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《C程序设计语言(The C Programming Language)》学习笔记 1.3

本节针对上一节的温度对照程式,给出了for循环替代while循环的写法。最后的总结是:

for语句比较适合初始化和增加步长都是单条语句并且逻辑相关的情形,因为它将循环控制语句集中放在
一起,且比while语句更紧凑

练习1-5

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#include <stdio.h>
 
main()
{
    int fahr;
 
    for (fahr = 300; fahr >= 0; fahr = fahr - 20)
	printf("%3d %6.1f\n",fahr, (5.0/9.0)*(fahr-32));
 
}

执行结果如下:

300  148.9
280  137.8
260  126.7
240  115.6
220  104.4
200   93.3
180   82.2
160   71.1
140   60.0
120   48.9
100   37.8
 80   26.7
 60   15.6
 40    4.4
 20   -6.7
  0  -17.8

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