add unsolved

storage/zeta/rs/20555.rs

@@ -0,0 +1,17 @@
+use std::io::stdin;
+
+fn main() {
+    let mut line = String::new();
+    stdin().read_line(&mut line).unwrap();
+    let n = line.trim().parse::<usize>().unwrap();
+
+    let words = (0..n)
+        .map(|_| {
+            line.clear();
+            stdin().read_line(&mut line).unwrap();
+            line.trim().chars().collect()
+        })
+        .collect::<Vec<Vec<_>>>();
+
+    
+}