update 2502.rs

storage/zeta/rs/completed/2502.rs

@@ -0,0 +1,31 @@
+use std::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 d = iter.next().unwrap();
+    let k = iter.next().unwrap();
+
+    let mut bcoef: (usize, usize) = (1, 0);
+    let mut coef: (usize, usize) = (0, 1);
+
+    for _ in 0..d - 2 {
+        let temp = coef;
+        coef = (coef.0 + bcoef.0, coef.1 + bcoef.1);
+        bcoef = temp;
+    }
+    let mut res = (0, 0);
+    'L1: for i in 1..k / coef.0 {
+        for j in i..k / coef.1 {
+            if coef.0 * i + coef.1 * j == k {
+                res = (i, j);
+                break 'L1;
+            }
+        }
+    }
+
+    println!("{}\n{}", res.0, res.1);
+}