【正文】 ++)\039。\039。{str1[i]=str2[j]。break。}87include iostreamvoid main(){i++)a39。i39。u39。\039。}void stradd(char str[]){str[j]!=39。a[i+1]=39。i+=2。\039。\039。str[i]=a[i]。\039。printf(數(shù)字個數(shù)為： %d\n,a[2])。int i,word=0,num=0,span=0,oth=0。\039。if((str[i]=39。str[i]=39。amp。)) word+=1。amp。else if(str[i]==39。a[0]=word。a[2]=span。810include iostreamvoid main(){word(str[i])。a39。z39。amp。int i,flag=1,len=0,point,max_len=0,max_point。i++)if(flag==1)flag=0。}else{max_len=len。len=0。}char str[80]。printf(輸入一個字符串\n\n)。sort(str)。puts(str)。char temp。i++)jstrlen(str)i1。812include iostreaminclude void main(){a,amp。x1=x。float p(int,float)。float x。scanf(%d%f,amp。printf(\n\n%d階勒德讓多項式的值為：%f\n\n,n,p(n,x))。else if(n==1) return x。 序號{ ,i+1)。jn2。for(i=0。h=hightest(amp。printf(\n\n最高成績?yōu)椋?f 是第%d號學(xué)生，第%d門課的成績\n\n,h,s,c)。int i,j。i++)j++)in1。s=0。jn2。float s。i++)j++)}}}int hightest(int *s,int *c,float a[][n2]){{j++){hightest=a[i][j]。}int i。for(i=0。y+=a_stu[i]。}void sort(int num[],char name[N][8])。int flag,n,num[N]。input(num,name)。{printf(是否繼續(xù)查找？Y/N ?\n\n)。||c==39。}}void input(int num[],char name[N][8]){iN。printf(輸入職工號\n\n)。num[i])。int i,j,min,temp1。for(i=0。for(j=i。{temp1=num[i]。num[min]=temp1。for(i=0。}}void search(int num[],char name[N][8],int n){amp。mid=(low+high)/2。flag=mid+1。printf(第%4d號職工的名字為：%8s\n\n,n,name[mid])。break。else low=mid+1。}\039。amp。if(((c=39。(c=39。)amp。))||((c=39。(c=39。{N39。printf(輸入一個十六進(jìn)制數(shù)\n\n)。}int i,n=0。\039。if((a[i]=39。(a[i]=39。)amp。)) n=n*16+a[i]39。amp。A39。return(n)。printf(輸出是：\n\n)。}}void exchange(int n){}int year,mon,day。scanf(%d%d%d,amp。int i,days=0。i++)if((year%4==0)amp。return days。y=tvoid main(){}printf(輸入x,y\n\n)。y)。93include iostreaminclude define s(a,b,c) ((a+b+c)/2)define area(a,b,c,s) sqrt(s*(sa)*(sb)*(sc))void main(){{c)。amp。amp。amp。s=s(a,b,c)。area=area(a,b,c,s)。flag=0。printf(\n\n面積area= %8f\n\n,area)。||m==39。amp。printf(輸入年份\n\n)。}PR(D1,x)。PR(D3,x,x,x)。float x,y,z,t。scanf(%f%f%f,amp。float x,y,z。scanf(%f%f%f,amp。char str[N]。printf(輸入一行字符串\n\n)。for(i=0。\039。amp。A39。Z39。)||(str[i]==39。\039。endif}第十章int x,y,z。printf(輸入三個整數(shù)\n\n)。y,amp。x。if(xy) swap(p1,p2)。if(yz) swap(p2,p3)。int temp。*p=*q。char str1[N],str2[N],str3[N]。scanf(%s,str1)。scanf(%s,str3)。if(strcmp(str1,str3)0) swap(str1,str3)。printf(\n\n三個字符串由小到大排列，分別為：\n\n%s\n%s\n%s\n,str1,str2,str3)。strcpy(str,p)。strcpy(q,str)。void input(int num[N])。void exchange(int num[N])。int num[N]。exchange(num)。int i。for(i=0。}}iN。