天津大学C++期末考试样卷及答案.pdf

C++.(120)1C++。BA.CB.CPPC.DLLD.EXE2.C++CAAC''D03constintB=6;inta[12];AAB+=3;Ba[5]=B+3;Cintx[B+3];Da[B+3]=25;4.abintb0,a-a/b*bC。A)0B)aC)abD)ab5.inta=5,b=6,c=7;BA)0,0B)0,7C)1,0D)176.CA#BCD7.int4intx[10]={0,2,4};sizeof(x)CA)3B)12C)40D)108.C++ABCCD9.A)B)C)D)10.AA)B)C)0D)11inta[3][4],*p=a[0];a[i][j]AA)*(a+i+j)B)*(*(a+i)+j)C)*(a[i]+j)D)p[4*i+j]12publicDA)B)privateC)protectedD)public13inta=3,*p=&a;*pD。A)aB)C)pD)314inti=5,f=15;if(i=O)f-=5;ifC。A)515B)510C)015D)01015int*p;newCA)p=newa[10];B)*p=newint[10];C)p=newint[10];D)p=newint[5]={1,2,3,4,5,6};16CA)B)C)D)17k(k0)2k+1-1B。A)B)C)D)186frontrear35frontrearDA50B47CD4119CC)D)AB)20BA)B)C)D)4201.#include<iostream.h>voidmain(){inta[8]={12,25,33,5,8,16,51,22},i;int*p=a;for(i=0;i<4;i++)cout<<*(p+i*2)<<endl;}12338512#include<iostream.h>intfun(){staticintd2=0,d1=1;intt=d2+d1;d1=d2;d2=t;returnd2;}voidmain(){for(inti=0;i<6;i++)cout<<fun()<<cout<<endl;}1123583#include<iostream.h>classA{public:A(){a=b=10;}A(inti,intj){a=i;b=j;}voidoperator+=(constA&x){a+=x.a;b+=x.b;}voidprint();private:inta,b;};Am,n(15,18);m.print();n.print();m+=n;m.print();n.print();}a=10,b=10a=15,b=18a=25,b=28a=15,b=184#include<iostream.h>voidmain(){intx=3,y=3;switch(x%2){case1:switch(y%x){}}}firstsecondthird5#include<iostream.h>#include<string.h>voidfun(char*str){chart;inti,j;for(i=1;i<strlen(str);i++){t=str[i];for(j=i-1;j>=0&&t<str[j];j--)str[j+1]=str[j];str[j+1]=t;}}voidmain(){fun(s);cout<<s<<endl;}ABCDEF6.#include<iostream.h>classpoint{private:intx,y;public:point(intx1=0,inty1=0){x=x1;y=y1;}virtualvoidmove(intx1,inty1){y+=y1;x+=x1;virtualvoiddisp(){}};classline:publicpoint{private:intxx,yy;public:line(intx1,inty1,intx2,inty2):point(x1,y1){xx=x2;yy=y2;}voidmove(intx1,inty1){point::move(x1,y1);xx+=x1;yy+=y1;}voiddisp(){point::disp();}};voidmain(){linel(2,4,6,8);pointp(l),*pp=&l;p.move(3,3);pp->move(4,4);p.disp();cout<<endl;pp->disp();cout<<endl;}(5,7)(6,8)-(10,12)Pressanykeytocontinue2321.120120x20data.txt#include<fstream.h>#include<math.h>voidmain(){intx[20],i;x[0]=0;x[1