Merge pull request #7670 from ealvar3z/challenge-206_eax

add Rust solution for week 206

2 files changed, 66 insertions, 0 deletions

diff --git a/challenge-206/ealvar3z/blog.txt b/challenge-206/ealvar3z/blog.txt
new file mode 100644
index 0000000000..c3ad90c16b
--- /dev/null
+++ b/challenge-206/ealvar3z/blog.txt
@@ -0,0 +1 @@
+https://eax.bearblog.dev/perl-challenge-weekly-206/
diff --git a/challenge-206/ealvar3z/rust/src/main.rs b/challenge-206/ealvar3z/rust/src/main.rs
new file mode 100644
index 0000000000..29e228495a
--- /dev/null
+++ b/challenge-206/ealvar3z/rust/src/main.rs
@@ -0,0 +1,65 @@
+use itertools::Itertools;
+
+pub fn task_one(time_points: &[&str]) -> i32 {
+    let mut minutes: Vec<i32> = time_points
+        .iter()
+        .map(|time| {
+            let parts: Vec<&str> = time.split(':').collect();
+            let hours: i32 = parts[0].parse().unwrap();
+            let mins: i32 = parts[1].parse().unwrap();
+            hours * 60 + mins
+        })
+        .collect();
+    minutes.sort();
+    let mut delta = 24 * 60;
+    let first = minutes[0];
+    let last = minutes[minutes.len() - 1];
+    let circular_diff = first + (delta - last);
+    delta = delta.min(circular_diff);
+    for i in 1..minutes.len() {
+        let diff = minutes[i] - minutes[i - 1];
+        if diff < delta {
+            delta = diff;
+        }
+    }
+    println!("Output: {}", delta);
+    return delta;
+}
+
+pub fn task_two(nums: &[i32]) -> i32 {
+    let sum = nums.iter()
+        .sorted()
+        .step_by(2)
+        .map(|x| *x)
+        .sum();
+    println!("Output: {}", sum);
+    return  sum;
+}
+
+fn main() {
+    println!("Task 1");
+    test_task_one();
+    println!();
+    println!("Task 2");
+    test_task_two();
+}
+
+fn test_task_one() {
+    let a = ["00:00", "23:55", "20:00"];
+    assert_eq!(task_one(&a), 5);
+
+    let b = ["01:01", "00:50", "00:57"];
+    assert_eq!(task_one(&b), 4);
+
+    let c = ["10:10", "09:30", "09:00", "09:55"];
+    assert_eq!(task_one(&c), 15);
+}
+
+fn test_task_two() {
+    let a = [1, 2, 3, 4];
+    assert_eq!(task_two(&a), 4);
+
+    let b = [0, 2, 1, 3];
+    assert_eq!(task_two(&b), 2);
+}
+