全国计算机等级考试三级南开C语言上机100题答案讲解学习.doc

《全国计算机等级考试三级南开C语言上机100题答案讲解学习.doc》由会员分享，可在线阅读，更多相关《全国计算机等级考试三级南开C语言上机100题答案讲解学习.doc（37页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、Good is good, but better carries it.精益求精，善益求善。全国计算机等级考试三级南开C语言上机100题答案-*三级c语言机试答案（南开100题打印版）*第1题voidnum(intm,intk,intxx)intdata=m+1;inthalf,n=0,I;while(1)half=data/2;for(I=2;Ihalf)xxn=data;n+;if(n=k)break;data+;*第2题voidjsVal()intbb4;intI,j,k,flag;for(I=0;I200;I+)bb0=aI/1000;bb1=aI%1000/100;bb2=aI%10

2、0/10;bb3=aI%10;for(j=0;j4;j+)if(bbj%2=0)flag=1;elseflag=0;break;if(flag=1)bcnt=aI;cnt+;for(I=0;Icnt-1;I+)for(j=I+1;jcnt;j+)if(bIbj)k=bI;bI=bj;bj=k;*第3题voidStrOR(void)intI,j,k,index,strl;charch;for(I=0;Imaxline;I+)strl=strlen(xxI);index=strl;for(j=0;jstrl;j+)if(xxIj=o)for(k=j;k=index;j-)ch=xxIstrl-1;

3、for(k=strl-1;k0;k-)xxIk=xxIk-1;xxI0=ch;*第4题voidStrOL(void)intI,j,k,strl,l;charc;for(I=0;Imaxline;I+)for(j=0;j=A&c=a&c=z)|c=);elsexxIj=;for(l=0;l=a&xxlI=A&xxlI=0)for(j=k;j=0;j-)ppj+1=ppj;pp0=xxlI;k+;I-;strcat(ch,pp);strcpy(pp,);k=1;if(I=-1)break;while(xxlIz)&I=0)for(j=k;j=0;j-)ppj+1=ppj;pp0=xxlI;k+;I

4、-;strcat(ch,pp);strcpy(pp,);k=0;if(I=-1)break;strcpy(xxl,ch);*第5题voidjsSort()intI,j,data;for(I=0;I199;I+)for(j=I+1;jaaj%1000)data=aaI;aaI=aaj;aaj=data;elseif(aaI%1000=aaj%1000)if(aaIaaj)data=aaI;aaI=aaj;aaj=data;for(I=0;I10;I+)bbI=aaI;*第6题voidjsSort()intI,j,data;for(I=0;I199;I+)for(j=I+1;j200;j+)if(

5、aaI%1000aaj)data=aaI;aaI=aaj;aaj=data;for(I=0;I10;I+)bbI=aaI;*第7题voidSortDat()intI,j;PROxy;for(I=0;I99;I+)for(j=I+1;j100;j+)if(strcmp(sellI.dm,sellj.dm)0)xy=sellI;sellI=sellj;sellj=xy;elseif(strcmp(sellI.dm,sellj.dm)=0)if(sellI.jesellj.je)xy=sellI;sellI=sellj;sellj=xy;*第8题voidencryptChar()intI;char*

6、pf;for(I=0;I130|*pf*11%256=32);else*pf=*pf*11%256;pf+;*第9题voidSortCharD(void)intI,j,k,strl;charch;for(I=0;Imaxline;I+)strl=strlen(xxI);for(j=0;jstrl-1;j+)for(k=j+1;kstrl;k+)if(xxIjxxIk)ch=xxIj;xxIj=xxIk;xxIk=ch;*第10题voidConvertCharA(void)intI,j,str;for(I=0;Imaxline;I+)str=strlen(xxI);for(j=0;j=a&xxI

7、j=a&*s=A&*s=Y)*s+=1;s+;elses+;*第12题voidSortDat()intI,j;PROxy;for(I=0;I99;I+)for(j=I+1;j0)xy=sellI;sellI=sellj;sellj=xy;elseif(strcmp(sellI.mc,sellj.mc)=0)if(sellI.jesellj.je)xy=sellI;sellI=sellj;sellj=xy;*第13题voidSortDat()intI,j;PROxy;for(I=0;I99;I+)for(j=I+1;j0)xy=sellI;sellI=sellj;sellj=xy;elseif(

8、strcmp(sellI.mc,sellj.mc)=0)if(sellI.jesellj.je)xy=sellI;sellI=sellj;sellj=xy;*第14题voidjsVal()intI,j,flag=0;intk;for(I=0;IMAX-5;I+)for(j=I+1;jaj)flag=1;elseflag=0;break;if(aI%2=0)flag=0;if(flag=1)bcnt=aI;cnt+;for(I=0;Icnt-1;I+)for(j=I+1;jbj)k=bI;bI=bj;bj=k;*第15题voidjsVal()intI,j;inta1,a2,a3,a4,k;for

