mint: remove const from istream

atcoder-live · atcoder-live · commit d8a8e740414f · 2020-06-28T03:49:58.000+09:00
diff --git a/mint.cpp b/mint.cpp
@@ -33,5 +33,5 @@ struct mint {
   mint& operator/=(const mint a) { return *this *= a.inv();}
   mint operator/(const mint a) const { return mint(*this) /= a;}
 };
-istream& operator>>(istream& is, const mint& a) { return is >> a.x;}
+istream& operator>>(istream& is, mint& a) { return is >> a.x;}
 ostream& operator<<(ostream& os, const mint& a) { return os << a.x;}
