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#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 22:28
huangsilinlana
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#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 22:16
huangsilinlana
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#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,d 阅读全文
posted @ 2013-10-03 21:37
huangsilinlana
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#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 19:27
huangsilinlana
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#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 == 1)return 0; n=sqrt(m); for(i = 2;i<=n;i++ 阅读全文
posted @ 2013-10-03 19:15
huangsilinlana
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#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; wh 阅读全文
posted @ 2013-10-03 18:58
huangsilinlana
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#includeint main(void){ int child,women,men; for(men = 0;women<=15;men++) for(women = 0;women<=22;women++){ child=45-women-men; if(men*3 + women*0.5==45) printf("men=%d,women=%d,child=%d\n",men,women,child); } return 0; 阅读全文
posted @ 2013-10-03 18:07
huangsilinlana
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#includeint main(void){ int child,men,women; for(men=0;men<=45;men++) for(women=0;women<=45;women++) for(child=0;child<=45;child++) if(men+women+child==45&&men*3 + women*2 + child*0.5==45) printf("men=%d,women=%d,child=%d\n",men,women,child); return 0;} 阅读全文
posted @ 2013-10-03 17:46
huangsilinlana
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#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 17:40
huangsilinlana
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#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 17:35
huangsilinlana
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#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 17:26
huangsilinlana
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#includeint main(void){ int mark,max; printf("Enter marks:"); scanf("%d",&mark); max=mark; while(mark>=0){ if(max<mark) max=mark; scanf("%d",&mark); }; printf("Max=%d\n",max); return 0;} 阅读全文
posted @ 2013-10-03 17:21
huangsilinlana
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#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;i<n;i++){ scanf("%d",&mark); if(max<mark) max=mark; } printf("Max=%d\n",max); 阅读全文
posted @ 2013-10-03 17:11
huangsilinlana
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例题4-6和4-7乍看去似乎一样，但真正打完并看书后才领悟到两个程序看似相同，但其实却是不同的运算过程，例4-6是采用的例2-11中的函数fact(),而例题4-7则并未采用函数，使用的是嵌套循环，在求累加的大循环中再用一个求阶乘的小循环。 阅读全文
posted @ 2013-10-03 17:04
huangsilinlana
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#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 16:52
huangsilinlana
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#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 16:43
huangsilinlana
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#includeint main(void){ int mynumber=38; int count=0,yournumber; for(count=1;countmynumber) printf("Sorry! your number is bigger than my number!\n"); else printf("Sorry! your number is smaller than my number!\n"); } printf("Game is over!\n"); return 0;} 阅读全文
posted @ 2013-10-03 16:35
huangsilinlana
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#includeint main(void){ int i,m; printf("Enter a number:"); scanf("%d",&m); for(i=2;i=m/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 16:27
huangsilinlana
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#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 11:29
huangsilinlana
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#includeint main(void){ int count,num; double grade,total; num=0; total=0; count=0; printf("Enter grade:"); scanf("%lf",&grade); while(grade>=0){ total=total+grade; num++; if(grade<60) count++; scanf("%lf",&grade); } if(num!=0){ printf("Grade average 阅读全文
posted @ 2013-10-03 11:17
huangsilinlana
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#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); return 0;} 阅读全文
posted @ 2013-10-03 10:52
huangsilinlana
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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(o 阅读全文
posted @ 2013-10-03 10:37
huangsilinlana
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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 - value 阅读全文
posted @ 2013-10-03 10:36
huangsilinlana
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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' 阅读全文
posted @ 2013-10-03 10:36
huangsilinlana
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