complete 2083.rs 2530.rs 2721.rs 4128.rs 5584.rs 7512.rs 21519.rs 21964.rs 22862.rs 22973.rs 24123.rs 26993.rs 27514.rs 33849.rs

storage/zeta/rs/completed/27514.rs

@@ -0,0 +1,32 @@
+use std::{
+    cmp::Reverse,
+    collections::BinaryHeap,
+    io::{read_to_string, stdin},
+};
+
+fn main() {
+    let temp = read_to_string(stdin()).unwrap();
+    let mut iter = temp
+        .split_ascii_whitespace()
+        .map(|x| x.parse::<usize>().unwrap());
+
+    let n = iter.next().unwrap();
+    let arr = (0..n)
+        .map(|_| Reverse(iter.next().unwrap()))
+        .filter(|x| x.0 != 0)
+        .collect::<Vec<_>>();
+
+    let mut heap = BinaryHeap::from(arr);
+
+    while (heap.len() >= 2) {
+        let a = heap.pop().unwrap().0;
+        let b = heap.pop().unwrap().0;
+        if a != b {
+            heap.push(Reverse(a.max(b)));
+        } else {
+            heap.push(Reverse(a + b));
+        }
+    }
+    let res = heap.iter().max().unwrap().0;
+    println!("{}", res);
+}