Questions tagged [pset5]
The problem set for Week 5 will challenge you to apply what you've learned about pointers, memory management, file i/o and structs, creating more complex data structures (such as Hash Tables or Tries) and leveraging their power to write a lightning-fast spell check algorithm.
1,275
questions
0
votes
0
answers
9
views
pset50 could not unload dictionaries/large
// Implements a dictionary's functionality
#include <ctype.h>
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <strings.h>
#include <stdlib.h>
#...
0
votes
0
answers
8
views
how to fix this errorÉ
this is the code i have right now:
#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include "CalorieList.h"
#include "cstring.h"
namespace sdds {
void CalorieList::...
0
votes
1
answer
10
views
CS50 Speller works but check50 doesn't
My code seems to work fine with all text files.
When I look at the errors it doesn't even show actual output, why could that be?
https://submit.cs50.io/check50/e963f4484de14f0b73f8fca9a5e9431556cb649a
...
0
votes
1
answer
11
views
PSet5 Speller: Are we hashing the words in the dictionary into a hash table or the words of the text?
I've completed the first function of the Problem set, where I've sorted every word in the dictionary into a trie, but I don't know if I was supposed to do that in the hash function, and something else ...
0
votes
1
answer
6
views
PSet5 Speller: What is each function in dictionary.c supposed to do?
I've started working on this PSet, and now I'm confused because in the instructions I can't figure out where it tells me what each function is supposed to do. Hash is never even called in speller.c so ...
0
votes
1
answer
20
views
Speller: memory leak
this is my program
// Implements a dictionary's functionality
#include <ctype.h>
#include <stdbool.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include ...
- 1
0
votes
0
answers
15
views
Need help with speller.c
So, when I was testing my code for pset5's speller, I ran it and it worked not so well, to be honest, heres my code if you wanna know:
#include <ctype.h>
#include <stdbool.h>
#include <...
0
votes
1
answer
18
views
pset5 segmentation faoult
Good morning, I have segmentation fault on my dictionary.c code, I was trying to find a Typ0 mistake or variable declaration mistake but I can not find anyone. Also I can not find logic errors, so I ...
0
votes
1
answer
25
views
Everything is correct in my Check50 but in program I have other ERRORS - PSET05 Speller
I hope you're doing well and I also hope you might help me. When I run my CHECK50 in my speller program. Everything is correct all green, but when I run my program or valgrind I have some errors. And ...
0
votes
0
answers
13
views
Lab 5 'Inheritance': program successful in terminal but check50 time-out
I am currently stuck on lab 5: 'inheritance'. I am really unsure where the problem is as my code compiles and runs fine, producing the expected table as given in the CS50 documentation. However, when ...
0
votes
1
answer
28
views
Pset5 speller segmentation fault when loading
When I run speller, I get a segmentation fault. I have played around with the code a little bit and nothing so far has changed. Using help50, this is the result I got:
Looks like you're trying to ...
- 5
0
votes
1
answer
19
views
PSET 5 "SPELLER" : Why this hash function resulting in SEGMENTATION FAULT(core dump)?
If i run it in another smaller program it works fine( returns the key correct) but on the pset 5 speller it gives segmentation fault. why?
0
votes
1
answer
236
views
check50 error expected exit code 0, not 1
I was following python programming course and with the unit test chapter I updated the main file and the test files as described in this problem set page. Now I'm sure that my tests are running fine ...
- 3
0
votes
1
answer
36
views
pset5: Check50 fails for Speller but everything looks good
I wrote dictionary.c.
It compiles.
There are no issues with valgrind.
It appears to run correctly (when comparing with answer keys).
Everything looks good.
But when I run Check50, it runs into issues ...
0
votes
1
answer
33
views
pset5 speller valgrind test fails
in check50 my code fails last test (valgrind test) fails it says:
"Use of uninitialised value of size 8: (file: dictionary.c, line: 41)"
i starred line 41 below,
I tried both using if(!...
0
votes
0
answers
247
views
correct plates.py passes all test_plates checks: expected exit code 0, not 2
On pset 5, I am getting this error from check50:
:( correct plates.py passes all test_plates checks
expected exit code 0, not 2
I am confused because my plates.py does pass all test_plates checks:...
