diff --git a/src/7/20/T371062.cpp b/src/7/20/T371062.cpp
new file mode 100644
index 0000000..294989d
--- /dev/null
+++ b/src/7/20/T371062.cpp
@@ -0,0 +1,3 @@
+int main(){
+    
+}
\ No newline at end of file
diff --git a/src/7/20/T635780.cpp b/src/7/20/T635780.cpp
index 156159a..79d225a 100644
--- a/src/7/20/T635780.cpp
+++ b/src/7/20/T635780.cpp
@@ -6,7 +6,7 @@ using ll = long long;
 ll n,k,ans{};
 std::vector<ll> a,s;
 std::multiset<ll> se;
-#define NV(v)do{printf("%s",#v);printf(" : %lld\n",(v));}while(0)
+#define NV(v)do{printf("%s",#v);printf(" : %lld\n",(v));}while(false)
 
 void addAns(ll n){
     se.insert(n);