Initial commit

Easy/pascals-triangle/solution.cpp

@@ -0,0 +1,23 @@
+class Solution {
+  public:
+    std::vector<int> getRow(int n) {
+        std::vector<int> prow = {1};
+
+        for (int i = 1, prev = 1; i < n + 1; ++i) {
+            int curr = (prev * (n - i + 1)) / i;
+            prow.push_back(curr);
+            prev = curr;
+        }
+
+        return prow;
+    }
+
+    std::vector<std::vector<int>> generate(int numRows) {
+        std::vector<std::vector<int>> rslt;
+
+        for (int i = 0; i < numRows; ++i)
+            rslt.push_back(getRow(i));
+
+        return rslt;
+    }
+};