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£ £ (44) ÒÔϳÌÐòµÄÊä³ö½á¹ûÊÇ
£ £ struct HAR
£ £ { int x, y; struct HAR *p;} h[2];
£ £ main()
£ £ { h[0],x=1;h[0];y=2;
£ £ h[1],x=3;h[1];y=4;
£ £ h[0],p=&h[1],p=h;
£ £ printf(¡°%d %d \n¡±,(h[0],p)->x,(h[1],p)->y);
£ £ }
£ £ A) 12 B) 23 C) 14 D) 32
£ £ (45) ÒÔϳÌÐòµÄÊä³ö½á¹ûÊÇ
£ £ main()
£ £ { int a, b;
£ £ for(a=1, b=1; a<=100; a++)
£ £ { if(b>=10) break;
£ £ if (b%3= =1)
£ £ { b+=3; continue; }
£ £ }
£ £ printf(¡°%d\n¡±,a);
£ £ }
£ £ A) 101B) 6 C) 5 D) 4
£ £ (46) ÒÔϳÌÐòµÄÊä³ö½á¹ûÊÇ
£ £ union myun
£ £ { struct
£ £ { int x, y, z; } u;
£ £ int k;
£ £ } a;
£ £ main()
£ £ { a.u.x=4; a.u.y=5; a.u.z=6;
£ £ a.k=0;
£ £ printf(%d\n¡±,a.u.x);
£ £ }
£ £ A) 4B) 5C) 6D) 0
£ £ (47) ÒÔϳÌÐòµÄÊä³ö½á¹ûÊÇ
£ £ int a, b;
£ £ void fun()
£ £ { a=100; b=200; }
£ £ main()
£ £ { int a=5, b=7;
£ £ fun();
£ £ printf(¡°%d£¥d \n¡±, a,b);
£ £ }
£ £ A) 100200 B) 57 C) 200100 D) 75
£ £ (48) ÒÔϳÌÐòµÄÊä³ö½á¹ûÊÇ
£ £ #define M(x,y,z) x*y+z
£ £ main()
£ £ { int a=1,b=2, c=3;
£ £ printf(¡°%d\n¡±, M(a+b,b+c, c+a));
£ £ }
£ £ A) 19B) 17C) 15D) 12
£ £ (49) ÕûÐͱäÁ¿xºÍyµÄÖµÏàµÈ¡¢ÇÒΪ·Ç0Öµ£¬ÔòÒÔÏÂÑ¡ÏîÖУ¬½á¹ûΪÁãµÄ±í´ïʽÊÇ
£ £ A) x || y B) x | y C) x & y D) x ^ y
£ £ (50) ÏÂÃæµÄ³ÌÐòÖ´Ðкó£¬Îļþtestt.tÖеÄÄÚÈÝÊÇ
£ £ #include
£ £ void fun(char *fname.,char *st)
£ £ { FILE *myf; int i;
£ £ myf=fopen(fname,¡°w¡± );
£ £ for(i=0;i£ £ fclose(myf);
£ £ }
£ £ main()
£ £ { fun(¡°test¡±,¡°new world¡±; fun(¡°test¡±,¡°hello,¡±0;)
£ £ A£©hello£¬ B£©new worldhello£¬C£©new world D£© hello, rld