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1、C+语言程序设计自检自测题（三）及答案一、给出下列程序运行后的输出结果1#includevoid main()int s1=0,s2=0;for(int i=0;i10;i+)if(i%2)s1+=i;else s2+=i;couts1 s2endl;2.#includevoid main()int a8=8,19,26,15,6,24,27,18;int i2=0,i3=0;for(int i=0;i8;i+)if(ai%2=0)i2+;else if(ai%3=0)i3+;couti2 i3endl;3.#includevoid main()int a34=1,2,7,8,5,6,11,1
2、2,9,20,3,4;int m=a00;int ii=0,jj=0;for(int i=0;i3;i+)for(int j=0;jm)m=aij;ii=i;jj=j;coutii jj aiijjendl;4.#includevoid main()int a=10,b=15;couta bendl;a*=3;int b=a+20;couta bendl;couta bendl;5.#includevoid main()int x=20,y=40,*p;p=&x;cout*p ;*p=x+10;p=&y;cout*pendl;*p=y+20;coutx yendl;6.#includevoid
3、 SB(char ch)switch(ch)case A:casea :cout” well!” ;break;case B:caseb :cout” good! ” ;break;case C:casec :cout” pass!” ;break;default:cout” bad! ”;break;coutendl;void main()char a6=” Abcaf ” ;for(int i=0;ai;i+)SB(ai);7.#includevoid main()int a8=36,25,48,14,55,40,72,40;int b1,b2;b1=b2=a0;for(int i=1;i
4、b1)if(b1b2)b2=b1;b1=ai;coutb1 b2endl;8.#includevoid main()int a8=3,5,7,9,11,13,15,17;int *p=1;for(int i=0;i8;i+)coutsetw(5)*p+;if(i+1)%3=0)coutendl;9.#includevoid LG(int* & a,int& m)a=new int m;int *p=a;for(int i=0;im;i+)*p+=i*i;void main()int *b,n=5;LG(b,n);for(int i=0;in;i+)coutbn-i-1 ;coutendl;de
5、leteb;10.#include#includestruct Workerchar name5;#includevoid main()int s=0;for(int i=1;i=5;i+)s+=i*i;cout” s=” sendl;12.#includevoid main()int s=0;for(int i=1;i+)if(s50)break;if(i%2=0)s+=i;cout ” i,s= ”i ” , ” sendl;13.#includeint LB(int *a,int n)int s=1;for(int i=0;in;i+)s*=*a+;return s;void main(
6、)int a=1,2,3,4,5,6,7,8;coutLB(a,5) LB(&a3,3) ;coutLB(a+2,4)endl;14.#includestruct Workerchar name15;#includebool SG(int x)ameai.ageai.pay;4.#include#includevoid JD(char *fname)#includevoid WA(int a,int n)for(int i=0;in-1;i+)int k=i;for(int j=i+1;jn;j+)if(ajak)k=j;int x=ai;ai=ak;ak=x;7.#includevoid L
7、I(int n)int *a=new intn;for(int i=0;iai;for(i=n-1;i=0;i-)cout*(a+i)cout n ;delete a; ;8.#include#include#includevoid JA(char *fname)int WC(int a,int n,int k)int c=0;for(int i=0;i=k)c+;return c;10.#includeint *LJ(int a,int n)int k=0;for(int i=1;iak)k=i;return &ak;11.#include#include#includeint JB(char *fname,char *key)int FF(int a,int n)if(n=1)return an-1*an-1;else return an-1*an-1+FF(a,n-1);3.void SelectSort(int a,int n)int i,j,k;for(i=1;in;i+)k=i-1;for(j=i;jn;j+)if(ajak)k=j;int x=ai-1;ai-1=ak;ak=x;