2013年10月5日
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#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(op==' 阅读全文
posted @ 2013-10-05 22:31
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#includeint main(void){int blank,digit,other;char ch;int i;blank=digit=other=0;printf("Enter 10 characters:");for(i=1;i<=10;i++){ch=getchar();switch(ch){case' ':case'\n':blank++;break;case'0':case'1':case'2':case'3':case'4':case 阅读全文
posted @ 2013-10-05 21:12
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#includeint main(void){double value1,value2;char op;printf("Type in an expression:");scanf("%lf%c%lf",&value1,&op,&value2);switch(op){ case'+':printf("=%.2f\n",value1+value2);break;case'-':printf("=%.2f\n",value1-value2);break;case& 阅读全文
posted @ 2013-10-05 20:48
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#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:");scanf(&q 阅读全文
posted @ 2013-10-05 20:31
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#includeint main(void){int digit,letter,other;char ch;int i;digit=letter=other=0;printf("Enter 10characters:");for(i=1;i='a'&&ch='A'&&ch='0'&&ch<='9')digit++;else other++;}printf("letter=%d,digit=%d,other=%d\n",letter,dig 阅读全文
posted @ 2013-10-05 20:04
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#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(op=='* 阅读全文
posted @ 2013-10-05 19:53
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#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 @ 2013-10-05 19:28
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#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("Grade average=%.2f\n 阅读全文
posted @ 2013-10-05 19:20
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#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 @ 2013-10-05 19:11
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#includeint main(void){int mynumber=38;int yournumber;printf("Input your number:");scanf("%d",&yournumber);if(yournumber==mynumber)printf("Ok!you are rigaht!\n");elseif(yournumber>mynumber)printf("Sorry!your number is bigger than my number!\n");else pri 阅读全文
posted @ 2013-10-05 18:58
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#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=product*i;}r 阅读全文
posted @ 2013-10-05 18:46
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#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 @ 2013-10-05 18:30
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#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 @ 2013-10-05 18:23
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#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);return 0;} 阅读全文
posted @ 2013-10-05 18:18
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#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 @ 2013-10-05 17:47
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#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);printf(& 阅读全文
posted @ 2013-10-05 17:37
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#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("sum 阅读全文
posted @ 2013-10-05 17:25
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#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 @ 2013-10-05 17:11
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#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 @ 2013-10-05 16:57
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#includeint main(void){printf("Programming is fun.\n");printf("And programming in C is even morn fun!\n");return 0;} 阅读全文
posted @ 2013-10-05 16:53
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