27 lines
753 B
C
27 lines
753 B
C
/* talkback.c - 演示与用户交互 */
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#include <stdio.h>
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#include <string.h> // rkwastrlen()函数的原型
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#define DENSITY 62.4 // 人体密码（单位：磅/立方英尺）
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int main(void)
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{
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float weight, volume;
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int size, letters;
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char name[40]; // name是一个可容纳40个字符的数组
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printf("Hi! What's your name?\n");
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scanf("%s", name);
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printf("%s, what's your weight in pounds?\n", name);
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scanf("%f", &weight);
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size = sizeof(name);
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letters = strlen(name);
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volume = weight / DENSITY;
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printf("Well, %s, your volume is %2.2f cubic feet.\n", name, volume);
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printf("Also, your name has %d letters,\n", letters);
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printf("and we have %d bytes to store if.\n", size);
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return 0;
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} |