c语言实验报告答案.doc

3#include main()float pi,h,r,l,s,sq,vq,vz;pi=3.1415926;printf(input r,h:n);scanf(%f,%f,&r,&h);l=2*pi*r;s=pi*r*r;sq=4*pi*r*r;vq=4.0/3*pi*r*r*r;vz=pi*r*r*h;printf(l=%6.2fn,l);printf(s=%6.2fn,s);printf(sq=%6.2fn,sq);printf(vq=%6.2fn,vq);printf(svz=%6.2fn,vz);4#include stdio.hmain()float f,c;printf(input f: );scanf(%f,&f);c=5*(f-32)/9;printf(c=%6.2fn,c);5#include stdio.hmain()char c1,c2,b,d;printf(please input a small letter: );scanf(%c,&c1);c2=c1-32;b=c2-1;d=c2+1;printf(the big letter is %cn,c2);printf(before is %c,later is %cn,b,d);6#include stdio.hmain()int x,y,h,f;scanf(%d%d,&h,&f);x=2*h-f/2;y=f/2-h;printf(x=%d,y=%dn,x,y);7#include stdio.hmain()float x,y,h,s;scanf(%f%f%f,&x,&y,&h);s=(x+y)*h/2;printf(s=%fn,s);8#include stdio.hmain()char x,y;printf(please input two letter:n);scanf(%c,%c,&x,&y);printf(the lower is %c,%cn,x+32,y+32);printf(the ascii is %d,%dn,x+32,y+32);9#include stdio.h#include math.hmain()float x,y,z;scanf(%f%f,&x,&y);z=sqrt(y)+pow(x,5)/2;printf(z=%fn,z);1:main()int a,b,c,max;printf(input three integer:);scanf(%d%d%d,&a,&b,&c);if(ab)if(bc)max=c;elsemax=b;elseif(ac)max=c;elsemax=a;printf(max=%d,max);2:main()int x,y;printf(input x:);scanf(%d,&x);if(x1)y=x;printf(x=%d,y=x=%d,x,y);else if(x100)y=x/100;printf(%d,y);elseprintf(%d,a+b);6:#include stdio.hmain()char ch;printf(please input a char: );ch=getchar();if(ch=A&ch=a&ch=1&ch=9)printf(nThe char is a digit char.n);elseprintf(nThe char is an other char.n);8operatorbreakdefaultgfefeg9:#includemath.hmain()int a,b,c,t,min;scanf(%d,%d,%d,&a,&b,&c);t=(abs(a)abs(b)?a:b;min=(abs(t)abs(c)?t:c;printf(%d,min );10:main()int m,n,x;scanf(%d,%d,%d,&m,&n,&x);if(x%n=0&x%m=0)&(n%x=0&m%x=0)printf(,n);else if(x%n=0&x%m=0)printf(n);else if(n%x=0&m%x=0)printf(n);elseprintf(,n);11:#include math.hmain()int a,b;scanf(%d,%d,&a,&b);if(sqrt(a*a+b*b)15)printf(in);else if(sqrt(a*a+b*b)=15)printf(on);elseprintf(out);12:#includestdio.hmain()char ch;int m;ch=getchar() ;switch(ch)case 1:scanf(%d,&m);printf(1): 10 to 16- %x,m); break;case 2 :scanf(%d,&m);printf(2):10 to 8-%o,m);break;case 3:scanf(%o,&m);printf(3):8 to 10-%d,m) ; break;case 4 : printf(quit);4sn=sn+tntn=tn+a51main()int i,j,k,m;for(i=100;i=999;i+)j=i/100;k=i/10-j*10;m=i%10;if(i=j*j*j+k*k*k+m*m*m)printf(%5d,i);2main()int i,j,k,n,m;for(i=1;i=9;i+)for(j=0;j=9;j+)for(k=0;k=9;k+)m=i*100+j*10+k;n=i*i*i+j*j*j+k*k*k;if(m=n)printf(%5d,m);6a=a+bb=a-b7#include stdio.hmain()int i;for(i=1;i100;i+)if(i*i%10=i|i*i%100=i)printf(%3d,i);#include stdio.hmain()int i;clrscr();for(i=1;i1000;i+)if(i*i%10=i|i*i%100=i|i*i%1000=i)printf(%6d,i);10i%a(m=i )11main()int i,j,k;for(i=1;i=4;i+)for(j=1;j=4-i;j+)printf( );for(k=1;k=2*i-1;k+)printf( *);printf(n);for(i=1;i=3;i+)for(j=1;j=i;j+)printf( );for(k=1;k=7-2*i;k+)printf( *);printf(n);12break;(k%m=0&k%n=0)13break;continue;15main()int i,j;for(i=1;i=9;i+) for(j=1;j=i;j+)printf(%d*%d=%2d ,i,j,i*j);printf(n);16main()int i,j;for(i=1;i=6;i+)for(j=1;j=6-i;j+) printf( );for(j=1;j=1;j-) printf(%2d,j);printf(n);17#include#includemain()int magic,num;int count;srand(time(0);magic=rand();count=0;while(1)printf(please guess the num:n);scanf(%d,&num);count+;if(nummagic) printf(big);else if(nummagic) printf(small);else printf(right);printf(count=%d,count);break;getch();18main()int i,j,n,m;for(i=0;i=9;i+)for(j=0;j=9;j+)if(i!