面试经典程序题目有1、234个数字能组成多少互不相同且无重复的

经典c程序100==1--1{inti,j,k; for{if(i!=k&&i!=j&&j!=k) /*i、j、k*/}}210016810100268#include"math.h"{longintfor{x=sqrt(i+100); /*x为加上100后开方后的结果*/ /*y为再加上168后开方后的结果*/}}3xxyx>yxy然后再用xzx>zxzx{intif(x>y){t=x;x=y;y=t;}*x,y*/{t=z;z=x;x=t;}/*x,z*/{t=y;y=z;z=t;}/*z,y*/printf("smalltobig%ddd\n",x,y,z);}4#include"stdio.h"{inti,j,result;for{{}}}53{longf1,f2;inti;{printf("%12ldif(i%2==0)printf("\n");/*控制输出，每行四个*/f1=f1+f2;/*前两个月加起来赋值给第三个月*/f2=f1+f2;/*前两个月加起来赋值给第三个月*/}}62sqrt(这个数)，如果能被整除，#include"math.h"{intm,i,k,h=0,leap=1;{k=sqrt(m+1);if(leap){printf("%-4d",m);h++;}}printf("\nThetotalis}7{intprintf("'waterflower'numberis:");{{}}}8程序分析：对nk，然后按下述步骤完成：(1)n，则说明分解质因数的过程已经结束，打印出即可。n<>knkknknkk+1k/*zhengintisdividedyinshu*/{intprintf("\npleaseinputanumber:\n");{{{printf("%d*",i);}}}9题目：利用条件运算符的嵌套来完成此题：学习成绩>=90A，60-89用B60C{intscore;charprintf("pleaseinputascore\n");printf("%dbelongsto%c",score,grade);}10题目：输入两个正整数mn{inta,b,num1,num2,temp;printf("pleaseinputtwonumbers:\n");{temp=num1;}{}}11#include"stdio.h"{charintletters=0,space=0,digit=0,others=0;printf("pleaseinputsomecharacters\n");{elseif(c=='')elseif(c>='0'&&c<='9')}printf("allinall:char=%dspace=%ddigit=%dothers=%d\n",letters,}12题目：求s=a+aa+aaa+aaaa+aa...a的值，其中a是一个数字。例如2+22+222 {inta,n,count=1;longintsn=0,tn=0;printf("pleaseinputaandn\n");{}}136=1＋2＋3.编程1000{staticintk[10];inti,j,n,s;{n=-{{}}{printf("%disawanshu",j);}}}14第二天早上又将剩下的桃子一半，又多吃了一个。以后每天早上都吃了前一天剩下10{intday,x1,x2;{x1=(x2+1)*2;/*212*/day--}printf("thetotalis}15{intn,t,number=20;floata=2,b=1,s=0;{}printf("sumis}16{floatn,s=0,t=1;{}}17#include"stdio.h"{intintfact();}intfact(j)intj;{intreturnsum;}18#include"stdio.h"{intvoidpalin(intn);}voidpalin(n)intn;{charnext;{}{}}19512321main(){longge,shi,qian,wan,x;if(ge==wan&&shi==qian)/*个位等于万位并且十位等于千位*/printf("thisnumberisahuiwen\n");printf("thisnumberisnota}20题目：Pressanykeytochangecolor,doyouwanttotryit.Pleasehurry#include<conio.h>voidmain(void){intfor(color=0;color<8;{cprintf("Thisiscolor%d\r\n",color);cprintf("Pressanykeytocontinue\r\n");}}21题目：学习gotoxyclrscr()#include<conio.h>voidmain(void){gotoxy(15);/*定位函数*/cprintf("Outputatrow5column1\n");gotoxy(20,cprintf("Outputatrow10column}22#include<stdio.h>voido_world(void){printf("o,}voidthree_{intfor(counter=1;counter<=3;}void{}23#include<stdio.h>#include"math.h"#defineN101{intfor(i=2;i<N;i++)a[i]=i;{{}}24#defineN10{int/*inputprintf("pleaseinputtennum:\n");{/*sorttennum*/if(a[min]>a[j])min=j;}/*outputdata*/printf("Aftersorted\n");}}25{intinttemp1,temp2,number,end,i,j;printf("originalarrayis:\n");printf("insertanewnumber:");{}}}}}26#defineN5{inta[N]={9,6,5,4,1},i,temp;printf("\noriginalarray:\n");}printf("\nsortedarray:\n");}27&程序分析：0&0=0;0&1=0;1&0=0;#include"stdio.h"{inta,b;printf("\40:Thea&b(decimal)is%d\n",b);printf("\40:Thea&b(decimal)is%d}28|程序分析：0|0=0;0|1=1;1|0=1;#include"stdio.h"{inta,b;printf("\40:Thea&b(decimal)is%d\n",b);printf("\40:Thea&b(decimal)is%d}29^程序分析：0^0=0;0^1=1;1^0=1;#include"stdio.h"{inta,b;printf("\40:Thea&b(decimal)is%d\n",b);printf("\40:Thea&b(decimal)is%d}30题目：取一个整数a4～7a4410~(~0<<4){unsigneda,b,c,d;}31程序分析：~0=1;#include"stdio.h"{inta,b;printf("\40:Thea's1complement(decimal)is%d\n",b);printf("\40:Thea's1complement(hexidecimal)is%x}经典c程序10061--32