0
votes
1
answer
22
views
PSET5 Speller case conversions
I've been struggling with writing code for case conversions in the check function to make all hash words to be lower-cased. My lack of knowledge in programming overall seems to be revealed at this ...
- 5
0
votes
0
answers
28
views
(pset5)I get a segmentation foult, even though check50 says that everything is allright
as per the title — I get a segfoult and can't check my times, even though check50 claims that the code is practically ready to submit.
Here's my code, followed by valgrind results:
// Implements a ...
0
votes
1
answer
77
views
Pset5 Speller - Valgrind issue
this one was tough. But in the end my code compiles fine and has no memory leaks, the hash function isn't very good but it works. Yet I still get an error message that I just don't understand. First, ...
- 3
0
votes
1
answer
32
views
Pset5 speller memory error --valgrind says no leaks
I almost finished pset 5 speller, I ran check50 and only the last criteria was not matched.
That is "valgrind tests failed; see log for more information."
The confusing thing is, when I ran ...
- 11
0
votes
1
answer
21
views
PSET5 Speller seg fault
I keep having segmentation fault in Pset5 Speller.
I used debugger to find the line where seg fault happens,
and it was "table[k] = n;" in function load.
I don't really understand. Could ...
- 11
0
votes
0
answers
37
views
I'm working on pset5 - speller, it works fine when I run/test it, but when I run 'check50' it show this error. help me with this
[EDIT: Code removed for Harvard Honor Code compliance.]
- 1
0
votes
2
answers
97
views
Valgrind error in pset5 speller
newbie here this is my first post, I hope you guys can help me! I am stacked with speller, my program works apparently fine but the valgrind test outputs some errors that I can't understand. I have ...
- 3
0
votes
1
answer
38
views
pset5 speller load and hash functions
Whenever I run speller.c it appears that none of the words are getting loaded into the dictionary as the output looks like this:
MISSPELLED WORDS
A
cat
is
not
a
caterpillar
WORDS MISSPELLED: 6
...
- 3
0
votes
2
answers
57
views
PSET 5 Speller Check50 Problem
I think I have done everything you're supposed to do in PSET5 Speller. when I manually check the outputs of my code, it works perfectly well. It matches the staff solutions one to one. Yet Check50 ...
- 1
0
votes
1
answer
29
views
PSET 5 Speller Valgrind Memory
My code is functional according to check50 but I'm still leaking bad memory. Based on amount of memory lost, I'm guessing something to close up in LOAD, but could be UNLOAD as well. First thoughts are ...
- 3
0
votes
1
answer
51
views
PSET5 - Speller - Valgrind returns memory leak
After many trials, I am currently stuck in this Pset. The full code that I have is as follows:
// Implements a dictionary's functionality
#include <ctype.h>
#include <stdbool.h>
#include &...
0
votes
1
answer
33
views
PS5 - Speller - Unload function
I have been going through the Pset5 (Speller) and I am currently stuck. Right now, I am just trying to have a functional code, so I am not worried about how optmized my functions (specially the Hash ...
0
votes
1
answer
37
views
pset 5 speller, turning frowns upside down
I thought i had wrote a correct programme for speller, check 50 says that my code compiles but that is all it does! I have been running my programme and combing through each function and I still can't ...
0
votes
1
answer
33
views
Pset5 Speller - Got "Conditional jump or move depends on uninitialised value(s)", "Use of uninitialised value of size 8" by check50
I try my code here to solve the pset5 - speller question, it seems pretty ok with locally run my valgrind. But when I use check50 to check it. One error(and only 1) happened.
I tried to assigned ...
0
votes
1
answer
34
views
Pset5 Speller Issue With Substrings and Apostrophes
I'm able to compile my code for speller and it appears to work correctly. Valgrind shows that there are no memory errors. But when I run check50, I get back :( notices saying my code isn't handling ...
- 65
0
votes
1
answer
41
views
Speller segmentation fault and valgrind issues
I'm working on Speller and am able to get it to compile but get a segmentation fault when I run it. When I use valgrind, I also appear to be leaking 27 bytes of memory. Anyone able to see where I am ...
- 65
0
votes
1
answer
25
views
CS50 PSET 5: Returning 0 words in large dictionaries only
I've been trying to figure this out for a while now. I'm doing PSET 5 and all my dictionary words in large texts return 0, though when I've tried the small dictionary, it returns the words fine there. ...
