Update backtracking/subarray_sum.cpp

Swastyy · Panquesito7 · web-flow · commit 8318cc3e9238 · 2021-07-10T13:05:15.000+05:30
Co-authored-by: David Leal &lt;halfpacho@gmail.com&gt;
diff --git a/backtracking/subarray_sum.cpp b/backtracking/subarray_sum.cpp
@@ -13,7 +13,7 @@
  */
 
 #include <cassert>        /// for assert
-#include <iostream>       /// for io operations
+#include <iostream>       /// for IO operations
 #include <unordered_map>  /// for unordered_map
 #include <vector>         /// for std::vector
 
