会python真的可以为所欲为0(回)
359天前
这里还有人吗1(回)
544天前这里还有人吗0(回)
544天前
每天面对着电脑屏幕，敲打键盘。我所面对的并不只是代码，而是一种生活方式。0(回)
769天前到处都是羊，不想上班0(回)
849天前
鸽子
0(回)
853天前//使用向量::插入函数来插入元素集的位置 |
#include <vector> |
#include <iostream> |
int main() { |
using namespace std; |
// Instantiate a vector with 4 elements, each initialized to 90 |
vector<int> vecIntegers(4, 90); |
cout << "The initial contents of the vector are: "; |
vector<int>::iterator iElement; |
for (iElement = vecIntegers.begin() |
; iElement != vecIntegers.end(); ++iElement) { |
cout << *iElement << ' '; |
} |
cout << endl; |
// Insert 25 at the beginning |
vecIntegers.insert(vecIntegers.begin(), 25); |
cout << "The vector after inserting an element at the beginning: "; |
for (iElement = vecIntegers.begin() |
; iElement != vecIntegers.end(); ++iElement) { |
cout << *iElement << ' '; |
} |
cout << endl; |
// Insert 2 numbers of value 45 at the end |
vecIntegers.insert(vecIntegers.end(), 2, 45); |
cout << "The vector after inserting two elements at the end: "; |
for (iElement = vecIntegers.begin() |
; iElement != vecIntegers.end(); ++iElement) { |
cout << *iElement << ' '; |
} |
cout << endl; |
// Another vector containing 2 elements of value 30 |
vector<int> vecAnother(2, 30); |
// Insert two elements from another container in position [1] |
vecIntegers.insert(vecIntegers.begin() + 1, vecAnother.begin(), |
vecAnother.end()); |
cout << "The vector after inserting contents from another "; |
cout << "in the middle:" << endl; |
for (iElement = vecIntegers.begin() |
; iElement != vecIntegers.end(); ++iElement) { |
cout << *iElement << ' '; |
} |
return 0; |
} |
