Questions tagged [whodunit]

whodunit.c, one of the assignments for Problem Set 4, will challenge you to manipulate the color value of pixels in a bitmap image in order to reveal a hidden image.

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pset4 whodunit.c could not open the infile please help

My program does not open the infile I am trying to find it out but I could not please help. Thank you! // Copies a BMP file #include <stdio.h> #include <stdlib.h> #include "bmp.h" int ...
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pset4 how to enhance the colors in the background

How do I enhance the colors in the background. I've added white colors to the image, making it much more visible, but not sure whodunit. I am trying to enhance the sky blue in the image so that I can ...
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Why I am getting blank verdict on whodunit?

// Copies a BMP file ​ include include ​ include "bmp.h" ​ int main(int argc, char *argv[]) { // ensure proper usage if (argc != 3) { printf("Usage: copy infile outfile\n"); ...
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What are primitives?

In the WHODUNIT problem set in week 3 it says: "Open up bmp.h, and you’ll see actual definitions of those headers we’ve mentioned, adapted from Microsoft’s own implementations thereof. In addition, ...
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Problem set 3, Whodunit

I ran my program, I only see less red noise. I can’t make out anyone or anything! [This is the verdict, with less red]
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pset4 whodunit how to submit

per the instruction of whodunit, "When submitting this problem, you’ll be asked whodunit!". However, when i submit, it does not ask me what is the whodunit. even though check50 shows all green but i ...
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pset4 whodunit: where do I say whodunit

I finished whodunit and submitted my code but I was never asked whodunit. How do I answer the final question?
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Pset4 whodunit questions

In pset4 whodunit I start with a screen with too much red. Below I thought of two methods that could work. Will both methods work? Do I need to add more code to make it work? Where do I place this in ...
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Cannot submit a problem

I am trying to submit 'whodunit'. I get the message: Invalid slug. Did you mean to submit something else? I have updated my IDE (update50) and am in the correct directory. I realise that I am far ...
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259 views

Copying on whodunit

I'm confused about how I should be using copy in whodunit. What file should be the infile? Which one should be the outfile? How do I view the outfile? Thanks
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222 views

Pset4 Whodunit - Enhance colors

I've successfully managed to remove the red pixels and now I want to enhance the other pixels, so that the message is more clear. The way I am try to do is the the following: If the pixel is red I ...
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196 views

whodunit how to compile? refresh verdict.bmp?

there. Can anyone tell me how will I able to see the changes to the verdict.bmp after I have written some codes in whodunit.c?
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person not recognized

this is image after getting the red out,but the person is still not recognizable.Is this the solution or i need to enhance the image.
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Bitmap Header info

How could I see the bmp header/metadata info for the verdict.bmp file. Is there any command exist similar to 'peek large.bmp' ?
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whodunit : why do slight adjustments have such drastic results?

Just before hitting "submit" I solved my own problem, but I thought I would share my question and answer, in case someone else ends up with the same problem. As an intro note: I've noted that you don'...
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whodunit Comparing colours and changing pset4

So I'm doing whodunit in pset4 and per the walkthrough by Zamyla, I should do this comparison for red so that I can change the colour. However I'm getting this error when compiling: Help please, ...
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Whodunit: Putting a name to the face

I can see the face, but I don't know who it is. Is there a web page that has all the staff faces and names on? I am doing "fall 2014" so I need the names and faces from last year (unless the person ...