From 3df2a85ddc93d38b4904bedcaeb04d95b1128301 Mon Sep 17 00:00:00 2001
From: Barrett Ruth <br.barrettruth@gmail.com>
Date: Thu, 4 Dec 2025 20:06:48 -0500
Subject: [PATCH] misc improvements

---
 codeforces/531/1102a.cc         | 12 +++++-------
 codeforces/531/io/1102a.4.cpin  |  1 +
 codeforces/531/io/1102a.4.cpout |  1 +
 3 files changed, 7 insertions(+), 7 deletions(-)
 create mode 100644 codeforces/531/io/1102a.4.cpin
 create mode 100644 codeforces/531/io/1102a.4.cpout

diff --git a/codeforces/531/1102a.cc b/codeforces/531/1102a.cc
index 1d4b071..5538547 100644
--- a/codeforces/531/1102a.cc
+++ b/codeforces/531/1102a.cc
@@ -1,4 +1,4 @@
-#include <bits/stdc++.h>  // {{{
+#include <bits/stdc++.h> // {{{
 
 #include <version>
 #ifdef __cpp_lib_ranges_enumerate
@@ -22,11 +22,9 @@ using f64 = double;
 using f128 = long double;
 
 #if __cplusplus >= 202002L
-template <typename T>
-constexpr T MIN = std::numeric_limits<T>::min();
+template <typename T> constexpr T MIN = std::numeric_limits<T>::min();
 
-template <typename T>
-constexpr T MAX = std::numeric_limits<T>::max();
+template <typename T> constexpr T MAX = std::numeric_limits<T>::max();
 #endif
 
 #ifdef LOCAL
@@ -41,10 +39,10 @@ constexpr T MAX = std::numeric_limits<T>::max();
 void solve() {
   u32 n;
   cin >> n;
-  println("{}", n == 3 ? 0 : 1);
+  println("{}", u32((n % 4 % 3) > 0));
 }
 
-int main() {  // {{{
+int main() { // {{{
   std::cin.exceptions(std::cin.failbit);
 #ifdef LOCAL
   std::cerr.rdbuf(std::cout.rdbuf());
diff --git a/codeforces/531/io/1102a.4.cpin b/codeforces/531/io/1102a.4.cpin
new file mode 100644
index 0000000..b8626c4
--- /dev/null
+++ b/codeforces/531/io/1102a.4.cpin
@@ -0,0 +1 @@
+4
diff --git a/codeforces/531/io/1102a.4.cpout b/codeforces/531/io/1102a.4.cpout
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/codeforces/531/io/1102a.4.cpout
@@ -0,0 +1 @@
+0