c++不确定个数的字符串输入

Question

如何设置输入不确定个数的字符串？中间会用空格分开，输入结束按回车键

Answer 1

那给你个例子吧：

 #include <stdio.h>
#include <iostream>
#include <string.h>
#include <vector>
using namespace std;

vector<string> split(char* str,const char* c)
{
    char *p;
    vector<string> res;
    p = strtok(str,c);
    while(p!=NULL)
    {
        res.push_back(p);
        p = strtok(NULL,c);
    }
    return res;
}

int main() {
    char c;
    vector<char> chars;
    while((c=getchar()) != '\n'){
        chars.push_back(c); 
    }
    chars.push_back('\0');
    char *str = new char[chars.size()+1];
    strcpy(str, &(*chars.begin()));
    c=' ';
    vector<string> strs = split(str, &c);
    for (int i=0;i<strs.size();++i){
        cout << strs[i]<<endl;
    }
    delete str;
    return 0;
}

输入为：

a b asdf lkasj ;aslkdf asdf k

输出为：

a
b
asdf
lkasj
;aslkdf
asdf
k