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--- cpp:stl:vector [2020/05/27 16:24] – gthanos
+++ cpp:stl:vector [2020/05/27 16:30] – [Ένθεση στον πίνακα] gthanos
@@ Line 16: / Line 16: @@
 <code cpp vector_insert.cpp>
+#include <vector>
+#include <list>
+#include <iostream>
+using namespace std;
+template<typename T>
+void print(vector<T> v) {
+  for(auto it = v.cbegin(); it!=v.cend(); it++)
+    cout << setw(4) << *it;
+  cout << endl;
+}
+template<typename T>
+void print_r(vector<T> v) {
+  for(auto it = v.crbegin(); it!=v.crend(); it++)
+    cout << setw(4) << *it;
+  cout << endl;
+}
+int main() {
+  vector<int> ints;                  // initially zero size
+  for(int i=0; i<10; i++) {
+    ints.push_back(i+1);             // insert to the end - very fast
+    ints.insert(ints.begin(),i+1);   // insert to the beginning - extremely slow
+  }
+  print(ints);
+}
 </code>