diff --git a/AcWing/616/616.cpp b/AcWing/616/616.cpp
new file mode 100644
index 00000000..562a0870
--- /dev/null
+++ b/AcWing/616/616.cpp
@@ -0,0 +1,10 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int main() {
+    double x1, y1, x2, y2;
+    cin >> x1 >> y1 >> x2 >> y2;
+    cout << fixed << setprecision(4) <<  sqrt(pow(x2 - x1, 2) + pow(y2 - y1, 2)) << endl;
+    return 0;
+}