1 {intint

1010 }}333a,b,c{intint*pointer1,*pointer2,*pointer3;printf("pleaseinput3number:n1,n2,n3:");if(n1>n2)swap(pointer1,pointer2);if(n1>n3)swap(pointer1,pointer3);if(n2>n3)printf("thesortednumbers}int{intp;}34{intnumber[10];}intnumber[10];{inti;}int{int*max,*min,k,l;int*p,*arr_end;if(*p>*max)max=p;elseif(*p<*min)min=p;}int{int*p;}35{intcharprintf("pleaseinputastring:\n");printf("thestringhas%d}char*p;{intn;{}return}36题目：编写input()output5#defineN5struct{charnum[6];charname[8];int}stu[N];structstudent{inti,j;{printf("\npleaseinput%dof%d\n",i+1,N);printf("num:");printf("name:");{printf("score}}}structstudent{intprintf("\nNo.NameSco1Sco2Sco3\n");{printf("%-6s%-10s",stu[i].num,stu[i].name);}}{}37/*creatalist*/#include"stdlib.h"#include"stdio.h"structlist{intdata;structlist*next;typedefstructlistnode;typedefnode*link;void{linkptr,head;intnum,i;printf("pleaseinput5numbers==>\n");{if(i==4)ptr->next=NULL;elseptr=ptr-}{printf("Thevalueis==>%d\n",ptr->data);}}38/*reverseoutputalist*/#include"stdlib.h"#include"stdio.h"structlist{intstructlisttypedefstructlistnode;typedefnode*link;void{linkintnum,i;printf("\npleaseinput5data==>\n");{}{printf("Thevalueis==>%d\n",ptr->data);39#include"stdlib.h"#include"stdio.h"structlist{intdata;structlist*next;typedefstructlistnode;typedefnode*link;linkdelete_node(linkpointer,link{if(tmp==NULL)/*deletefirstnode*/returnpointer->next;{if(tmp->next->next==NULL)/*deletelastnode*/else/*deletetheothernode*/return}}voidselection_sort(linkpointer,int{linktmp,btmp;inti,min;{{if(min>tmp->next-}}printf("\40:%d\n",min);}}linkcreate_list(intarray[],int{linktmp1,tmp2,pointer;inti;{tmp2=(link)malloc(sizeof(node));}return}linkconcatenate(linkpointer1,link{linktmp;returnpointer1;}void{intlinkptr;}40{inti,n;{printf("zhuhaoshide}}41{char*s[]={"man","woman","girl","boy","sister"};char**q;intk; }}42#defineN4#include"stdio.h"staticstructman{charname[20];intage;}[N]={"li",18,"wang",19,"zhang",20,"sun",22};{structman*q,*p;inti,m=0;for}43{char*p,s[6];intn;}44{longsum=4,s=4;intj;