From 985d9d52b0438b906b618da460e1caf326136fda Mon Sep 17 00:00:00 2001
From: chayan das <dasshuvo817@gmail.com>
Date: Sat, 3 May 2025 14:02:17 +0530
Subject: [PATCH] Create 1007. Minimum Domino Rotations For Equal Row

---
 1007. Minimum Domino Rotations For Equal Row | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 1007. Minimum Domino Rotations For Equal Row

diff --git a/1007. Minimum Domino Rotations For Equal Row b/1007. Minimum Domino Rotations For Equal Row
new file mode 100644
index 0000000..b88844b
--- /dev/null
+++ b/1007. Minimum Domino Rotations For Equal Row	
@@ -0,0 +1,17 @@
+class Solution {
+public:
+    int minDominoRotations(vector<int>& tops, vector<int>& bottoms) {
+        int n = tops.size();
+        vector<int> top(7, 0), btm(7, 0), same(7, 0);
+        for (int i = 0; i < n; i++) {
+            top[tops[i]]++;
+            btm[bottoms[i]]++;
+            if (tops[i] == bottoms[i])
+                same[tops[i]]++;
+        }
+        for (int num = 1; num <= 6; num++)
+            if (top[num] + btm[num] - same[num] == n)
+                return min(n - top[num], n - btm[num]);
+        return -1;
+    }
+};