20241013 finished.

src/problem/mod.rs

@@ -261,4 +261,5 @@ mod p1436_destination_city;
 mod p3171_find_subarray_with_bitwise_or_closest_to_k;
 mod p3162_find_the_number_of_good_pairs_i;
 mod p3164_find_the_number_of_good_pairs_ii;
-mod p3158_find_the_xor_of_numbers_which_appear_twice;
+mod p3158_find_the_xor_of_numbers_which_appear_twice;
+mod p1884_egg_drop_with_2_eggs_and_n_floors;

src/problem/p1884_egg_drop_with_2_eggs_and_n_floors.rs

@@ -0,0 +1,36 @@
+/**
+ * [1884] Egg Drop With 2 Eggs and N Floors
+ */
+pub struct Solution {}
+
+
+// submission codes start here
+
+impl Solution {
+    pub fn two_egg_drop(n: i32) -> i32 {
+        let n = n as usize;
+        let mut dp = vec![usize::MAX / 2; n + 1];
+        dp[0] = 0;
+
+        for i in 1..=n {
+            for j in 1..=i {
+                dp[i] = dp[i].min(j.max(dp[i - j] + 1))
+            }
+        }
+
+        dp[n] as i32
+    }
+}
+
+// submission codes end
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_1884() {
+        assert_eq!(2, Solution::two_egg_drop(2));
+        assert_eq!(14, Solution::two_egg_drop(100));
+    }
+}