9、(I=0;IMAX;I+)a1=aI/1000;a2=aI%1000/100;a3=aI%100/10;a4=aI%10;if(a1=a2)&(a2=a3)&(a3=a4)&(aI%2=0)bcnt=aI;cnt+;for(I=0;Icnt-1;I+)for(j=I+1;jbj)k=bI;bI=bj;bj=k;*第16题voidStrCharJR(void)intI,j,strl;for(I=0;Imaxline;I+)strl=strlen(xxI);for(j=0;j4;*第17题voidChA(void)intI,j,k,str;charch;for(I=0;Imaxline;I+)st

10、r=strlen(xxI);ch=xxI0;for(j=0;jstr-1;j+)xxIj+=xxIj+1;xxIstr-1+=ch;for(j=0,k=str-1;jstr/2;j+,k-)ch=xxIj;xxIj=xxIk;xxIk=ch;*第18题voidencryptChar()intI;char*pf;for(I=0;Imaxline;I+)pf=xxI;while(*pf!=0)if(*pf%2=0|*pf*11%256=32);else*pf=*pf*11%256;pf+;*第19题intfindStr(char*str,char*substr)intn;char*p,*r;n=0

11、;while(*str)p=str;r=substr;while(*r)if(*r=*p)r+;p+;elsebreak;if(*r=0)n+;str+;returnn;*第20题intjsValue(intt)intf1=0,f2=1,fn;fn=f1+f2;while(fn=t)f1=f2;f2=fn;fn=f1+f2;returnfn;*第21题floatcountValue()floatx0,x1=0.0;while(1)x0=x1;x1=cos(x0);if(fabs(x0-x1)1e-6)break;returnx1;*第22题doublecountValue(intn)doubl

12、exy=0.0;intI;for(I=1;In;I+)if(I%3=0&I%7=0)xy+=I;xy=sqrt(double)xy);returnxy;*第23题voidCalValue()intI;doublex,sum=0;for(I=0;IMAXNUM;I+)sumint=sumint+(int)xxI;x=xxI-(int)xxI;sumdec=sumdec+x;sum=sum+xxI;aver=sum/MAXNUM;*第24题intjsValue(intbb)intI,j,k=0;inthun,ten,data;for(I=100;I=999;I+)j=10;while(j*j=I)

13、if(I=j*j)hun=I/100;data=I-hun*100;ten=data/10;data=data-ten*10;if(hun=ten|hun=data|ten=data)bbk=I;k+;j+;returnk;*第25题intjsValue(longn)intI,strl,half;charxy20;ltoa(n,xy,10);strl=strlen(xy);half=strl/2;for(I=0;I=half)return1;elsereturn0;*第26题voidCalValue(void)intI,data;for(I=0;I0)totNum+;data=xxI1;if(

14、data%2=0)totCnt+;totPjz+=xxI;totPjz/=totCnt;*第27题voidjsValue()intI,thou,hun,ten,data,j;for(I=0;I0)bcnt=aI;cnt+;for(I=0;Icnt-1;I+)for(j=I+1;jbj)data=bI;bI=bj;bj=data;*第28题voidjsVal()intI,thou,hun,ten,data,j;intab,cd;for(I=0;I=0&(ab-cd)=10&ab%2=1&cd%2=1&ab!=0&cd!=0)bcnt=aI;cnt+;for(I=0;Icnt-1;I+)for(j

15、=I+1;jcnt;j+)if(bIbj)data=bI;bI=bj;bj=data;*第29题voidjsVal()intI,thou,hun,ten,data,j;intab,cd;for(I=0;I=10&(ab-cd)=20&ab%2=0&cd%2=0&ab!=0&cd!=0)bcnt=aI;cnt+;for(I=0;Icnt-1;I+)for(j=I+1;jcnt;j+)if(bIbj)data=bI;bI=bj;bj=data;*第30题voidjsVal()intI,j,flag=0;for(I=0;IMAX-5;I+)for(j=I+1;j=I+5;j+)if(aIaj)fla

16、g=1;elseflag=0;if(aI%2!=0)flag=0;if(flag=0)break;if(flag=1)bcnt=aI;cnt+;for(I=0;Icnt-1;I+)for(j=I+1;jbj)flag=bI;bI=bj;bj=flag;*第31题voidSortDat()intI,j;PROxy;for(I=0;I99;I+)for(j=I+1;j100;j+)if(sellI.jesellj.je)xy=sellI;sellI=sellj;sellj=xy;elseif(sellI.je=sellj.je)if(strcmp(sellI.dm,sellj.dm)0)xy=se

17、llI;sellI=sellj;sellj=xy;*第32题voidSortDat()intI,j;PROxy;for(I=0;IMAX-1;I+)for(j=I+1;jMAX;j+)if(strcmp(sellI.mc,sellj.mc)sellj.je)xy=sellI;sellI=sellj;sellj=xy;*第33题intReadDat(void)FILE*fp;intI,j;if(fp=fopen(IN.DAT,r)=NULL)return1;for(I=0;I100;I+)for(j=0;j10;j+)fscanf(fp,%d,&xxI*10+j);fscanf(fp,n);if

