improve cpp tempalte

templates/template.cpp

@@ -1,17 +1,24 @@
 #include <iostream>
 #include <algorithm>
 #include <vector>
+#include <queue>
 
 #define let auto
 #define fn auto
-#define usize size_t
 using namespace std;
 
+typedef size_t usize;
+typedef ssize_t isize;
+typedef int32_t i32;
+typedef u_int32_t u32;
+typedef int64_t i64;
+typedef u_int64_t u64;
+
 fn fastio() {
     ios::sync_with_stdio(false);
     cin.tie(nullptr);
 }
 
 fn main() -> int {
-
+    fastio();
 }