diff --git a/problem/P1296/P1296.cpp b/problem/P1296/P1296.cpp
new file mode 100644
index 00000000..a86a2d53
--- /dev/null
+++ b/problem/P1296/P1296.cpp
@@ -0,0 +1,17 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int main() {
+    int n, d, p[100005], ans = 0;
+    cin >> n >> d;
+    for (int i = 0; i < n; i++) {
+        cin >> p[i];
+    }
+    sort(p, p + n);
+    for (int i = 0; i < n; i++) {
+        ans += (upper_bound(p + i, p + n, p[i] + d) - p) - i - 1;
+    }
+    cout << ans << endl;
+    return 0;
+}