2016.5.21——atoi()函数的测试

 1 #include "stdafx.h"
 2 #include "iostream"
 3 #include "vector"
 4 //#include <stdlib.h> 
 5 using namespace std;
 6 
 7 int _tmain(int argc, _TCHAR* argv[])
 8 {
 9     char str[] = { "12" };    //这里不能定义成string型，出错：error C2664: “int atoi(const char *)”: 无法将参数 1 从“std::string [1]”转换为“const char *”
10     int m = 0;
11     m = atoi(str)*3;
12     //n = m * 2;
13     cout << m << endl;
14     system("pause");
15     return 0;
16 }