【正文】 =39。}void strcpy(char str1[],char str2[]){87include iostreamvoid main(){\039。}break。str1[i]=str2[j]。{\039。for(j=0。\039。i++)}void strcat(char str1[],char str2[]){86include iostreamvoid main(){\039。}str[i1j]=temp。temp=str[j]。{j=k。}) break。if(str[i]==39。{for(i=0。char temp。int i,j,k。puts(str)。printf(\n\n反序字符串為：\n\n)。exchange(str)。gets(str)。printf(輸入一個(gè)字符串\n\n)。char str[80]。void exchange(char str[])。}}printf(\n)。}{j++)for(j=0。{i3。}a[i][j])。{j++)for(j=0。{i3。84include iostreamvoid main(){return(flag)。break。flag=1。i++)for(i=2。int i,flag。scanf(%d,amp。printf(輸入一個(gè)正整數(shù)\n\n)。int x。int prime(int)。}}void root3(float a,float b,float c){}void root2(float a,float b,float c){}void root1(float a,float b,float c){b,amp。scanf(%f%f%f,amp。printf(輸入a,b,c的值\n\n)。float a,b,c,k。void root3(float,float,float)。void root2(float,float,float)。void root1(float,float,float)。}}int max(int k1,int k2){}}int min(int k1,int k2){break。return(i)。amp。i++)}int min_mul(int k1,int k2){}else flag=0。}{(k2%i==0))if((k1%i==0)amp。{i1。}int max_div(int k1,int k2){m,amp。81include iostreamvoid main(){puts(s1)。printf(\n\n復(fù)制后的數(shù)組為：\n\n)。\039。}s1[i]=s2[i]。{\039。amp。for(i=0。gets(s2)。printf(輸入數(shù)組s2\n\n)。gets(s1)。printf(輸入數(shù)組s1\n\n)。int i,j。char s1[80],s2[80]。if(k==0) printf(\n\n字符串a(chǎn)等于字符串b：%4d\n\n,k)。break。printf(\n\n字符串a(chǎn)小于字符串b：%4d\n\n,k)。break。printf(\n\n字符串a(chǎn)大于字符串b：%4d\n\n,k)。k=a[i]b[i]。{)。(b[i]!=39。)amp。(a[i]!=39。(i80)amp。714include iostreamvoid main(){}}break。\039。}k++。j++)b[j]!=39。j80amp。{)if(a[i]==39。{i80。713include iostreamvoid main(){}b[i]=39。b[i]=219a[i]。z39。amp。a39。b[i]=155a[i]。Z39。amp。A39。i++)a[i]!=39。i80amp。712include iostreamvoid main(){}}printf(\n)。}{j++)for(j=i。}printf(j=i。i++)for(i=0。int i,j。 %d個(gè)\n\n,oth)。printf(空格： %d個(gè)\n\n,num)。}else oth+=1。) spa+=1。else if(a[i][j]==39。a[i][j]=57) num+=1。else if(a[i][j]=48amp。) low+=1。a[i][j]=39。amp。else if(a[i][j]=39。) upon+=1。a[i][j]=39。amp。if(a[i][j]=39。\039。amp。for(j=0。printf(輸入第%d行文字\n\n,i)。{i3。710include iostreamvoid main(){}}else low=mid+1。break。i++。printf(該數(shù)是數(shù)組中第%d個(gè)元素\n\n,mid+1)。mid=(low+high)/2。{scanf(%f,amp。printf(\n\n輸入一個(gè)數(shù)n\n\n)。i++)for(i=0。printf(原數(shù)組為：\n\n)。int i,low,high,mid。float a[15]={100,98,65,55,34,23,23,12,11,9,7,6,4,3,2},n。if(flag==0) printf(不存在\n\n)。}{elsemin=a[j][k1]。{{j++)for(j=0。max=a[i][j]。{{j++)for(j=0。i++)for(i=0。printf(鞍點(diǎn)為：\n\n)。}scanf(%d,amp。j4。i++)for(i=0。printf(輸入一個(gè)4*4的數(shù)組\n\n)。int a[4][4],i,j,max,min,k1,k2,flag。printf(\n\n)。j++)for(j=0。iN。}{else}{if(a[i][j]==0)}{else}{(jN1))if((i0)amp。i=i1。{k=N*N。77include iostreamdefine N 7void main(){}}printf(\n\n)。}{j++)for(j=0。{i10。}a[i][j]=a[i1][j1]+a[i1][j]。a[i][0]=a[i1][0]。j=i。i++)for(i=1。int i,j。int a[10][10]={1}。printf(\n\n)。i++)for(i=0。a[i]=a[Ni1]。i++)for(i=0。scanf(%d,amp。{iN。75include iostreamdefine N 5void main(){}}printf(%d ,a[i])。{i11。}}}temp1=temp2。temp2=a[j]。{j11。{if(a[i]n){i10。{else}{if(n=a[9]){}}}temp1=temp2。temp2=a[j]。{j11。{if(a[i]n){i10。{else}{if(n=a[9]){scanf(%d,amp。printf(輸入一個(gè)數(shù)n\n\n)。int i,j,n,temp1,temp2。int a[11]={1,2,3,4,5,6,7,8,9,10}。printf(對(duì)角線元素之和為：%d\n\n,s)。i+=4)for(i=0。scanf(%d,amp。{i9。73include iostreamvoid main(){}}printf(%d ,a[i])。{i10。}a[i]=a[j]。if(a[i]a[j])j10。i++)for(i=0。scanf(%d,amp。{i10。72include iostreamvoid main(){}}if(a[i]!=0) printf(%d ,a[i])。{i=100。}a[i]=0。{{j++)for(j=2。{i=100。}a[i]=i。{i=100。71include iostreaminclude void main(){)k!=39。amp。k!=39。amp。if(i!=39。{amp。{k++)k=39。for(k=39。if(i!=j)Z39。X39。Z39。X39。 }}615include iostreamvoid main(){ printf(\n)。printf(*)。k=42*i。printf( )。j=i。 {i=2。 } printf(\n)。 {k=2*i。 {j=2i。 {i=3。}614include iostreamvoid main(){x2=(x1+x2)/2。x1=(x1+x2)/2。y=f((x1+x2)/2)。{}float root(float x1,float x2){}float f(float x){f1=f(x1)。x1,amp。printf(輸入x1,x2\n\n)。{}613include iostreaminclude void main(){else}{if(y*y10)x=xpoint(x1,x2)。{}float root(float x1,float x2){}float xpoint(float x1,float x2){}float f(float x){f1=f(x1)。x1,amp。printf(輸入x1,x2\n\n)。{612include iostreaminclude void main(){else printf(\n\na的平方根為%f\n\n,x2)。x1=x2。{if(fabs(x1x2)1e5)loop:x2=(x1+a/x1)/2。scanf(%f,amp。printf(輸入a\n\n)。float a,x1,x2。}}m=(m+1)*2。{in。scanf(%d,amp。printf(輸入n\n\n)。int m=1,n,i。}}s+=2*m。{i=n。scanf(%d,amp。printf(輸入n\n\n)。float m,s=0。int i,n,l=100。}}f1=temp。temp=f2。i++)for(i=1。s=f1。f1=。n)。68include iostreamvoid main(){}}if(i%j==0) printf(%d ,j)。j++)for(j=1。printf(%d its factors are ,i)。printf(\n\n)。if(i%j==0) s+=j。ji。s=0。{i=1000。}}67incl