C语言程序设计实验与习题指导课后程序设计答案.docx

P18 (1) #includestdio.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) #includestdio.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) #includestdio.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) #includestdio.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) #includestdio.h #includemath.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) #includestdio.h #includemath.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) #includestdio.h #includemath.h int main(void) { double x,y; printf(Enter x:); scanf(%lf,x); if(x0){ y=pow(x+1,2)+2*x+1/x; } else{ y=sqrt(x); } printf(y=f(%f)=%.2f\n,x,y); return 0; } (4) #includestdio.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 #includestdio.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; }