scanf(%d,amp。move(num,N,M)。for(i=0。i++)printf(\n\n調(diào)整后的%d個整數(shù)為：\n\n,N)。{include iostreamdefine N 10define M 3void main(){num[i])。i++)printf(輸入十個整數(shù)\n\n)。output(num)。input(num)。void output(int num[N])。void swap(int *p,int *q)。strcpy(p,q)。char str[N]。if(strcmp(str2,str3)0) swap(str2,str3)。if(strcmp(str1,str2)0) swap(str1,str2)。scanf(%s,str2)。printf(請輸入三個字符串\n\n)。void swap(char *p,char *q)。*q=temp。temp=*p。printf(\n\n三個數(shù)由小到達(dá)輸出為：%d %d %d\n\n,x,y,z)。if(xz) swap(p1,p3)。z。p2=amp。scanf(%d%d%d,amp。int *p1,*p2,*p3。void swap(int *p,int *q)。puts(str)。}else str[i]=str[i]+1。)) str[i]=str[i]25。if((str[i]==39。amp。z39。a39。i++)amp。gets(str)。int i。}y,amp。printf(輸入三個數(shù)x,y,z：\n\n)。}y,amp。printf(輸入三個數(shù)x,y,z\n\n)。}97include iostreaminclude void main(){PR(D2,x,x)。float x=1。scanf(%d,amp。int y。}}else flag=0。) flag=1。if(m==39。m=getchar()。getchar()。printf(\n\n輸入有誤?。?！是否重新輸入？Y/N?\n\n)。amp。amp。amp。a,amp。printf(輸入a,b,c\n\n)。printf(\n\n余數(shù)為%d\n\n,acr(x,y))。scanf(%d%d,amp。int x,y。x,amp。第九章91include iostreamdefine exchange(x,y) t=x。((year%100)!=0)||(year%400==0)) days+=1。days+=day。for(i=0。}int date[]={31,28,31,30,31,30,31,31,30,31,30,31}。mon,amp。printf(輸入年、月、日\n\n)。int day_num(int year,int mon,int day)。039。n=n。39。if(n0)n)。817include iostreamvoid main(){F39。A39。+10。(a[i]=39。if((a[i]=39。)) n=n*16+a[i]39。)amp。{for(i=0。}flag=0。{n39。a[i]=39。}))))amp。(c=39。))||((c=39。)amp。{amp。816include iostreamdefine N1 1000void main(){}{ 姓名：%10s\n\n,num[i],name[i])。i++)printf(排序結(jié)果如下：\n\n)。num[i]=num[min]。}j++)i++)char temp2[8]。getchar()。{) flag=0。if(c==39。n)。printf(輸入要查找的職工號\n\n)。flag。sort(num,name)。char c,name[N][8]。void search(int num[],char name[N][8],int n)。void input(int num[],char name[N][8])。}i++)float x=0,y=0。return(hightest)。}*c=j+1。{for(j=0。in1。a_cou[i]=s/n1。{for(j=0。for(i=0。int i,j。s+=a[i][j]。{}}void stu_aver(float a[][n2]){a[i][j])。{for(j=0。for(i=0。printf(平均方差為：%f\n\n,d(score))。c,score)。i++)printf(課程平均)。printf(%,score[i][j])。printf(in1。void main(){else return ((2*n1)*xp(n1,x)(n1)*p(n2,x))/n。if(n==0) return 1。x)。printf(輸入n和x\n\n)。int n。}f1=(a*x1+b)*x1+c。{}float root(int a,int b,int c,int d){c,amp。}}str[j]=str[j+1]。if(str[j]str[j+1])for(i=0。int i,j。printf(\n\n字符由小到大排序為：\n\n)。gets(str)。void sort(char str[])。}{}for(i=0。}Z39。A39。amp。}int word(char c){a[3]=oth。a[1]=num。) span+=1。str[i]=39。)||(str[i]=39。amp。{for(i=0。printf(其它字符個數(shù)為：%d\n,a[3])。 %d\n,a[0])。89include iostreamvoid main(){}{for(i=0。}j+