From 6be8c7d8461f245c6b595691354055864627089f Mon Sep 17 00:00:00 2001
From: Trung Nguyen <ngthanhtrung23@gmail.com>
Date: Sun, 15 Oct 2023 09:43:20 +0800
Subject: [PATCH] modint: fix compile warnings

---
 Math/modint.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Math/modint.h b/Math/modint.h
index 20b2034..fbcf2cb 100644
--- a/Math/modint.h
+++ b/Math/modint.h
@@ -45,13 +45,13 @@ template<int MD> struct ModInt {
     constexpr bool operator == (const ModInt& a) const { return x == a.x; }
     constexpr bool operator != (const ModInt& a) const { return x != a.x; }
 
-    friend std::istream& operator >> (std::istream& is, ModInt& x) {
+    friend std::istream& operator >> (std::istream& is, ModInt& other) {
         ll val; is >> val;
-        x = ModInt(val);
+        other = ModInt(val);
         return is;
     }
-    constexpr friend std::ostream& operator << (std::ostream& os, const ModInt& x) {
-        return os << x.x;
+    constexpr friend std::ostream& operator << (std::ostream& os, const ModInt& other) {
+        return os << other.x;
     }
 
     constexpr ModInt pow(ll k) const {