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  1. Prepare
  2. Algorithms
  3. Implementation
  4. Lisa's Workbook
  5. Discussions

Lisa's Workbook

  • keniblank
     + 0 comments

    Here is my rust submission:

    It is long but this is the only way I was able to understand properly. Try running it, the println! gives very useful output for figuring the problem out.

    fn workbook(n: i32, k: i32, arr: &[i32]) -> i32 {
    let mut special_problems = 0;
    let mut page_no = 0;

    for chapter in 0..n {
        let mut problem_count = arr[chapter as usize];
        let mut exitLoop = false;
        let mut start = 0;
        loop {
            let mut problems_in_page: Vec<i32> = Vec::new();
            if (problem_count > k) {
                problem_count -= k;

                let range = start..start + k;

                problems_in_page = range.collect();
                start += k;
            } else {
                let range = start..start + problem_count;
                problems_in_page = range.collect();
                exitLoop = true;
            }

            for i in &problems_in_page {
                if page_no == *i {
                    special_problems += 1;
                }
            }

            println!("Chapter: {chapter}, Page: {page_no}, Value: {problems_in_page:?}");
            page_no += 1;
            if exitLoop {
                break;
            }
        }
    }

    special_problems
}