Questions tagged [return]

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How do I fix my code for PSET 4 blur?

What I tried to do was go to each pixel and see if any neighboring ones existed. If they did, I saved the neighboring pixel's colors. Then I ran a loop to add up all the values in that specific color ...
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1answer
84 views

Return type of printf in C

In the video Data Types, Doug says around 6:50 that printf does not have a return value. I don't think this is true. printf does return the number of character printed on the screen. Here is a ...
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1answer
33 views

Why do i need a return value when my program will recurse until it does in fact return a value?

To fix this problem all i need to do is return something in the else part of the if statement, but it seems so pointless and messy because the program is designed to recurse until a value is returned. ...
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1answer
305 views

End program by returning exit code 0 from bool function

so, for pset2 crack task i've generate a password, then encrypt this password and a salt to some result by result = crypt(pass, salt); After i want to compare result with hash, so i implemented a ...
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1answer
89 views

What should the return type of swap function be?

#include<stdio.h> #include<cs50.h> void swap(int x,int y); int main(void) { int x=get_int(),y=get_int(); printf("1=%i and 2=%i",x,y); swap(x,y); printf("1=%i and 2=%i",x,y); } void swap(...
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38 views

pset 3 won() function always return false

I'm stuck on the logic in pset3 won() function. Apparently, the function just doesn't return true no matter what. Here is my code. bool won(void) { int n = 1; //iterate over the board for ...
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1answer
22 views

C : error non-void function search - value (find)

I'm getting error non-void function search should return a value. If I add anything else to last return, such as false 1 or zero, the errors multiply. I've tried moving the indentations as well as ...
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2answers
23 views

Will the loop break in case the condition returns some value to the caller method in C?

If i write the following: for(int i=0; i<=1000; i++) { if(arr[1] == n){ return true; } } Will the loop break when the condition holds true and the return statement returns the value to the ...
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1answer
120 views

I implemented Collatz recursion which is giving error “Control reached at non void function”

It has proper return value kindly guide me how can i tell compiler I have return values. here is the code #include <stdio.h> include <cs50.h> int coll (int a,int c); int ...
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1answer
8 views

This is the code why it is not returning the swapped values

This code is written to return swapped values, why values are not being returned, My basic question is how can i take return value from function called, please demonstrate with any code example. <#...
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1answer
49 views

pset3 won function - Where does the “return true;” statement go?

bool won(void) { int counter = 1; for (int i = 0; i < d; i++) { for (int j = 0; j< d; j++) { while (board[i][j] != board[d-1][d-1] && counter != d*...
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3answers
141 views

This code of triangle problem always give me “true”.I can,t find bug in this please find the bug

#include <cs50.h> #include <stdio.h> bool triangle (float a, float b, float c); //Declaration of function int main (void) { printf ("Give me three sides of ...
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1answer
119 views

PSet3 Find passing my testing but failing check50

I'm working on linear search. When I test manually, it works correctly, and "echo $?" will show a 0 and 1 as expected. I have tried it with piped-in data sets, with the 127 and 128 examples from the ...
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1answer
81 views

Recursive Binary Search Exit Code Errors

I wrote the following recursive binary search function. No matter which exit codes I use (e.g., true, false, 1, 0, -1, "Swedish Chef"), I fail at least two of the checks I need to pass. The code ...
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1answer
436 views

Pset5 - Apostrophe and check problems with Tries

Alright, so I have spent days with with load, and just recently implemented check. I've read upon stuff, rewatched videos, all the good stuff. I'm trying to do pset5 (misspellings) with Tries. I ...
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1answer
282 views

caesar argc … help me get started

Ok so i just started caesar and i don't know whether I'm headed in the right direction or not, if not i just need someone to point me the right way,and yes i have seen the walkthrough. so heres my ...
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39 views

Cannot get both ball and paddle to work at the same time

Breakout: If I put return ball inside the while loop, I get a working paddle but the ball doesn't move. If instead, I put return ball outside the while loop or have no return at all, the ball moves, ...
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1answer
89 views

pset3 return function

When I tried to return newGRect instead of rect in this case and compiled my whole program, I got the message of Segmentation fault. May I know why? Also, may someone tell me where to find a ...
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1answer
164 views

pset3 helpers.c not working

this is my code for the top part { for (int i = 0; i < n; i++) { if (values[i] == value) { return true; } else { ...
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2answers
4k views

Pset3 Binary Search problems

I have tested the code presented in the picture and find this function always returns false no matter what number you search.There must be a problem in it but I can not see it!! Can anyone help me ? ...