solutions: 466A

solutions/rust/src/bin/466A.rs

@@ -0,0 +1,30 @@
+use std::io;
+
+fn main() {
+    let mut s = String::new();
+    io::stdin().read_line(&mut s).unwrap();
+
+    let inp = s.trim().split_whitespace().map(|i| i.parse::<f64>().unwrap()).collect::<Vec<f64>>();
+    
+    let n = inp[0];
+    let m = inp[1];
+    let a = inp[2];
+    let b = inp[3];
+
+    let mut price: f64;
+
+    if b > a {
+        price = b * (n/m).floor() + a * (n%m); 
+        if m > n && n*a > b {
+            price = b;
+        } else if n*a < b && n*a < price {
+            price = a;
+        } else if n*a < price {
+            price = n*a;
+        }
+    } else {
+        price = b * (n/m).ceil(); 
+    }
+
+    println!("{}", price);
+}