字符串小技巧

31 char s[100];
32 
33 int main() {
34     strcpy(s, "123");
35     cout << atoi(s) << endl;    //atol同atoi
36 
37     strcpy(s, "12.3");
38     cout << atof(s) << endl;    //没有atolf
39     
40     strcpy(s, "12345678987654321");
41     cout << atoll(s) << endl;
42 
43     return 0;
44 }

 

posted @ 2017-05-29 22:12  Flowersea  阅读(163)  评论(0编辑  收藏  举报