initial commit

1426A Floor Number/1426A.cpp

@@ -0,0 +1,33 @@
+#include <bits/stdc++.h>
+using namespace std;
+using ll = long long;
+
+void solve()
+{
+    int n, x;
+    cin >> n >> x;
+    if (n < 3)
+        cout << "1" << endl;
+    else
+    {
+        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();
+}