第二次程序设计上机报告

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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