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-rw-r--r--find-smallest-letter-greater-than-target/Cargo.toml8
-rw-r--r--find-smallest-letter-greater-than-target/src/main.rs17
2 files changed, 25 insertions, 0 deletions
diff --git a/find-smallest-letter-greater-than-target/Cargo.toml b/find-smallest-letter-greater-than-target/Cargo.toml
new file mode 100644
index 0000000..f5086d4
--- /dev/null
+++ b/find-smallest-letter-greater-than-target/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "find-smallest-letter-greater-than-target"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/find-smallest-letter-greater-than-target/src/main.rs b/find-smallest-letter-greater-than-target/src/main.rs
new file mode 100644
index 0000000..aa9944c
--- /dev/null
+++ b/find-smallest-letter-greater-than-target/src/main.rs
@@ -0,0 +1,17 @@
+fn main() {
+ println!("Hello, world!");
+}
+
+pub fn next_greatest_letter(letters: Vec<char>, target: char) -> char {
+ let mut smallest: char = '~';
+ let first = letters[0];
+
+ for c in letters {
+ if c > target && c < smallest {smallest = c;}
+ }
+ if smallest == '~' {
+ return first;
+ }
+
+ return smallest;
+}