Solve C in code-festival-2015-qualb

Author: k-yomo

atcoder/rust/code-festival-2015-qualb/src/bin/c.rs

@@ -14,6 +14,23 @@ use superslice::*;
 
 fn main() {
     input! {
+        n: usize, m: usize,
+        mut a: [usize; n],
+        mut b: [usize; m],
+    }
+
+    a.sort();
+    b.sort();
 
+    if n < m {
+        return println!("NO");
     }
+
+    for (i, &people_num) in b.iter().rev().enumerate() {
+        if a[n-1-i] < people_num {
+            return println!("NO");
+        }
+    }
+
+    println!("YES");
 }