diff --git "a/leetcode3/\354\240\225\354\247\204\354\230\201/4056. Number of Intersecting Interval Pairs I" "b/leetcode3/\354\240\225\354\247\204\354\230\201/4056. Number of Intersecting Interval Pairs I"
new file mode 100644
index 00000000..6b327100
--- /dev/null
+++ "b/leetcode3/\354\240\225\354\247\204\354\230\201/4056. Number of Intersecting Interval Pairs I"	
@@ -0,0 +1,17 @@
+/**
+ * @param {number[][]} intervals
+ * @return {number}
+ */
+var countIntersectingIntervals = function(intervals) {
+    let count = 0;
+
+    for (let i = 0; i < intervals.length; i++){
+      for (let j = i+1; j<intervals.length; j++){
+        if (intervals[i][0] <= intervals[j][1] && intervals[j][0] <= intervals[i][1]){
+            count++;
+        }
+      }
+    }
+    return count;
+};
+