From 8db736097265d8ea4e430f00a9e9fba94391c215 Mon Sep 17 00:00:00 2001
From: jackfiled <xcrenchangjun@outlook.com>
Date: Tue, 6 May 2025 13:23:00 +0800
Subject: [PATCH] 20250506 finished.

---
 src/problem/mod.rs                            |  2 ++
 .../p1920_build_array_from_permutation.rs     | 31 +++++++++++++++++++
 2 files changed, 33 insertions(+)
 create mode 100644 src/problem/p1920_build_array_from_permutation.rs

diff --git a/src/problem/mod.rs b/src/problem/mod.rs
index a74456e..9403c71 100644
--- a/src/problem/mod.rs
+++ b/src/problem/mod.rs
@@ -636,3 +636,5 @@ mod p1007_minimum_domino_rotations_for_equal_row;
 mod p1128_number_of_equivalent_domino_pairs;
 
 mod p790_domino_and_tromino_tiling;
+
+mod p1920_build_array_from_permutation;
diff --git a/src/problem/p1920_build_array_from_permutation.rs b/src/problem/p1920_build_array_from_permutation.rs
new file mode 100644
index 0000000..8032ec0
--- /dev/null
+++ b/src/problem/p1920_build_array_from_permutation.rs
@@ -0,0 +1,31 @@
+/**
+ * [1920] Build Array from Permutation
+ */
+pub struct Solution {}
+
+// submission codes start here
+
+impl Solution {
+    pub fn build_array(nums: Vec<i32>) -> Vec<i32> {
+        nums.iter().map(|x| nums[*x as usize]).collect()
+    }
+}
+
+// submission codes end
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_1920() {
+        assert_eq!(
+            vec![0, 1, 2, 4, 5, 3],
+            Solution::build_array(vec![0, 2, 1, 5, 3, 4])
+        );
+        assert_eq!(
+            vec![4, 5, 0, 1, 2, 3],
+            Solution::build_array(vec![5, 0, 1, 2, 3, 4])
+        );
+    }
+}