20241010 finished.

src/problem/mod.rs

@@ -259,3 +259,4 @@ mod p2187_minimum_time_to_complete_trips;
 mod p871_minimum_number_of_refueling_stops;
 mod p1436_destination_city;
 mod p3171_find_subarray_with_bitwise_or_closest_to_k;
+mod p3162_find_the_number_of_good_pairs_i;

src/problem/p3162_find_the_number_of_good_pairs_i.rs

@@ -0,0 +1,45 @@
+/**
+ * [3162] Find the Number of Good Pairs I
+ */
+pub struct Solution {}
+
+
+// submission codes start here
+
+impl Solution {
+    pub fn number_of_pairs(nums1: Vec<i32>, nums2: Vec<i32>, k: i32) -> i32 {
+        let nums1: Vec<i32> = nums1.into_iter().filter_map(|x| {
+            if x % k == 0 {
+                Some(x / k)
+            } else {
+                None
+            }
+        }).collect();
+
+        let mut result = 0;
+
+        for &num in nums1.iter() {
+            for &num2 in nums2.iter() {
+                if num % num2 == 0 {
+                    result += 1;
+                }
+            }
+        }
+
+        result
+    }
+}
+
+// submission codes end
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_3162() {
+        assert_eq!(5, Solution::number_of_pairs(vec![1, 3, 4], vec![1, 3, 4], 1));
+        assert_eq!(2, Solution::number_of_pairs(vec![1, 2, 4, 12], vec![2, 4], 3));
+        assert_eq!(1, Solution::number_of_pairs(vec![2, 12], vec![4, 3], 4));
+    }
+}