c语言程序设计实验指导部分源代码

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1、C语言程序设计部分实验参考答案实验22-1-2#includeintmain(){intc,f=150;c=f*5/9-32*5/9;printf("fahr=%d,celsius=%d",f,c);return0;}思考：不一样结果变为65因为取整过程不同造成误差2-1-3#includeintmain(){intc=26,f;f=c*9/5+32;printf("celsius=%d,fahr=%d",c,f);return0;}#includeintmain(

2、){//2-1-4intmath=87,eng=72,comp=93;printf("math=%d,eng=%d,comp=%d,average=%d",math,eng,comp,(math+eng+comp)/3);return0;}#includeintmain(){//2-1/5intn=152,a,b,c;c=n%10;b=(n/10)%10;a=n/100;printf("整数%d的个位数字是%d,十位数字是%d,百位数字是%d",n,c,b,a);return0;}#include

3、tdio.h>intmain(){//2-1-6intx=3,y;y=x*x;printf("%d=%d*%d",y,x,x);printf("%d*%d=%d",x,x,y);return0;}#includeintmain(){//2-2-1doublex,y;printf("Enterx:");scanf_s("%lf",&x);if(x!=0){y=1/x;}else{y=0;}printf("f(%.2f)=%.1f",x,y);return0;}#includeint

4、main(){//2-2-2intcelsius,fahr;fahr=100;celsius=5*(fahr-32)/9;printf("fahr=%d,celsius=%d",fahr,celsius);return0;}#includeintmain(){//2-2-3doublemoney,rate,x=1.0;inti,year;printf("Entermoney,yearandrate:");scanf("%lf%d%lf",&money,&year,&rate);for(i=1;i<=yea

5、r;i++)x=x*(1+rate);printf("intrest=%.2f",money*x-money);return0;}#include#includeintmain(){//2-2-4doublex,y;printf("Enterx");scanf_s("%lf",&x);if(x<0.0)y=pow(x+1,2)+2*x+1/x;elsey=sqrt(x);printf("f(%.2f)=%.2f",x,y);return0;}#include#incl

6、udeintmain(){//2-2-5doublex,y;printf("Enterx:");scanf_s("%lf",&x);if(x==10)y=1/x;elsey=x;printf("f(%.2f)=%.1f",x,y);return0;}#includeintmain(){//2-2-6intx,y;printf("Enternum1:");scanf_s("%d",&x);printf("Enternum2:");scanf_s("%d",&y);printf("%d+%d=

7、%d",x,y,x+y);printf("%d-%d=%d",x,y,x-y);printf("%d*%d=%d",x,y,x*y);printf("%d/%d=%d",x,y,x/y);printf("%d%%d=%d",x,y,x%y);return0;}#includeintmain(){//2-3-1inti,sum=0;for(i=1;i<=100;i++){sum=sum+i;}printf("sum=%d",sum);return0;}#includei

8、ntmain(){//2-3-2inti,m,s=0;printf("Enterm:");scanf("%d",&m);for(i=m;i<=100;i++)s=s+i;printf("sum=%d",s);return0;}#includeintmai