亂貼小站

p91-4

#include<stdio.h> #include<stdlib.h> int main() { int ia; printf("請輸入華氏溫度 -> "); scanf("%d",&ia); printf("華氏溫度 %d 度 = 攝氏溫度 %.2f 度\n",ia,(ia-32.0)*5/9); system("pause"); }

p92-6

#include<stdio.h> #include<stdlib.h> int main() { int ia; double da,db; char ca[10000]; printf("Enter desired grade -> "); scanf("%s",ca); printf("Enter minimum average required -> "); scanf("%lf",&da); printf("Enter current average in course -> "); scanf("%lf",&db); printf("Enter how much the final counts as a percentage of the course grade -> "); scanf("%d",&ia); printf("You need a score of %.2lf on the final to get a %s.\n",(da*100-db*(100-ia))/ia,ca); system("pause"); }

p92-10

#include<stdio.h> #include<stdlib.h> int main() { int ia,ib,ic,id; printf("請輸入兩個分數(a/b c/d) -> "); scanf("%d/%d %d/%d",&ia,&ib,&ic,&id); printf("(%d/%d) * (%d/%d) = %.2f\n",ia,ib,ic,id,(ic+0.0)*ia/id/ib); system("pause"); }

p93-12

#include<stdio.h> #include<stdlib.h> int main() { int ia,ib; printf("請輸入生成直角三角形的 m 和 n -> "); scanf("%d %d",&ia,&ib); if(ia<ib)ia^=ib^=ia^=ib; printf("Side1 = %d , Side2 = %d , Hypotenuse = %d\n",ia*ia-ib*ib,2*ia*ib,ia*ia+ib+ib); system("pause"); }