Quantcast

Got Homework?

Connect with other students for help. It's a free community.

  • across
    MIT Grad Student
    Online now
  • laura*
    Helped 1,000 students
    Online now
  • Hero
    College Math Guru
    Online now

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

Cynosure-EPR Group Title

You can use the "find()" function to find if a value exists inside of a vector as such: (find(vector.begin(), vector.end(), alueToBeFound) != vector.end()); My question is, how do you perform this search in a two-dimensional vector but only on one of the dimensions? For instance, if I had "vector< vector<int> >" such that vector[i][j] existed how could I only search through the 'i' values and not the j's? I'm wanting to store page reference strings in one of the columns and a timestamp in the other. However, when searching for a value I only want to check the page references not the t

  • one year ago
  • one year ago

  • This Question is Closed
  1. KonradZuse Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    To solve for only 1 of the variables do a for loop. for(int k = 0; k < i; k++) { //do something vector[k][j] or change k's to i's. }

    • one year ago
  2. Cynosure-EPR Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    This is what I ended up doing (already finished). However, after spending 5 hours finally getting all of my extremely inefficient code (so many loops..) to work, I realized I could have just created a class structure and been done in 20 minutes. FML.

    • one year ago
    • Attachments:

See more questions >>>

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.