标签:cst 字符串 code str1 ios 一个 ase main char
关于字符串的一些用法:
#include<iostream> #include<cstring> using namespace std; int main(){ /* char转string char s1[3]; cin>>s1; cout<<s1[2]<<endl; string s2 = s1; cout<<s2; */ string ss = "ABC"; char sa[100]; strcpy(sa, ss.c_str()); cout<<sa[2]<<endl;//string转char string s1, s2, s3, s4; s1 = ss.substr(1, 1); s2 = ss.insert(1, "EF"); s3 = ss.erase(2, 1); s4 = ss.replace(1, 1, "MN"); cout<<s1<<" "<<s2<<" "<<s3<<" "<<s4<<endl; int p1, p2, p3; p1 = ss.find(‘C‘); p2 = ss.rfind(‘C‘); //最后一个关键字出现位置 p3 = ss.find_first_of("AC");//任何一个首次在str1中出现的位置 cout<<p1<<" "<<p2<<" "<<p3<<endl; return 0; }
标签:cst 字符串 code str1 ios 一个 ase main char
原文地址:http://www.cnblogs.com/fangziyuan/p/7188312.html