From eb5fe51644edcd6a7dc6c4fcc87b848ac6798a10 Mon Sep 17 00:00:00 2001
From: ShazidMahsrafi <shazid456@gmail.com>
Date: Sat, 8 Jul 2023 02:07:54 +0600
Subject: [PATCH] initial commit

---
 1624B.cpp | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 1624B.cpp

diff --git a/1624B.cpp b/1624B.cpp
new file mode 100644
index 0000000..787208e
--- /dev/null
+++ b/1624B.cpp
@@ -0,0 +1,26 @@
+#include<bits/stdc++.h>
+using namespace std;
+using ll = long long;
+
+
+void solve()
+{
+    int n,x;
+    cin>>n>>x;
+    n=n-2;
+    int f;
+    if(n%x==0) f=n/x+1;
+    else f=n/x+2;
+    cout<<f<<endl;
+}
+
+int main()
+{
+    ios_base::sync_with_stdio(false);
+    cin.tie(nullptr);
+
+    int TC = 1;
+    cin >> TC;
+    cin.ignore();
+    while (TC--) solve();
+}
\ No newline at end of file