摘要： 4.12-13 #include<iostream>#include<vector>#include<array>using namespace std;int main(){ cout<<"Entre a positive integer："; unsigned int num; cin>>num 阅读全文

摘要： 如何使用不同形式的字符串 #include<iostream>#include<cstring>using namespace std;int main(){ char animal[20]="bear"; const char* bird="wren"; char* ps; cout<<anima 阅读全文