下列程序运行的结果为 。void swap1(int x,int y){int t;t=x;x=y;y=t;return;}void swap2(int *x,int *y){int t;t=*x;*x=*y;*y=t;return;}main(){int x=3,y=5;printf("%d,%d\n",x,y);swap1(x,y);printf("%d,%d\n",x,y);swap2(&x,&y);printf("%d,%d\n",x,y);}
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下列程序运行的结果为 。long fib(int g){switch(g){Case 0: return 0;case 1:case 2: return 1;}return(fib(g-1)+fib(g-2));}main(){long k;k=fib(7);printf("k=%ld\n",k);}
下列程序运行的运行结果为 。#include "stdio.h"main(){int i,num;for(i=0;i<3;i++){num=2;printf("\n The num equal:%d \n",num);num++;{static int num=1;printf("\nThe internal block num equal: %d\n",num);num++;}}}
下列程序运行的运行结果为 。#include "stdio.h"int a,b,c;void add(){extern int a;c=a+b;}void main(){ a=b=4;add();printf("The value of c is equal to %d\n",c);}
下列程序运行的运行结果为 。void swap(int *a,int *b){int *t;t=a;a=b;b=t;}main(){int x=3,y=5,*p=&x,*q=&y;swap(p,q);printf("%3d%3d\n",*p,*q);}