feat: 118_pascals_triangle

118_pascals_triangle/main.cpp

@@ -0,0 +1,23 @@
+#include <bits/stdc++.h>
+using namespace std;
+
+class Solution {
+   public:
+    vector<vector<int>> generate(int numRows) {
+        vector<vector<int>> result{{1}};
+        for (int i = 1; i < numRows; i++) {
+            auto lastRow = result[i - 1];
+
+            vector<int> currentRow(i + 1, 0);
+            currentRow[0] = 1;
+            currentRow[i] = 1;
+
+            for (int j = 1; j < i; j++) {
+                currentRow[j] = lastRow[j - 1] + lastRow[j];
+            }
+
+            result.emplace_back(currentRow);
+        }
+        return result;
+    }
+};