?? chapter5-3.cpp
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//文件名:CHAPTER5-3.cpp
#include <iostream>
#include <vector>
using namespace std;
void print (vector < double >& vector_)
{ for (int i = 0; i < vector_.size (); i++) cout << vector_[i] << " ";
cout << endl;
}
int main ()
{ vector < double > v1; // 定義了一空的類型為double的vector向量.
v1.push_back (32.1); //插入值到向量中
v1.push_back (40.5);
vector< double > v2; // 定義另外一個(gè)向量
v2.push_back (3.56);
cout << "v1 = ";
print (v1);
cout << "v2 = ";
print (v2);
v1.swap (v2); // 兩個(gè)向量的內(nèi)容進(jìn)行交換
cout << "v1 = ";
print (v1);
cout << "v2 = ";
print (v2);
v2 = v1; //把v1中的元素賦值給v2
cout << "v2 = ";
print (v2);
return 0;
}
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