20250111 finished.

src/problem/mod.rs

@@ -424,3 +424,5 @@ mod p2264_largest_3_same_digit_number_in_string;
 mod p3297_count_substrings_that_can_be_rearranged_to_contain_a_string_i;
 
 mod p3298_count_substrings_that_can_be_rearranged_to_contain_a_string_ii;
+
+mod p3270_find_the_key_of_the_numbers;

src/problem/p3270_find_the_key_of_the_numbers.rs

@@ -0,0 +1,37 @@
+/**
+ * [3270] Find the Key of the Numbers
+ */
+pub struct Solution {}
+
+// submission codes start here
+
+impl Solution {
+    pub fn generate_key(num1: i32, num2: i32, num3: i32) -> i32 {
+        let mut array = [num1, num2, num3];
+        let mut result = 0;
+
+        for i in 0..4 {
+            result += array.iter().map(|x| *x % 10).min().unwrap() * 10_i32.pow(i);
+
+            for i in 0..3 {
+                array[i] /= 10;
+            }
+        }
+
+        result
+    }
+}
+
+// submission codes end
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_3270() {
+        assert_eq!(0, Solution::generate_key(1, 10, 1000));
+        assert_eq!(777, Solution::generate_key(987, 879, 798));
+        assert_eq!(1, Solution::generate_key(1, 2, 3));
+    }
+}