20240330 Finished

src/problem/mod.rs

@@ -88,4 +88,5 @@ mod p518_coin_change_ii;
 mod p2642_design_graph_with_shortest_path_calculator;
 mod p2580_count_ways_to_group_overlapping_ranges;
 mod p1997_first_day_where_you_have_been_in_all_the_rooms;
-mod p2908_minimum_sum_of_mountain_triplets_i;
+mod p2908_minimum_sum_of_mountain_triplets_i;
+mod p2952_minimum_number_of_coins_to_be_added;

src/problem/p2952_minimum_number_of_coins_to_be_added.rs

@@ -0,0 +1,45 @@
+/**
+ * [2952] Minimum Number of Coins to be Added
+ */
+pub struct Solution {}
+
+// submission codes start here
+
+impl Solution {
+    pub fn minimum_added_coins(coins: Vec<i32>, target: i32) -> i32 {
+        let mut coins = coins;
+        coins.sort_unstable();
+
+        let mut result = 0;
+        let mut i = 0;
+        let mut x = 1;
+
+        while x <= target {
+            if i < coins.len() && coins[i] <= x {
+                x += coins[i];
+                i += 1;
+            } else {
+                x = x * 2;
+                result += 1;
+            }
+        }
+
+        result
+    }
+}
+
+// submission codes end
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_2952() {
+        assert_eq!(2, Solution::minimum_added_coins(vec![1, 4, 10], 19));
+        assert_eq!(
+            0,
+            Solution::minimum_added_coins(vec![1, 2, 4, 6, 7, 9, 9, 10], 48)
+        );
+    }
+}