diff --git a/src/7/23/T637678.cpp b/src/7/23/T637678.cpp
index 78f999f..9c80e9c 100644
--- a/src/7/23/T637678.cpp
+++ b/src/7/23/T637678.cpp
@@ -1,9 +1,11 @@
 #include <bits/stdc++.h>
 #include <cstdint>
+#include <iostream>
+#include <istream>
 using namespace std;
 using ll = int64_t;
 
-vector<ll> sub(vector<int>& nums) {
+__attribute__((always_inline)) static inline vector<ll> sub(vector<int>& nums) {
     int n = nums.size();
     if (n == 0) {
         return {0};
@@ -23,6 +25,9 @@ vector<ll> sub(vector<int>& nums) {
 }
 
 int main() {
+    iostream::sync_with_stdio(false);
+    cin.tie(nullptr);
+    cout.tie(nullptr);
     int n, q;
     scanf("%d %d", &n, &q);
     vector<int> v(n);