Initial commit

Medium/equal-row-and-column-pairs/solution.cpp

@@ -0,0 +1,25 @@
+#include <vector>
+
+class Solution {
+public:
+    int equalPairs(std::vector<std::vector<int>> &grid) {
+        int count = 0;
+        for (int i = 0; i < grid.size(); ++i) {
+            for (int j = 0; j < grid.size(); ++j) {
+                bool match = true;
+                for (int k = 0; k < grid.size(); ++k) {
+                    if (grid[i][k] != grid[k][j]) {
+                        match = false;
+                        break;
+                    }
+                }
+
+                if (match) {
+                    ++count;
+                }
+            }
+        }
+
+        return count;
+    }
+};