有以下程序main(){ int k=5,n=0;do{ switch(k){ case 1: case 3:n+=1;k--;break;default:n=0;k--;case 2: case 4:n+=2;k--;break;}printf("%d",n);}while(k>0&&n<5);}程序运行后的输出结果是
A.235
B.0235
C.02356
D.2356
A.235
B.0235
C.02356
D.2356
有以下程序
#include<stdio.h>
#define S(x)4*(x)*x+1
main()
{int k=5,j=2;
printf(“%d\n”,S(k+j));
}
程序运行后的输出结果是
A.197
B.143
C.33
D.28
写出以下程序的运行结果。public class Test2 {public static void main(String args[ ]){int i,j;int a[]={17,91,65,35,28};for (i = 0; i < a.length-1; i++ ) {int k = i;for(j = i; j < a.length; j++ )if (a[j]>a[k] )k = j;int temp =a[i];a[i] = a[k];a[k] = temp;}for (i =0; i<a.length; i++ )System.out.print(a[i]+" ");System.out.println();} }
A.20 20
B. 0 0
C. 10 20
D. 10 10
写出以下程序的运行结果。
#include int fun(int a){int b=0;static int c=3;b ; c ;return(a b c);}
main(){int i, a=5;for (i=0; i<3; i )cout<< i<< " "<< fun(a)<< " ";}
A.4
B.3
C.1
D.2
A.3
B.6
C.9
D.27
A.5
B.6
C.7
D.8
A.963
B.852
C.875421
D.741
若有以下程序:
#include using namespace std ; class Point { int x, y; public :
Point () { x = 0; y = 0; } void SetPoint (int x1, int y1) { x = x1; y = y1; } void DisPoint () { cout << "x=" << x << "," << "y=" << y << endl ; } }; int main() { Point * p = new Point ; p-> SetPoint (5, 12); p-> DisPoint (); delete p; return 0; } 上面程序的输出结果为:
A.-11 is a positive odd number.
B.-11 is a negative odd number.
C.-11 is a positive even number.
D.11 is a negative even number.
A.55
B.54
C.65
D.45