C语言实验六解答.doc

21#include void main()int i1,i2,i,j,flag; printf(input two integer(i1,i2):); scanf(%d%d,&i1,&i2); printf(prime number:n); for(i=i1;i= i2 ;i+) flag=1; for(j=2;j=i-1;j+) if(i%j=0) flag=0; break; if(flag=1)printf(%dt,i); printf(n);getch();22#include void main() int i,j; for(i=1;i=9;i+) for(j=1;j=9;j+) printf(%d*%d=%dt,i,j,j*i); printf(n); getch();31#include void main( ) int x,s,a; for(x=100;x1000;x+) a=x; while(a!=0) s=s+(a%10)*(a%10)*(a%10); a=a/10; if(x=s) printf(%d ,x); getch();32#include void main() int i,j; int s; for(i=1;i=999; i+) s=0; for(j=1;j=i-1;j+)if(i%j=0 ) s=s+j; if(s=i)printf(%d,i); getch();41#include void main( ) int x,s,a; for(x=100;x1000;x+) a=x; while(a!=0) s=s+(a%10)*(a%10)*(a%10); a=a/10; if(s=1009) printf(%d ,x); getch();42#includemain()int i,j,m;m=1;for(i=3;i=0;i-)for(j=i;j0;j-)printf( );for(j=m;j0;j-)printf(*);printf(n);m=m+2;m=5;for(i=1;i0;j-)printf( );for(j=m;j0;j-)printf(*);printf(n);m=m-2; getch();43#include#includevoid main() float x,x0,f,f0;x=1.5;dox0=x;f=2*x0*x0*x0-4*x0*x0+3*x0-6;f0=6*x0*x0-8*x0+3;x=x0-f/f0;while(fabs(x-x0)=1e-5);printf(x=%fn,x);getch();44#includestdio.hvoid main() unsigned long int a50; unsigned long int i,j=0,m,x,y; printf(put in fifty numbers，并在每两个数字之间以回车分开n); for(i=0;i50;i+) scanf(%d,&ai); printf(n您输入的50个数字为：n); for(i=0;i50;i+) printf(%7d,ai); if(i+1)%10=0) printf(n); printf(n各位数字平方和等于108的数字为：n); for(i=0;i50;i+) x=ai; m=y=0; while(x!=0) y=x%10; x=x/10; m+=y*y; if(