摘要：
#includeint main(void){ int choice,i; double price; for(i=1;i<=5;i++){ printf("[1]Select crisps\n"); printf("[2]Select popcorn\n"); printf("[3]Select chocolate\n"); printf("[4]Select cola\n"); printf("[0]exit\n"); printf("Enter choice:") 阅读全文
posted @ 2013-10-02 22:56
huangsilinlana
阅读(141)
评论(0)
推荐(0)
摘要：
#includeint main(void){ int mynumber=38; int yournumber; printf("Input your number:"); scanf("%d",&yournumber); if(yournumber==mynumber) printf("Ok!you are right!\n"); else if(yournumber>mynumber) printf("Sorry!your number is bigger than my number!\n"); 阅读全文
posted @ 2013-10-02 21:53
huangsilinlana
阅读(202)
评论(0)
推荐(0)
摘要：
#includeint main(void){ int digit,letter,other; char ch; int i; digit=letter=other=0; printf("Enter 10 characters:"); for(i=1;i='a'&&ch='A'&&ch='0'&&ch<='9') digit++; else other++; } printf("letter=%d,digit=%d,other=%d\n" 阅读全文
posted @ 2013-10-02 19:11
huangsilinlana
阅读(124)
评论(0)
推荐(0)
摘要：
#includeint main(void){ double value1,value2; char op; printf("Type in an expression:"); scanf("%lf%c%lf",&value1,&op,&value2); if(op=='+') printf("=%.2f\n",value1+value2); else if(op=='-') printf("=%.2f\n",value1-value2); else if(o 阅读全文
posted @ 2013-10-02 18:50
huangsilinlana
阅读(104)
评论(0)
推荐(0)
摘要：
#includeint main(void){ double x,y; printf("Enter x:"); scanf("%lf",&x); if(x<0){ y=0; } else if(x<=15){ y=4*x/3; } else{ y=2.5*x-10.5; } printf("f(%.2f)=%.2f\n",x,y); return 0;} 阅读全文
posted @ 2013-10-02 18:30
huangsilinlana
阅读(112)
评论(0)
推荐(0)
摘要：
#includeint main(void){ int count,i,n; double grade,total; printf("Enter n:"); scanf("%d",&n); total=0; count=0; for(i=1;i<=n;i++){ printf("Enter grade #%d:",i); scanf("%lf",&grade); total=total+grade; if(grade<60){ count++; } } printf("Grad 阅读全文
posted @ 2013-10-02 18:20
huangsilinlana
阅读(116)
评论(0)
推荐(0)
摘要：
#includeint main(void){ int number; printf("Enter a number:"); scanf("%d",&number); if(number%2==0){ printf("The number is even.\n"); } else{ printf("The number is odd.\n"); } return 0;} 阅读全文
posted @ 2013-10-02 18:10
huangsilinlana
阅读(84)
评论(0)
推荐(0)
摘要：
#includedouble fact(int n);int main(void){ int i,n; double result; printf("Enter n:"); scanf("%d", &n); for(i=0;i<=n;i++){ result=fact(i); printf("%d!=%.0f\n",i,result); } return 0;}double fact(int n){int i;double product;product=1;for(i=1;i<=n;i++){ product=p 阅读全文
posted @ 2013-10-02 17:32
huangsilinlana
阅读(103)
评论(0)
推荐(0)
摘要：
#include#includeint main(void){ int i,n; double power; printf("Enter n:"); scanf("%d",&n); for(i=0;i<=n;i++){ power=pow(2,i); printf("pow(2,%d)=%.0f\n",i,power); } return 0;} 阅读全文
posted @ 2013-10-02 17:15
huangsilinlana
阅读(95)
评论(0)
推荐(0)
摘要：
#includeint main(void){ int i,n; double product; printf("Enter n:"); scanf("%d",&n); product=1; for(i=1;i<=n;i++){ product=product*i; } printf("product=%.0f\n",product); return 0;} 阅读全文
posted @ 2013-10-02 17:07
huangsilinlana
阅读(83)
评论(0)
推荐(0)
摘要：
#includeint main(void){ int denominator,flag,i,n; double item,sum; printf("Enter n:"); scanf("%d",&n); flag=1; denominator=1; sum=0; for(i=1;i<=n;i++){ item=flag*1.0/denominator; sum=sum+item; flag=-flag; denominator=denominator+2; } printf("sum=%f\n",sum); retur 阅读全文
posted @ 2013-10-02 17:00
huangsilinlana
阅读(87)
评论(0)
推荐(0)
摘要：
通过例题2-7，i=1还是i=l的一次次反复错误导致难以运行，我懂得了输完程序并不只是盯着程序看，还应该看看例题中提示，真正明白表达式是什么意思。 阅读全文
posted @ 2013-10-02 16:50
huangsilinlana
阅读(62)
评论(0)
推荐(0)
摘要：
#includeint main(void){ int i,n,sum; printf("Enter n:"); scanf("%d",&n); sum=0; for(i=1;i<=n;i++){ sum=sum+i; } printf("Sum of numbers from 1 to %d is %d\n",n,sum); return 0;} 阅读全文
posted @ 2013-10-02 16:45
huangsilinlana
阅读(95)
评论(0)
推荐(0)
摘要：
学习了例2-5以后，我知道了调用数学函数需要加入#include,并且初步了解了计算银行存款本息的程序。 阅读全文
posted @ 2013-10-02 16:22
huangsilinlana
阅读(100)
评论(1)
推荐(0)
摘要：
#include#includeint main(void){ int money,year; double rate,sum; printf("Enter money:"); scanf("%d",&money); printf("Enter year:"); scanf("%d",&year); printf("Enter rate:"); scanf("%lf",&rate); sum=money*pow(1+rate,year); printf 阅读全文
posted @ 2013-10-02 16:19
huangsilinlana
阅读(94)
评论(0)
推荐(0)
摘要：
打完例2-6后，我知道了在for语句中的fahr++相当于fahr=fahr+1. 阅读全文
posted @ 2013-10-02 16:05
huangsilinlana
阅读(99)
评论(0)
推荐(0)
摘要：
#includeint main(void){ int fahr,lower,upper; double celsius; printf("Enter lower:"); scanf("%d",&lower); printf("Enter upper:"); scanf("%d",&upper); printf("fahr celsius\n"); for(fahr=lower;fahr<=upper;fahr++){ celsius=(5.0/9.0)*(fahr-32) 阅读全文
posted @ 2013-10-02 16:02
huangsilinlana
阅读(120)
评论(0)
推荐(0)
摘要：
#includeint main(void){ double x,y; printf("Enter x(x>=0):\n"); scanf("%lf",&x); if(x<=15){ y=4*x/3; } else{ y=2.5*x-10.5; } printf("y=f(%f)=%.2f\n",x,y); return 0;} 阅读全文
posted @ 2013-10-02 15:10
huangsilinlana
阅读(108)
评论(0)
推荐(0)
摘要：
#includeint main(void){ int celsius,fahr; fahr=100; celsius=5*(fahr-32)/9; printf("fahr=%d,celsius=%d\n",fahr,celsius); return 0;} 阅读全文
posted @ 2013-10-02 15:00
huangsilinlana
阅读(81)
评论(0)
推荐(0)
摘要：
#includeint main(void){ printf("Programming is fun.\n"); printf("And programming in C is even more fun!\n"); return 0;} 阅读全文
posted @ 2013-10-02 14:51
huangsilinlana
阅读(86)
评论(0)
推荐(0)
浙公网安备 33010602011771号