update vector

zing-dev · zing-dev · commit feab99ce272d · 2020-06-14T22:10:10.000+08:00
diff --git a/template/vector/CMakeLists.txt b/template/vector/CMakeLists.txt
@@ -1,3 +1,4 @@
 add_executable(vector1 vector1.cpp)
 add_executable(vector2 vector2.cpp)
-add_executable(vector3 vector3.cpp)
+add_executable(vector3 vector3.cpp)
+add_executable(vector4 vector4.cpp)
diff --git a/template/vector/vector4.cpp b/template/vector/vector4.cpp
@@ -0,0 +1,39 @@
+//
+// Created by zing on 6/14/2020.
+//
+
+
+#include <vector>
+#include <iostream>
+
+using namespace std;
+
+void printVector(vector<int> &v) {
+
+    for (vector<int>::iterator it = v.begin(); it != v.end(); it++) {
+        cout << *it << " ";
+    }
+    cout << endl;
+}
+
+void test01() {
+    vector<int> v1; //无参构造
+    for (int i = 0; i < 10; i++) {
+        v1.push_back(i);
+    }
+    printVector(v1);
+
+    vector<int> v2(v1.begin(), v1.end());
+    printVector(v2);
+
+    vector<int> v3(10, 100);
+    printVector(v3);
+
+    vector<int> v4(v3);
+    printVector(v4);
+}
+
+int main() {
+    test01();
+    return 0;
+}