18、(feof(fp)break;fclose(fp);return0;voidCompute(void)intI,yyMAX;for(I=0;I1000;I+)if(xxI%2)odd+;ave1+=xxI;elseeven+;ave2+=xxI;yyeven-1=xxI;ave1/=odd;ave2/=even;for(I=0;Ieven;I+)totfc+=(yyI-ave2)*(yyI-ave2)/even;*第34题voidcountValue()intI,j,half,hun,ten,data;for(I=101;I1000;I+)hun=I/100;ten=I%100/10;data

19、=I%10;if(hun=(ten+data)%10)half=I/2;for(j=2;j=half)cnt+;sum+=I;*第35题voidjsValue()inta1=1,a2=1,n=1,an;intsum0,sum;sum0=a1+a2;while(1)an=a1+a2*2;sum=sum0+an;a1=a2;a2=an;n+;if(sum0100)b0=n;if(sum01000)b1=n;if(sum010000)b2=n;break;sum0=sum;*第36题voidencryptChar()intI;char*pf;for(I=0;I=0&*pf*11%256=9)|*pf

20、*11%256=32)pf+;continue;*pf=*pf*11%256;pf+;*第37题voidencryptChar()intI;char*pf;for(I=0;I=A&*pf=Z)|*pf*11%256=32)pf+;continue;*pf=*pf*11%256;pf+;*第38题voidSortDat()intI,j;PROxy;for(I=0;IMAX-1;I+)for(j=I+1;j0)xy=sellI;sellI=sellj;sellj=xy;elseif(strcmp(sellI.dm,sellj.dm)=0)if(sellI.jesellj.je)xy=sellI;s

21、ellI=sellj;sellj=xy;*第39题voidCountRs(void)intI,j=0,k=0;char*str;for(I=0;I10;I+)yyI=0;for(I=0;I100;I+)str=xxI;j=0;while(*str)if(*str=1)j+;str+;elsestr+;if(j!=0&j!=10)str=xxI;k=0;while(*str)if(*str+=1)yyk+=1;elsek+;*第40题voidCalValue()intI,thou,hun,ten,data;intab,sum=0;for(I=0;I0)totNum+;thou=xxI/1000;

22、hun=xxI%1000/100;ten=xxI%100/10;data=xxI%10;ab=thou+hun+ten+data;if(ab%2=0)totCnt+;sum=sum+xxI;totPjz=sum/totCnt;*第41题voidcountValue()intI=100;while(1)if(3*I%2=0&3*I/2=1000&3*I/2999|3*I/29999)break;*第42题voidSortDat()intI,j;PROxy;for(I=0;I99;I+)for(j=I+1;j100;j+)if(strcmp(sellI.mc,sellj.mc)0)xy=sellI

23、;sellI=sellj;sellj=xy;elseif(strcmp(sellI.mc,sellj.mc)=0)if(sellI.jesellj.je)xy=sellI;sellI=sellj;sellj=xy;*第43题voidjsSort()intI,j,k,strl;charch;for(I=0;I20;I+)strl=strlen(xxI);for(j=1;jstrl-2;j=j+2)for(k=j+2;kxxIk)ch=xxIj;xxIj=xxIk;xxIk=ch;*第44题voidjsSort()intI,j,k,strl,half;charch;for(I=0;I20;I+)s

24、trl=strlen(xxI);half=strl/2;for(j=0;jhalf-1;j+)for(k=j+1;khalf;k+)if(xxIj=0;j-,k-)ch=xxIj;xxIj=xxIk;xxIk=ch;*第45题voidjsVal()intI,j,flag=0;for(I=5;IMAX-5;I+)for(j=I-5;jaj)flag=1;elseflag=0;if(aI%2!=0)flag=0;if(flag=0)break;if(flag=1)bcnt=aI;cnt+;for(I=0;Icnt-1;I+)for(j=I+1;jcnt;j+)if(bIbj)flag=bI;bI=

25、bj;bj=flag;*第46题voidjsVal()intI,j,flag=0;for(I=5;IMAX-5;I+)for(j=I-5;jaj)flag=1;elseflag=0;break;if(flag=1&aI%2=1&aI%7=0)bcnt=aI;cnt+;for(I=0;Icnt-1;I+)for(j=I+1;jcnt;j+)if(bIbj)flag=bI;bI=bj;bj=flag;*第47题voidSortDat()intI,j;PROxy;for(I=0;IMAX-1;I+)for(j=I+1;jMAX;j+)if(sellI.je0)xy=sellI;sellI=sellj

26、;sellj=xy;*第48题voidjsValue()intI,thou,hun,ten,data,j;for(I=0;I300;I+)thou=aI/1000;hun=aI%1000/100;ten=aI%100/10;data=aI%10;if(thou+data=hun+ten)bcnt=aI;cnt+;for(I=0;Icnt-1;I+)for(j=I+1;jbj)data=bI;bI=bj;bj=data;*第49题voidjsValue()intI,thou,hun,ten,data,n=0;for(I=0;I0)cnt+;pjz1+=aI;elsen+;pjz2+=aI;pjz1/=cnt;pjz2/=n;*第50题voidjsSort()intI,j,k,strl,half;charch;for(I=0;I2