From cd051d35fbcb47aca082ab8ed65618f899e948c8 Mon Sep 17 00:00:00 2001
From: "Sina M. Omrani" <sina.omrani@hotmail.com>
Date: Sat, 12 Aug 2023 18:02:51 +0330
Subject: [PATCH] two digits no zero in idiomatic rust

---
 .../solve-(idiomatic_rust)-huzwares.rs               | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 math/111-999-two-digits-no-zero/solve-(idiomatic_rust)-huzwares.rs

diff --git a/math/111-999-two-digits-no-zero/solve-(idiomatic_rust)-huzwares.rs b/math/111-999-two-digits-no-zero/solve-(idiomatic_rust)-huzwares.rs
new file mode 100644
index 0000000..e4a2465
--- /dev/null
+++ b/math/111-999-two-digits-no-zero/solve-(idiomatic_rust)-huzwares.rs
@@ -0,0 +1,12 @@
+use std::collections::HashSet;
+
+fn main() {
+    // Idiomatic Rust
+    let counter = (100..1000)
+        .filter(|&n| {
+            let n = n.to_string().chars().collect::<HashSet<char>>();
+            !n.contains(&'0') && n.len() == 2
+        })
+        .count();
+    println!("{counter}");
+}