摘要: #includeint main(void){ int i,k; char str1[80],str2[80]; long number; printf("Enter a string:"); i=0; while((str1[i]=getchar())!='\n') i++; str1[i]='\0'; k=0; for(i=0;str1[i]!='\0';i++) if (str1[i]>='0'&&str1[i]='a'&&str1[i]='A 阅读全文
posted @ 2013-10-03 19:14 wuyanlong 阅读(154) 评论(0) 推荐(0)
摘要: #includeint main(void){ int count,i; char str[80]; printf("Enter a string:"); i=0; while((str[i]=getchar())!='\n') i++; str[i]='\0'; count=0; for(i=0;str[i]!='\0';i++) if(str[i]='0') count++; printf("count=%d\n",count); return 0;} 阅读全文
posted @ 2013-10-03 18:38 wuyanlong 阅读(111) 评论(0) 推荐(0)
摘要: #includeint main(void){ int i,number; char str[10]; printf("Enter a string:"); i=0; while((str[i]=getchar())!='\n') i++; str[i]='\0'; number=0; for(i=0;str[i]!='\0';i++) if(str[i]>='0'&& str[i]<='9') number=number*10+str[i]-'0'; 阅读全文
posted @ 2013-10-03 18:29 wuyanlong 阅读(121) 评论(0) 推荐(0)
摘要: #includeint main(void){ int i,n,m; char s[10]; printf("Enter a string:"); i=0; while((s[i]=getchar())!='\n') i++; s[i]='\0'; for(n=0,m=i-1;n=m) printf("It is a plalindrome\n"); else printf("It is not a plalindrome\n"); return 0;} 阅读全文
posted @ 2013-10-03 18:16 wuyanlong 阅读(87) 评论(0) 推荐(0)
摘要: #include 阅读全文
posted @ 2013-10-03 18:07 wuyanlong 阅读(117) 评论(0) 推荐(0)
摘要: #includeint main(void){ int i,j,n,temp; int a[6][6]; printf("Enter n:"); scanf("%d",&n); for(i=0;i<n;i++) for(j=0;j<n;j++) a[i][j]=i*n+j+1; for(i=0;i<n;i++) for(j=0;j<n;j++) if(i<=j){ temp=a[i][j]; a[i][j]=a[j][i]; ... 阅读全文
posted @ 2013-10-03 18:02 wuyanlong 阅读(86) 评论(0) 推荐(0)
摘要: #includeint main(void){ int i,j; int a[3][2]; for(i=0;i<3;i++) for(j=0;j<2;j++) a[i][j]=i+j; for(i=0;i<3;i++){ for(j=0;j<2;j++) printf("%4d",a[i][j]); printf("\n"); } return 0;} 阅读全文
posted @ 2013-10-03 17:52 wuyanlong 阅读(69) 评论(0) 推荐(0)
摘要: #includeint main(void){ int col,i,j,row; int a[3][2]; printf("Enter 6 integers:\n"); for(i=0;ia[row][col]){ row=i; col=j; } printf("max=a[%d][%d]=%d\n",row,col,a[row][col]); return 0;} 阅读全文
posted @ 2013-10-03 17:45 wuyanlong 阅读(84) 评论(0) 推荐(0)
摘要: #includeint main(void){ int a[10]={1,2,3,4,5,6,7,8,9,10}; int low,high,mid,n=10,x; printf("Enter x: "); scanf("%d",&x); low=0;high=n-1; while(low<=high) { mid=(low+high)/2; if(x==a[mid]) break; else if(x<a[mid]) high=mid-1; else ... 阅读全文
posted @ 2013-10-03 17:27 wuyanlong 阅读(89) 评论(0) 推荐(0)
摘要: #includeint main(void){ int i,index,k,n,temp; int a[10]; printf("Enter n:"); scanf("%d",&n); printf("Enter %d integers:",n); for(i=0;i<n;i++) scanf("%d",&a[i]); for(k=0;k<n-1;k++){ index=k; for(i=k+1;i<n;i++) if(a[i]<a[index]) index=i; temp 阅读全文
posted @ 2013-10-03 17:15 wuyanlong 阅读(89) 评论(0) 推荐(0)
摘要: #includeint main(void){ int i,index,n; int a[10]; printf("Enter n:"); scanf("%d",&n); printf("Enter%d integers:",n); for(i=0;i<n;i++) scanf("%d",&a[i]); index=0; for(i=1;i<n;i++) if(a[i]<a[index]) index=i; printf("min is %d\tsub is %d\n&q 阅读全文
posted @ 2013-10-03 16:57 wuyanlong 阅读(100) 评论(0) 推荐(0)
摘要: #includeint main(void){ int i,flag,x; int a[5]; printf("Enter 5 integers:"); for(i=0;i<5;i++) scanf("%d",&a[i]); printf("Enter x:"); scanf("%d",&x); flag=0; for(i=00;i<5;i++) if(a[i]==x){ printf("Index is %d\n",i); flag=1; break;... 阅读全文
posted @ 2013-10-03 16:48 wuyanlong 阅读(87) 评论(0) 推荐(0)
摘要: #includeint main(void){ int i; int fib[10]={1,1}; for(i=2;i<10;i++) fib[i]=fib[i-1]+fib[i-2]; for(i=0;i<10;i++){ printf("%6d",fib[i]); if((i+1)%5==0) printf("\n"); } return 0;} 阅读全文
posted @ 2013-10-03 16:39 wuyanlong 阅读(119) 评论(0) 推荐(0)
