第二次程序设计上机报告

代码

//**************************************
//对 d=100,200，...1000
//显示美元和人民币的汇率
//code by  黄磊 120705102 2013.3.15
//**************************************

#include<stdio.h>
int main()
{
	int d,rmb;
	int lower,upper,step;

	lower=100;       /* 美元的下限 */
	upper=1000;      /* 美元的上限 */
	step =100;       /* 步长 */
	d=lower;

	printf("黄磊，120705102\n","");
	while(d<=upper)
	{
		rmb=6.21*d;
		printf("%d  %d\n",d,rmb);
        d=d+step;
	}
	return 0;
}

 

运行结果1

 

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代码2

#include <stdio.h>
int main()
{
	int f;       //摄氏温度与华氏温度
	int c;       //摄氏温度

	int lower = 0;   //温度表的下限
	int upper = 300; //温度表的上限
	int step  = 20;  //步长
	f = lower;

	printf("黄磊,1207051032\n", "");
	while (f <= upper)
	{
		//********************
		//摄氏与华氏温度转换公式
		//C = (5/9) (F-32)
		//********************
		c =(5.0/9.0)*(f-32.0);
		printf("%d\t%d\n",f,c);
		f = f + step;
	}
	return 0 ;
}

 

运行结果2

 

 修改后

#include <stdio.h>
int main()
{
	float f;       //摄氏温度与华氏温度
	float c;       //摄氏温度

	float lower = 0;   //温度表的下限
	float upper = 300; //温度表的上限
	float step  = 20;  //步长
	f = lower;

	printf("黄磊,1207051032\n", "");
	while (f <= upper)
	{
		//********************
		//摄氏与华氏温度转换公式
		//C = (5/9) (F-32)
		//********************
		c =(5.0/9.0)*(f-32.0);
		printf("%f\t%f\n",f,c);
		f = f + step;
	}
	return 0 ;
}

 

运行结果