From 2f0224643b08344bbdc61cfd149620d6634442db Mon Sep 17 00:00:00 2001
From: Muhammad Nauman Raza <devraza.hazard643@slmail.me>
Date: Sun, 9 Feb 2025 22:00:21 +0000
Subject: [PATCH] feat: support negative values

---
 expansion/src/main.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/expansion/src/main.rs b/expansion/src/main.rs
index 6a745c8..23123e5 100644
--- a/expansion/src/main.rs
+++ b/expansion/src/main.rs
@@ -2,7 +2,7 @@ use std::io;
 
 const EXPONENTS: &str = "⁰¹²³⁴⁵⁶⁷⁸⁹";
 
-fn choose(n: u64, r: u64) -> u64 {
+fn choose(n: i64, r: i64) -> i64 {
     if r > n-r {
         return choose(n, n-r);
     }
@@ -52,7 +52,7 @@ fn main() {
             pow_a -= 1;
         }
 
-        expansion.push(format!("{} {}", choose(k as u64, i as u64) * (a.pow(pow_a) * b.pow(pow_b)) as u64, end));
+        expansion.push(format!("{} {}", choose(k as i64, i as i64) * (a.pow(pow_a) * b.pow(pow_b)) as i64, end));
 
         pow_b += 1;
     }