0
votes
1
answer
86
views
Pset5 speller memory leak (valgrind: definitely lost)
There is a memory leak problem with my code when I ran it with valgrind.I have already check my code and passed all of them except for memory test.I am hoping someone can help me solve this problem....
- 3
0
votes
1
answer
38
views
segmentation fault from pointers
i keep getting segmentation fault when running this code. using printf i can see its from loading ala and the hashtable to store this is set to nil. other words when the hashtable to store them is nil ...
- 5
0
votes
0
answers
7
views
Unable to figure out segmentation fault in speller
I have filled in all the functions in dictionary.c. But valgrind is giving segmentation faults.
bool load(const char *dictionary)
{
// TODO
FILE *file = fopen(dictionary, "r");
...
0
votes
0
answers
59
views
Stack overflow in Pset 5 (Speller)
Valgrind says the problem is in strcpy(n -> word, buffer), but I just can't understand why.
Anyway here's the code
bool load(const char *dictionary)
{
wordcount = 0;
//open file dictionary for ...
- 1
0
votes
1
answer
102
views
Speller works for everything but one letter words
When I run my speller program it works on everything but one letter words. I have been trying to figure this problem for a long time. I think it is a problem with either my hash or check functions. ...
0
votes
0
answers
96
views
Pset5 Speller Memory Problem
I am having a memory issue with my program in speller. Check50 returns all green except for the last line which says
:( program is free of memory errors
expected "MISSPELLED WOR...", not &...
0
votes
1
answer
45
views
Speller outputs all words as misspelled
I currently am doing the Week 5 Speller project. My code outputs all words as misspelled. I think it has to do with the load() function, but I am not sure if or why it is doing that. I don't think ...
- 3
0
votes
1
answer
41
views
segmentation fault with node pointers on speller
I know which line has the segmentation fault ,
if (table[hashn]->next == NULL)
In this case hashn is 0 so its not exceeding the array
Any ideas why its happening?
0
votes
1
answer
70
views
PSET5: Problem with my check function, but I'm not sure
I have been stuck with this problem for many hours now, but I still can't wrap the idea around my head. When I test run this code, it just prints out "MISSPELLED WORDS", and nothing more. ...
0
votes
0
answers
136
views
PSet5: ModuleNotFoundError: No module named
I'm trying to use pytest to run my tests on CS50P but everytime i try it, it shows a ModuleNotFoundError, unless i copy the file into the same directory of the test file.
Is there a way to make sure ...
- 1
0
votes
0
answers
354
views
CS50P PSet 5 Refueling Check50 Fails. What could i be doing wrong?
I have been having this check50 fail issue for a while now. I have rewritten my fuel.py multiple times and the test code too. But I can only get check50 to pass the "Expected exitcode" check ...
0
votes
1
answer
49
views
PSET5 - SPELLER - Check50 only works locally
I am trying to run check50 on my version of speller. I worked for so long on this code. It was a battle every step of the way to get it to finally run. I finally seemingly got it today.
My code works ...
- 3
0
votes
1
answer
19
views
pset5 speller different unload algorithms
I just finished pset5 but I had a question about why a (what i think is) recursive method doesnt work but the one i went with does.
if you skip and look in unload youll see a "destroy" ...
- 1
0
votes
1
answer
66
views
Compilation Error
I tried to compile Dictionary.c[Problem set 5]
and it appears an error which is :
/usr/bin/ld: /lib/x86_64-linux-gnu/Scrt1.o: in function _start': (.text+0x1b): undefined reference to main'
clang: ...
0
votes
0
answers
55
views
When I run the speller program, it says "killed".. how can I go about addressing this issue?
This is my code:
#include <ctype.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include "dictionary....
- 1
0
votes
0
answers
16
views
my check and size functions are having problems and check50 returns all frowns
// Implements a dictionary's functionality
#include <ctype.h>
#include <stdbool.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#...
0
votes
4
answers
267
views
PSET5 Speller: Check50 Can't Compile: Exit code 2 vs 0
At my wit's end here. I've seen this question asked before, but I haven't really found an answer.
My speller program compiles perfectly fine in the VS Code workspace. It generates the same results as ...
