// talkback.c -- 演示与用户交互
#include
#include // 提供strlen()函数的原型
#define DENSITY 62.4 // 人体密度（单位：磅/立方英尺）
int main()
{
float weight, volume;
int size, letters;
char name[40]; // name是一个可容纳40个字符的数组
printf("Hi! What's your first name?\n");
scanf("%s", name);
printf("%s, what's your weight in pounds?\n", name);
scanf("%f", &weight);
size = sizeof(name);
letters = strlen(name);
volume = weight / DENSITY;
printf("Well, %s, your volume is %2.2f cubic feet.\n",
name, volume);
printf("Also, your first name has %d letters,\n",
letters);
printf("and we have %d bytes to store it.\n", size);
return 0;
}
文件头部添加下面一行试试
#define _CRT_SECURE_NO_WARNINGS