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6-1#includeint main(void){ int i; char ch_lower,ch_upper; for(i=1;i='a'&&ch_lower%c->%d\n",ch_lower,ch_upper,ch_upper%10); } return 0;}6-2#includeint main(void){ char ch='w'; int a=2,b=3,c=1,d,x=10; printf("%d",a>b==c); printf("%d",d=a>b); pr 阅读全文
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5-1#includeint main(void){ double height,radius,volume; double cylinder(double r,double h); printf("Enter radius and height:"); scanf("%lf%lf",&radius,&height); volume=cylinder(radius,height); printf("Volume=%.3f\n",volume); return 0;}double cylinder(double r,do 阅读全文
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例4-1#include#includeint main(void){ int denominator,flag; double item,pi; flag=1; denominator=1; item=1.0; pi=0; while(fabs(item)>=0.0001){ item=flag*1.0/denominator; pi=pi+item; flag=-flag; denominator=denominator+2; } pi=pi*4; printf("pi=%.... 阅读全文
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例3-1#includeint main(void){int mynumber=38;int yournumber;printf("Input your number:");scanf("%d",&yournumber);if(yournumber==mynumber)printf("OK!you are right!\n");elseif(yournumber>mynumber)printf("Sorry!your number is bigger than my number!\n");elsep 阅读全文