=j)m=i*1100+j*11;for(n=1;n=99;n+)if(m=n*n) printf(%d,m);5s1i=06s1i!=0&s2i!= 0s1i-s2i800xi9:main()int num,sum=0,min=1000,max=0,grade11;for (num=1;numgradenum) min=gradenum;if(maxgradenum) max=gradenum;printf(aver=%dn,sum/10);printf(min=%d max=%dn,min,max);10main()int a20,m,n,k,h,i,j;m=n=k=h=0;for(i=0;i20;i+)scanf(%f,&ai);switch(ai/10)case 10:case 9:case 8:m+;break;case 7:n+;break;case 6:k+;break;default:h+;printf(m=%d,n=%d,k=%d,h=%dn,m,n,k,h);printf(0 - 59: );for(j=0;jh;j+)printf(* );printf(n);printf(60 - 69: );for(j=0;jk;j+)printf(* );printf(n);printf(70 - 79: );for(j=0;jn;j+)printf(* );printf(n);printf(80 - 100: );for(j=0;jm;j+)printf(* );printf(n);#include stdio.hmain()int i,j,a4=0,score21;char s420=0-59: ,60-69: ,70-79: ,80-100: ;for(i=1;i=80) a0+;else if(scorei=70) a1+;else if(scorei=60) a2+;else a3+;for(j=0;j4;j+)printf(%s,sj);for(i=0;iaj;i+)printf(*);printf(n);11main()int i,j,temp,a55;clrscr();for (i=0;i5;i+)scanf(%d,&a0i);for (i=1;i5;i+)temp=ai-10;for (j=0;j4;j+)aij=ai-1j+1;ai4=temp;for (i=0;i5;i+)for (j=0;j5;j+)printf(%d ,aij);printf(n);#include stdio.hmain()int a5=3,6,2,9,1;int i,j;for(i=0;i5;i+)for(j=0;j5;j+)printf(%d,a(i+j+4)%5);printf(n);12main()int a10,i,j,min;for (i=0;i10;i+)scanf(%d,&ai);min=a0;for (i=0;iai)min=ai;j=i;for (i=j;i0;i-)ai=ai-1;a0=min;for(i=0;i10;i+)printf(%d ,ai);13:main()long n,a5,i,j;for(i=95960;i100000;i+) n=i;for(j=0;j5;j+) aj= n%10;n=n/10;if(a0=a4&a1=a3)break;printf(%10ld sudu=%10ld,i,(i-95859)/2);main()long int i;int a5;i=95859;while(1)i+;a0=i/10000;a1=i/1000-a0*10;a2=i/100-a0*100-a1*10;a3=i/10-a0*1000-a1*100-a2*10;a4=i%10;if(a0=a4&a1=a3) break;printf(%ld,i);14:main()int a55,min,k,i,j;for(i=0;i5;i+)for(j=0;j5;j+)scanf(%d,&aij);min=a00;for(i=1;i5;i+)if(aiimin) min=aii;k=i;if(min=a00) k=0;printf(min=a%d%d=%d,k,k,min);15#include stdio.hmain()char s20;int i,j;printf(input a line letter:n);gets(s);for(i=0;si!=0;i+)if(si= )for(j=i;sj!=0;j+)sj=sj+1;puts(s);#include stdio.hmain()int i,j;char a80,b80;gets(a);i=0;j=0;while(ai!=0)(if(ai!= ) bj=ai;j+;i+;bj=0;puts(b);1 h=hcf(u,v); l=lcd(u,v,h);2 if(prime(n)3 return(s);4 long fun(int a,int n)return(s);printf(the value is:%dn,fun (a,n);6 gets(str);inverse(str);puts(str);7 void concatenate(char string1,char string2)int j,i=0;for(j=strlen(string1);string2i!=0;i+)string1j+=string2i;string1j=0;8 int guashu(int day)if(day=10)return(1);else return(2*guashu(day+1)+1);9 ajk=(j+1)*(k+1);fun(a,m);10int fun(int a )int b,c,d,flag=0;b=a/100;c=a/10-b*10;d=a%10;if(a=b*b*b+c*c*c+d*d*d)flag=1;return(flag);main()int i;clrscr();for(i=100;i=999;i+)if(fun(i)printf(%5d,i);11int fun(int m)int i,a=1;for(i=1;i=m;i+)a*=i;return(a);main()int c,m,n;scanf(%d,%d,&m,&n);c=fun(m)/(fun(n)*fun(m-n) ;printf(%d,c);12#includeint fun(int x) int i,flag=1;for(i=2;i=x/2&flag=1;i+)if(x%i=0) flag=0;return(flag);main()int a,b,c,d,i,j;print