Pascal's triangle: Difference between revisions

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@@ Line 130: / Line 130: @@
 Note: Unlike most Basic implementations, FreeBASIC requires that all variables have been declared before use
 (but this can be changed with compiler options).
+=={{header|C++}}==
+<cpp>#include <iostream>
+void genPyrN(int rows) {
+  if (rows < 0) return;
+  // save the last row here
+  int *last = new int[1];
+  last[0] = 1;
+  std::cout << last[0] << std::endl;
+  for (int i = 1; i <= rows; i++) {
+    // work on the next row
+    int *thisRow = new int[i+1];
+    thisRow[0] = last[0]; // beginning of row
+    for (int j = 1; j < i; j++) // middle of row
+      //sum from the last row
+      thisRow[j] = last[j-1] + last[j];
+    thisRow[i] = last[i-1]; // end of row
+    delete [] last;
+    last = thisRow;
+    for (int j = 0; j <= i; j++)
+      std::cout << thisRow[j] << " ";
+    std::cout << std::endl;
+  }
+  delete [] last;
+}</cpp>
 =={{header|Clojure}}==