20240916 finished.

src/problem/mod.rs

@@ -237,3 +237,4 @@ mod p2576_find_the_maximum_number_of_marked_indices;
 mod p2398_maximum_number_of_robots_within_budget;
 mod p2390_removing_stars_from_a_string;
 mod p2848_points_that_intersect_with_cars;
+mod p1184_distance_between_bus_stops;

src/problem/p1184_distance_between_bus_stops.rs

@@ -0,0 +1,46 @@
+/**
+ * [1184] Distance Between Bus Stops
+ */
+pub struct Solution {}
+
+
+// submission codes start here
+
+impl Solution {
+    pub fn distance_between_bus_stops(distance: Vec<i32>, start: i32, destination: i32) -> i32 {
+        let (start, destination) = (start as usize, destination as usize);
+        let n = distance.len();
+        
+        let mut positive = start;
+        let mut positive_result = 0;
+
+        while positive != destination {
+            positive_result += distance[positive];
+            positive = (positive + 1) % n;
+        }
+        
+        let mut negative = start;
+        let mut negative_result = 0;
+
+        while negative != destination {
+            negative = (negative + n - 1) % n;
+            negative_result += distance[negative]
+        }
+        
+        positive_result.min(negative_result)
+    }
+}
+
+// submission codes end
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_1184() {
+        assert_eq!(1, Solution::distance_between_bus_stops(vec![1,2,3,4], 0, 1));
+        assert_eq!(3, Solution::distance_between_bus_stops(vec![1,2,3,4],0, 2));
+        assert_eq!(4, Solution::distance_between_bus_stops(vec![1,2,3,4],0,3));
+    }
+}