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1输入num1和num2 ，计算它们的和，差，积，商与余数。#includeint main(void){ double num1,num2;//存放数字 char op;//存放运算符号 printf("Type in a number:");//提示输入 scanf("%lf%c%lf",&num1,&op,&num2); //根据运算符号不同分别进行不同的运算和输出 if(op=='+') printf("=%.2f\n",num1+num2); else if(op=='- 阅读全文
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#includeint main(void){ int i,n; double r,v,h; printf("Enter n:"); scanf("%d",&n); for(i=1;iint main(void){ int i,n,item; double sum; printf("Enter n:"); scanf("%d",&n); for(i=1;i<=n;i++){ printf("Enter item:"); scanf("%d",&i 阅读全文
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#includeint main(void){ double R,s; printf("Enter R:"); scanf("%lf",&R); if(Rint main(void){ int i,n; double R,V,H; printf("Enter n:"); scanf("%d",&n); printf("Enter H:"); scanf("%Lf",&H); printf("Enter R:"); scanf(&qu 阅读全文
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7-1#includeint main(void){ int count[9]; int i,response; for(i=1;i8) printf("this is a bad response:%d\n",response); else count[response]++; } printf("result:\n"); for(i=1;iint main(void){ int i; int fib[10]={1,1}; for(i=2;iint main(void){ i... 阅读全文
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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
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例2-1#includeint main(void){printf("Hello World!\n");return 0;}例2-2#includeint main(void){printf("Programming is fun.\n");printf("And programming in C is even more fun!\n");return 0;}例2-3#includeint main(void){int celsius,fahr;fahr=100;celsius=5*(fahr-32)/9;printf(" 阅读全文
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例1-1#includeint main(void){int n;int factorial(int n);scanf("%d",&n);printf("%d\n",factorial(n));return 0;}int factorial(int n){int i,fact=1;for(i=1;i<=n;i++)fact=fact*i;return fact;} 成功敲出来的时候满是辛酸啊。没有辛酸泪。一开始打错“return”了！害我检查好久。==、 一直在想 那个每个程序句子之间的空行对程序本身有什么影响吗？还有我可不可以在打｛｝的时 阅读全文