摘要: #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;i<=8;i++) printf("%4d%4d\n",i,count[i]); return 0;} 阅读全文
posted @ 2013-10-03 16:32 wuyanlong 阅读(133) 评论(0) 推荐(0)
摘要: #includeint main(void){ char ch; printf("input characters:"); ch=getchar(); while(ch!='\n'){ if(ch>='A'&&ch='a'&&ch<='z') ch=ch-'a'+'A'; putchar(ch); ch=getchar(); } return 0;} 阅读全文
posted @ 2013-10-03 16:11 wuyanlong 阅读(113) 评论(0) 推荐(0)
摘要: #includeint main(void){ char ch='w'; int a=2,b=0,c=0; float x=3.0; printf("%d",a&&b); printf("%d",a‖(b&&c)); printf("%d",!a&&b); printf("%d",a‖(3+10)&&2); printf("%d",!(x==2)); printf("%d",!x==2); pri 阅读全文
posted @ 2013-10-03 16:01 wuyanlong 阅读(87) 评论(0) 推荐(0)
摘要: #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); printf("%d",ch>'a'+1); printf("%d",d=a+b>c); printf("%d",b-1==a!=c); printf("%d\n",3<=x<=5); return 0;} 阅读全文
posted @ 2013-10-03 15:43 wuyanlong 阅读(80) 评论(0) 推荐(0)
摘要: #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;} 阅读全文
posted @ 2013-10-03 15:35 wuyanlong 阅读(64) 评论(0) 推荐(0)
摘要: #includedouble fact_s(int n);int main(void){ int i,n; printf("Input n:"); scanf("%d",&n); for(i=1;i<=n;i++) printf("%3d!=%.0f\n",i,fact_s(i)); return 0;}double fact_s(int n){ static double f=1; f=f*n; return(f);} 阅读全文
posted @ 2013-10-03 15:24 wuyanlong 阅读(69) 评论(0) 推荐(0)
摘要: #includefloat cash;int main(void){ int choice; float value; void income(float number),expend(float number); cash=0; printf("Enter operate choice(0--end,1--income,2--expend):"); scanf("%d",&choice); while(choice!=0){ if(choice==1||choice==2){ printf("Enter cash ... 阅读全文
posted @ 2013-10-03 15:16 wuyanlong 阅读(108) 评论(0) 推荐(0)
摘要: #includeint x;int f();int main(void){ int a=1; x=a; a=f(); { int b=2; b=a+b; x=x+b; } printf("%d%d",a,x); return 0;}int f(){ int x=4; return x;} 阅读全文
posted @ 2013-10-03 14:41 wuyanlong 阅读(70) 评论(0) 推荐(0)
摘要: #includefloat result_real,result_imag;int main(void){ float imag1,imag2,real1,real2; void complex_prod(float real1,float imag1,float real2,float imag2); void complex_add(float real1,float imag1,float real2,float imag2); printf("Enter 1st complex number(real and imaginary):"); scanf("% 阅读全文
posted @ 2013-10-03 14:39 wuyanlong 阅读(111) 评论(0) 推荐(0)
摘要: #includeint main(void){ void pyramid(int n); pyramid(5); return 0;}void pyramid(int n){ int i,j; for(i=1;i<=n;i++){ for(j=1;j<=n-i;j++) printf(" "); for(j=1;j<=i;j++) printf("%d",i); putchar('\n');}} 阅读全文
posted @ 2013-10-03 11:06 wuyanlong 阅读(71) 评论(0) 推荐(0)
摘要: #include#includeint main(void){ int count,m; int prime(int m); count=0; for(m=2;m<=100;m++){ if(prime(m)!=0){ printf("%6d",m); count++; if(count%10==0) printf("\n"); } } printf("\n");} int prime(int m){ int i,n; if(m=... 阅读全文
posted @ 2013-10-03 10:54 wuyanlong 阅读(78) 评论(0) 推荐(0)
摘要: #include#includeint main(void){ double e,pi; double funpi(double e); printf("Enter e:"); scanf("%lf",&e); pi=funpi(e); printf("pi=%f\n",pi); return 0;}double funpi(double e){ int denominator,flag; double item,sum; flag=1; denominator=1; item=1.0; sum=0; whil... 阅读全文
posted @ 2013-10-03 10:34 wuyanlong 阅读(92) 评论(0) 推荐(0)
摘要: int event(int n){ if(n%2==0) return 1; else return 0;} 阅读全文
posted @ 2013-10-03 10:24 wuyanlong 阅读(104) 评论(0) 推荐(0)
摘要: #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,doubl 阅读全文
posted @ 2013-10-03 10:14 wuyanlong 阅读(103) 评论(0) 推荐(0)
摘要: #includeint main(void){ int child,men,women; for(men=0;menint main(void){ int child,women,men; for(men=0;men<=15;men++) for(women=0;women<=22;women++){ child=45-women-men; if(men*3+women*2+child*0.5==45) printf("men=%d,women=%d,child=%d\n",men,... 阅读全文
