diff --git a/266/a.cpp b/266/a.cpp
index a61876a..f08f3ad 100644
--- a/266/a.cpp
+++ b/266/a.cpp
@@ -35,7 +35,6 @@ void solve() {
 #ifndef TEST
 
 int main(void) {
-
 #ifdef SINGLE
 
   solve();
diff --git a/546/a.cpp b/546/a.cpp
index 59530f2..d684a03 100644
--- a/546/a.cpp
+++ b/546/a.cpp
@@ -5,11 +5,9 @@ namespace {
 using namespace std;
 
 long pow(long base, long exp) {
-  if (exp == 0)
-    return 1;
+  if (exp == 0) return 1;
   long half = pow(base, exp / 2);
-  if (exp % 2 == 0)
-    return half * half;
+  if (exp % 2 == 0) return half * half;
   return half * half * base;
 }
 
@@ -34,7 +32,6 @@ void solve() {
 #ifndef TEST
 
 int main(void) {
-
 #ifdef SINGLE
 
   solve();
diff --git a/791/a.cpp b/791/a.cpp
index a5e3cda..a98ac9d 100644
--- a/791/a.cpp
+++ b/791/a.cpp
@@ -5,11 +5,9 @@ namespace {
 using namespace std;
 
 long pow(long base, long exp) {
-  if (exp == 0)
-    return 1;
+  if (exp == 0) return 1;
   long half = pow(base, exp / 2);
-  if (exp % 2 == 0)
-    return half * half;
+  if (exp % 2 == 0) return half * half;
   return half * half * base;
 }
 
@@ -40,7 +38,7 @@ void solve() {
   cout << find_k(a, b) << "\n";
 }
 
-} // namespace
+}  // namespace
 
 // for single test case, comment out for ‹N› test cases
 #define SINGLE
@@ -48,7 +46,6 @@ void solve() {
 #ifndef TEST
 
 int main(void) {
-
 #ifdef SINGLE
 
   solve();