feat: resolved

Author: jtr109

Cargo.lock

@@ -31,4 +31,5 @@ members = [
     "find_and_replace_pattern",
     "to_lower_case",
     "evaluate_reverse_polish_notation",
+    "partitioning_into_minimum_number_of_deci_binary_numbers",
 ]

Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "partitioning_into_minimum_number_of_deci_binary_numbers"
+version = "0.1.0"
+authors = ["Ryan Li <conbas2019@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

partitioning_into_minimum_number_of_deci_binary_numbers/Cargo.toml

@@ -0,0 +1,31 @@
+pub struct Solution {}
+
+impl Solution {
+    pub fn min_partitions(n: String) -> i32 {
+        n.chars().max().unwrap() as i32 - '0' as i32
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    fn it_works(n: &str, expected: i32) {
+        assert_eq!(Solution::min_partitions(n.to_string()), expected);
+    }
+
+    #[test]
+    fn example_1() {
+        it_works("32", 3);
+    }
+
+    #[test]
+    fn example_2() {
+        it_works("82734", 8);
+    }
+
+    #[test]
+    fn example_3() {
+        it_works("27346209830709182346", 9);
+    }
+}