C语言程序设计实验与习题指导课后程序设计答案.docxVIP

P18 (1) #include<stdio.h> int main(void) { int celsius,fahr; fahr=150; celsius=5*fahr/9-5*32/9; printf("fahr=%d,celsius=%d\n",fahr,celsius); return 0; } (2) #include<stdio.h> int main(void) { int celsius,fahr; celsius=26; fahr=9*celsius/5+32; printf("celsius=%d,fahr=%d\n",celsius,fahr); return 0; } (3) #include<stdio.h> int main(void) { int average,math,eng,comp; math=87; eng=72; comp=93; average=(math+eng+comp)/3; printf("math=%d,eng=%d,comp=%d,average=%d\n",math,eng,comp,average); return 0; } (4) #include<stdio.h> int main(void) { int n,a,b,c; n=152; 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",n,c,b,a); return 0; } P27 (1) #include<stdio.h> #include<math.h> int main(void) { int celsius,fahr; printf("Enter celsius:"); scanf("%d",&celsius); fahr=9*celsius/5+32; printf("fahr%d\n",fahr); return 0; } (2) #include<stdio.h> #include<math.h> int main(void) { int money,year; double rate,interest; printf("Enter money,year,rate:"); scanf("%d%d%lf",&money,&year,&rate); interest=money*pow(1+rate,year)-money; printf("interest=%.2f\n",interest); return 0; } (3) #include<stdio.h> #include<math.h> int main(void) { double x,y; printf("Enter x:"); scanf("%lf",&x); if(x<0){ y=pow(x+1,2)+2*x+1/x; } else{ y=sqrt(x); } printf("y=f(%f)=%.2f\n",x,y); return 0; } (4) #include<stdio.h> int main(void) { int x,y; printf("Enter num1:"); scanf("%d",&x); printf("Enter num2:"); scanf("%d",&y); printf("%d+%d=%d\n",x,y,x+y); printf("%d-%d=%d\n",x,y,x-y); printf("%d*%d=%d\n",x,y,x*y); printf("%d/%d=%d\n",x,y,x/y); printf("%d%%%d=%d\n",x,y,x%y); return 0; } 10的阶乘 #include<stdio.h> int main(void) { int i,n,product; printf("Enter n:"); scanf("%d",&n); product=1; for(i=1;i<=n;i++){ product=product*i; } printf("product=%d\n",product); return 0; }