天津大学C+ + 计算机软件技术基础 重修班考试题目(2011.doc

天津大学C+ + 计算机软件技术基础 重修班考试题目（2011年5月）1、#include class Mprivate:int A; static int B;public:M(int x)A=x; B+=x;void f1( );void M:f1( ) coutA=AtB=Bendl; int M:B=0;void main( ) M P(1); P.f1( ); M Q(2); Q.f1( ); P.f1( ); 2、#include int f(char *p,char *t)int n=0;while(*p!=0)if(*p=a&*p=0&*p=9)n+;p+;*t=0;return n;void main() char s1=hs6sGGtts,s220; int k; k=f(s1,s2); couts1 s2 kendl; 3、#includeint fun(char *str, char ch)int k=0; for(int i=strlen(str)-1; i=0; i- ) if( stri=ch ) k=i+1; break; return k; 4、#include void del(int a,int t1,int t2,int &n)int *p=a;for(int i=0;i=t1&ai=t2) *p+=ai;n=p-a;void main()int x10=.,num=10;del(x,4,30,num);for(int i=0;inum;i+)coutxi” “;coutendl; 5、#include int fx(int a) int x, b; b=a%10; a/=10; x=a ; while( a!=0 ) b*=10; a/=10; x+=b; return x ; void main( ) int x=123; coutfx(x) endl;6、#include int fun(int *x , int *y);void main( ) int x6=.,y6,n,i; n=fun(x,y) ;cout能被2整除的个数:n; for(i=0;in;i+) coutyi ;int fun(int x,int y) int i, k=0; for(i=0;i6;i+)if(xi%2=0) yk+=xi; return k;7、#include class Base public: Base(int i)a=i;coutBase构造函数n; void print( )couta=a,; int Geta( )return a; private: int a; ; class Derived: public Base public: Derived(int i, int j, int k); void print( ); private: int b; Base Ba; ; Derived:Derived(int i,int j,int k):Base(i), Ba(j),b(k) coutDerived构造函数n; void Derived:print( ) Base:print( ); coutbBa.Geta()endl; void main( ) Derived d1(1,2,3); d1.print( ); 8、#include class circle double a,b,c;public: circle(double x)r=x; void f1( ) b=2*3.1415*a; c=3.1415*a*a; void print( ); ; void circle:print( )coutabcr1;circle y1(r1);y1.f1( ); y1.print( );9、 #include #include void main( ) int a10,s=0,i; float aver; ofstream aa(qq.txt,ios:out); for(i=0; iai; s+=ai; aver=s/10.0; for(i=0;i10;i+) outfile ai ;aa saverendl; aa.close( ); 简答题：1、 线性表、栈、队列优缺点，异同2、 完全二叉树找双亲、子女3、 先