Questions tagged [computer-science]
Computer science (CS) is the science behind programming. Use for questions related to the more theoretical questions involving programming. Questions of a purely theoretical nature may be off-topic. All CS questions can be asked on https://cs.stackexchange.com/
computer-science
4,493
questions
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3
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Time complexity analysis of data structures
I got a bit confused about analzsis of data structure basic operation like inserting or deleting.
when I am asked about creating an data structure that support deleting operation, or inserting in O(1),...
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-2
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0
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How to Choose Research Topics as a BTech CSE Student for Masters Applications? [closed]
I'm a second-year BTech CSE student working on research papers to strengthen my masters application abroad. Research isn't my strong suit, and I'm confused about where to start and what topics to ...
-1
votes
2
answers
99
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Comparing array sums with recursion
I had the following exam question in an intro to a CS course. I could not think of a proper solution for this.
Write a function in C that accepts two arrays, arr1 and arr2, and their common size, ...
- 11
0
votes
1
answer
31
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CS50 PSet 7 Movies (9.sql )
Why this code doesn't work? It should output 19.325 rows. I only get 4 rows. Meanwhile, it worked well when I used JOIN
SELECT DISTINCT name
FROM people
WHERE id IN
(
SELECT person_id
FROM ...
- 13
1
vote
0
answers
35
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File corruption after file copying using python, how to fix it?
The following code is used:
Python
import os
import shutil
def backup_files(src_dir, dest_dir):
for root, dirs, files in os.walk(src_dir):
for file in files:
src_file = os....
- 11
1
vote
0
answers
81
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Integer solutions for equation with approximated real variable
I'm trying to solve an equation of the kind:
f1(x)*m^2 + f2(x)*m*n + f3(x)*n = 0.
f1, f2, f3 are known linear functions with rational coefficients, x is inside the closed known interval [x_0, x_1] of ...
- 11
-1
votes
1
answer
45
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Does stack work differently in assembly than how it works in C?
I just started learning assembly code. As far as I understand, when a functions calls in assembly code, the main variables are stored to stack from registers and stored back to registers after ...
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-1
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0
answers
93
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getting error while npm installing package
`this is my package json file
{
"name": "transportal",
"version": "0.0.0",
"scripts": {
"ng": "ng",
"start"...
0
votes
0
answers
12
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In SR latch, how do we determine which input's output is considered in state table?
Case 1 - SR Latch using Nand Gate
Here the output from above gate's (taking S input) output is considered output of SR Latch
Case 2 - SR Latch using Nor Gate
Here the output from above gate's (taking ...
1
vote
0
answers
83
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Maximum Sum of Vertices in DAG Excluding Directly Connected Vertices
How can I calculate the maximum possible sum of vertices in a weighted DAG excluding vertices directly connected by an edge? This is a vertex selection problem where each vertex has a weight.
In this ...
- 195
1
vote
1
answer
98
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How to turn a 16-bit number in one's complement into it's 7-segment display equivalence?
I have a 16-bit integer, in one's complement, and I'm trying to retrieve it's 7-seg display equivalence. Using only bitwise operations.
I'm doing it for a Minecraft project/hobby, just trying to build ...
1
vote
0
answers
40
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Determining the run time of an algorithm solving Latin Square
any help would be appreciated.
Here is the problem: https://erich-friedman.github.io/puzzle/latin/
Now, I write some code to solve the problem and want to find the time complexity of the problem, I ...
- 35
2
votes
1
answer
26
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UML sequence diagrams: does creating a boundary automatically show it?
my colleagues and I are currently working on a university project about software engineering. At the moment, I am focusing on sequence diagrams and I have a few questions:
Is there a standard for ...
- 21
2
votes
0
answers
25
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Allocate cores for a specific process
I want to allocate multiple cores to a specific process so that only that process runs on those cores. Neither Windows system nor anything else should use these cores.
Is there a way to do something ...
0
votes
0
answers
25
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I Have Imagination of Futuristic Computing Scenarios. How Can I Get Involved?
I am currently a backend developer specializing in Java-oriented web services, with a bachelor's degree in Computer Science. After working for a few years, I have become deeply interested in diving ...
- 1