Questions tagged [cash]
Cash problem in pset1
111
questions
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why, if coding in python, get_float accepts an int like 2 but not a float like 0.41?
In the pset6, exercise cash, get_float accepts an int like 2 but not a float like 0.41?
This is a snippet from my python code:
from cs50 import get_float
owed = get_float("Change owed: ")
...
- 1
0
votes
1
answer
24
views
problem set cash: why am I getting really high numbers in my return?
I'm very new to coding and I'm stuck on the cash problem set. It keeps returning a very high number and not returning cash.
my code is below
#include <cs50.h>
#include <stdio.h>
int ...
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0
votes
1
answer
29
views
Relational comparison unused in pset1 cash
I have a relational comparison unused and my code fails to compile.
int get_cents(void)
{
// TODO
int cents = 0;
do
{
cents = get_int("Total cents owed: &...
- 3
0
votes
1
answer
53
views
this program is supposed to be greedy algorithms that meant to count the number of coins to make the change owed = 0 , the output is always less by 1
#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 ...
- 3
0
votes
1
answer
16
views
How do I combine variables and words in a sentance?
printf("%i\n", quarters, "quarters,", "%i\n", dimes, "dimes,", "%i\n", nickels, "nickels", "%i\n", pennies, "pennies.");...
- 35
0
votes
1
answer
104
views
Getting: expected identifier or '(' error and I don't know why
int calculate_quarters(int cents);
{
// TODO
int quarters;
for(quarters = 0; cents >= quarters; quarters++)
{
cents = cents - 25;
}
return quarters;
}
The error happens ...
- 35
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
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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 ...
0
votes
1
answer
534
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 ...
0
votes
1
answer
306
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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>
#...
0
votes
1
answer
283
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
233
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 ...
- 11
0
votes
1
answer
324
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, ...
- 3
2
votes
1
answer
202
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 ...
- 21
0
votes
1
answer
1k
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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 <...
0
votes
1
answer
81
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 = ...
- 1
0
votes
1
answer
25
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, ...
0
votes
1
answer
115
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 ...
0
votes
1
answer
99
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=
...
- 107
1
vote
1
answer
109
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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0
votes
1
answer
2k
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 ...
0
votes
2
answers
537
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 ...
0
votes
1
answer
244
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 ...
- 3
0
votes
1
answer
76
views
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 ...
0
votes
1
answer
983
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 ...
- 11
0
votes
1
answer
61
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;
...
0
votes
1
answer
97
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 ...
- 17
0
votes
1
answer
52
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 <...
0
votes
1
answer
101
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 ...
- 1
0
votes
1
answer
63
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.
0
votes
1
answer
47
views
0
votes
1
answer
64
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 ...
0
votes
0
answers
31
views
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 (...
0
votes
1
answer
43
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 -...
0
votes
2
answers
197
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 ...
0
votes
2
answers
97
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 ...
0
votes
1
answer
542
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 ...
- 5
0
votes
2
answers
55
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
29
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: ");
} ...
0
votes
1
answer
53
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 ...
- 3
0
votes
1
answer
36
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
233
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 (...
- 3
0
votes
1
answer
175
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
1k
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 :)
0
votes
1
answer
66
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.
user29371
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
2
answers
126
views
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() ...
0
votes
1
answer
28
views
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 ...
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
93
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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