Create 3394. Check if Grid can be Cut into Sections

Author: Chayandas07

3394. Check if Grid can be Cut into Sections

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+class Solution {
+public:
+    bool checkValidCuts(int n, vector<vector<int>>& rectangles) {
+        int s = rectangles.size();
+        vector<vector<int>> ver, hor;
+
+        // Store vertical and horizontal segment ranges
+        for (auto i : rectangles) {
+            ver.push_back({i[0], i[2]});
+            hor.push_back({i[1], i[3]});
+        }
+
+        // Sort vertical segments
+        sort(ver.begin(), ver.end());
+        int cnt = 1, mx = ver[0][1];
+
+        // Check for vertical cuts
+        for (int i = 1; i < s; i++) {
+            if (ver[i][0] < mx) 
+                mx = max(mx, ver[i][1]);
+            else {
+                cnt++;
+                mx = ver[i][1];
+            }
+            if (cnt >= 3) return true;
+        }
+
+        // Sort horizontal segments
+        sort(hor.begin(), hor.end());
+        cnt = 1, mx = hor[0][1];
+
+        // Check for horizontal cuts
+        for (int i = 1; i < s; i++) {
+            if (hor[i][0] < mx) 
+                mx = max(mx, hor[i][1]);
+            else {
+                cnt++;
+                mx = hor[i][1];
+            }
+            if (cnt >= 3) return true;
+        }
+
+        return false;
+    }
+};