Data commit

Task/Nth/Rust/nth.rust

@@ -0,0 +1,20 @@
+fn nth(num: isize) -> String {
+    format!("{}{}", num, match (num % 10, num % 100) {
+        (1, 11) | (2, 12) | (3, 13) => "th",
+        (1, _) => "st",
+        (2, _) => "nd",
+        (3, _) => "rd",
+        _ => "th",
+    })
+}
+
+fn main() {
+    let ranges = [(0, 26), (250, 266), (1000, 1026)];
+    for &(s, e) in &ranges {
+        println!("[{}, {}) :", s, e);
+        for i in s..e {
+            print!("{}, ", nth(i));
+        }
+        println!();
+    }
+}