Merge pull request #10 from AfnanCSE98/patch-1

Add two missing cases in delMin BinomialHeaps.cpp

Author: Bibeknam

data-structures/binomial-heaps/BinomialHeaps.cpp

@@ -376,6 +376,10 @@ class BinomialHeap {
 			prevMin->sibling = minPtr->sibling;
 		} else if (prevMin != nullptr && minPtr->sibling == nullptr) {
 			prevMin->sibling = nullptr;
+		}else if(prevMin == nullptr and minPtr->sibling != nullptr) {
+		        head = minPtr->sibling;
+		}else if(prevMin == nullptr and minPtr->sibling == nullptr) {
+		        head = nullptr;
 		}
 
 		// remove parent reference from all its child
@@ -427,4 +431,4 @@ int main() {
 	heap1.deleteMin();
 	heap1.printHeap();
 	return 0;
-}
+}