posted @ 2013-10-03 09:43 wuyanlong 阅读(155) 评论(0) 推荐(0)
摘要: #includeint main(void){ int i,x1,x2,x; x1=1; x2=1; printf("%6d%6d",x1,x2); for(i=1;i<=8;i++){ x=x1+x2; printf("%6d",x); x1=x2; x2=x; } printf("\n"); return 0;} 阅读全文
posted @ 2013-10-03 09:28 wuyanlong 阅读(103) 评论(0) 推荐(0)
摘要: #include#includeint main(void){ int count,i,m,n; count=0; for(m=2;mn){ printf("%6d",m); count++; if(count%10==0) printf("\n"); } } printf("\n"); return 0;} 阅读全文
posted @ 2013-10-03 09:22 wuyanlong 阅读(75) 评论(0) 推荐(0)
摘要: #includeint main(void){ int x; printf("Enter x:"); scanf("%d",&x); while(x!=0){ printf("%d",x%10); x=x/10; } return 0;} 阅读全文
posted @ 2013-10-03 09:14 wuyanlong 阅读(109) 评论(0) 推荐(0)
摘要: #includeint main(void){ int i,mark,max,n; printf("Enter n:"); scanf("%d",&n); printf("Enter%d marks:",n); scanf("%d",&mark); max=mark; for(i=1;iint main(void){ int mark,max; printf("Enter marks:"); scanf("%d",&mark); max=mark; w 阅读全文
posted @ 2013-10-03 09:01 wuyanlong 阅读(137) 评论(0) 推荐(0)
摘要: #includeint main(void){ int i,j; double item,sum; sum=0; for(i=1;i<=100;i++){ item=1; for(j=1;j<=i;j++) item=item*j; sum=sum+item; } printf("1!+2!+…+100!=%e\n",sum); return 0;} 阅读全文
posted @ 2013-10-03 08:50 wuyanlong 阅读(84) 评论(0) 推荐(0)
摘要: #includedouble fact(int n);int main(void){ int i; double sum; sum=0; for(i=1;i<=100;i++) sum=sum+fact(i); printf("1!+2!+…+100!=%e\n",sum);return 0;}double fact(int n){ int i; double result; result=1; for(i=1;i<=n;i++) result=result*i; return result;} 阅读全文
posted @ 2013-10-03 08:41 wuyanlong 阅读(137) 评论(0) 推荐(0)
摘要: #includeint main(void){ int mynumber=38; int count=0,yournumber; for(count=1;countmynumber) printf("Sorry!you number is bigger than my number!\n"); else printf("Sorry!you number is smaller than my number!\n"); } printf("Game is over!\n"); re... 阅读全文
posted @ 2013-10-03 08:34 wuyanlong 阅读(138) 评论(0) 推荐(0)
摘要: #includeint main(void){ int i,m; printf("Enter a number:"); scanf("%d",&m); for(i=2;im/2&&m!=1) printf("%d is a prime number!\n",m); else printf("No!\n"); return 0;} 阅读全文
posted @ 2013-10-03 08:23 wuyanlong 阅读(88) 评论(0) 推荐(0)
摘要: #includeint main(void){ int count,number; count=0; printf("Enter a number:"); scanf("%d",&number); if(number<0)number=-number; do{ number=number/10; count++; }while(number!=0); printf("It contains%d digits.\n",count); return 0;} 阅读全文
posted @ 2013-10-03 08:21 wuyanlong 阅读(82) 评论(0) 推荐(0)
摘要: #includeint main(void){ int count,num; double grade,total; num=0; total=0; count=0; printf("Enter grades:"); scanf("%lf",&grade); while(grade>=0){ total=total+grade; num++; if(grade<60) count++; scanf("%lf",&grade); } if(num!=0){ printf("G... 阅读全文
posted @ 2013-10-03 08:18 wuyanlong 阅读(98) 评论(0) 推荐(0)
摘要: #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=%.4f\n",pi); r... 阅读全文
posted @ 2013-10-03 08:09 wuyanlong 阅读(140) 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 @ 2013-10-03 08:06 wuyanlong 阅读(146) 评论(0) 推荐(0)
摘要: #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 ... 阅读全文
posted @ 2013-10-03 08:05 wuyanlong 阅读(111) 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); switch(op){ case'+': printf("=%.2f\n",value1+value2); break; case'-': printf("=%.2f\n",value1-value2); b 阅读全文
posted @ 2013-10-03 07:46 wuyanlong 阅读(117) 评论(0) 推荐(0)
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 @ 2013-10-03 07:45 wuyanlong 阅读(121) 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 @ 2013-10-03 07:35 wuyanlong 阅读(78) 评论(0) 推荐(0)