expression ('float' and 'int')

Hi! keep getting this error in my code Could someone kindly help me figuring out whats wrong? Thank you :)
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1 answer
49 views

NEED HELP WITH CASH (updated)

What is wrong with my code? I have spent a long time trying to figure it out but I cannot any help would be appreciated. I just updated it.
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0 votes
1 answer
172 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> #...
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2 answers
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pset 1 - cash problem - No errors, am rounding, but still not always correct amount of coins

I'm having trouble finding out where the problem with my code is on the Cash problem in the CS50 problem set 1. In the other questions for this problem on this forum it often seems to be the round() ...
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1 answer
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Why doesn't my code give me an output?

So I am very new to CS and I have been working hard twisting this code around in my mind trying to figure out why nothing happens when I run the program. It compiles fine, but whenever I put in any ...
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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> //...
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1 answer
87 views

PSET1 Cash - less comfortable - errors only for 0.41, 0.15

I hope you can help me with the PSET1 task - cash - less comfortable. Here is my code but I cannot figure out why - when testing the code - only 0.41 and 0.15 deliver wrong outputs (8 instead of 4 and ...
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0 votes
1 answer
24 views

My program doesn't run when i close the condition's range. When i leave the range open it does't give the answer i want

#include <cs50.h> #include <stdio.h> #include <math.h> int main(void) { float change; int cents = 0, coin_number = 0, quart = 25, dime = 10, nickel = 5, penny = 1; //...
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1 answer
64 views

This is my code for cash

This is my code for cash idk what I did wrong cuz when I compile it, it gives me a decimal of the number I put in instead of a whole number representing how many coins. Idk what I did wrong. #include &...
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0 votes
1 answer
255 views

cash less comfortable

I've been working on my cash problem but it keeps giving me error on the code especially the variables and I don't know why.
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1 vote
1 answer
39 views

Output Problem on CS50's Cash

so I used check50 on my code and it said 1.6, 23, and 4.2 had a wrong output. Can you please help me to see what I am doing wrong? Here is my code: #include <cs50.h> #include <stdio.h> #...
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