— I have a scar on my face, so I’ve make up my mind to have a plastic surgery.

—                                        .

— Our company is doing a customer service questionnaire .May I take you a moment?

—                      .

— I'd like to apply for a library card.  

—                      

— May I use your bike for a moment?

—                      .

—                      

— Thank you. I must say I have a great staff.

公式 A = P(A/P, i, n)中的P应发生在（  ）。

在A与n相等时,（P/A，20%，n）和（P/A，30%，n）这两者的大小为（ ）。

若 A 、B 两个具有常规现金流量的方案互斥 ，其财务净现值FNPV(i) A>FNPV(i)B ，则（ ）。

—  Oh, dear! I've just broken a window.

—                       .

— I saw a car crash into the tree just now.

—                   

public class XXK4 {

public static void main(String[] args) {

int []a={2,5,8,10,15,20};

int s=0;

for(int i=0; i<a.length; i++) s+=a[i];

System.out.println("s="+s);

}

}

public class XXK4 {

public static void main(String[] args) {

String []a={"xxk","weirong","xucong","xuxiaohua","baojuan"};

int m=0;

for(int i=0; i<a.length; i++) {

int n=a[i].length();

if(n>m) m=n;

}

System.out.println("m="+m);

}

}

public class XXK4 {

public static void main(String[] args) {

int [][]a={{2,5,8},{3,6,9},{4,5,6}};

int []b=new int[3];

int i,j;

for(i=0; i<a.length; i++)

for(j=0; j<a[i].length; j++)

b[i]+=a[i][j];

for(i=0; i<b.length; i++)

System.out.print(b[i]+" ");

}

}

class ABC {

int a,b;

public ABC(int a, int b) {this.a=a; this.b=b;}

public int compareTo(ABC x) {return a*b-x.a*x.b;}

}

public class XXK5 {

public static void main(String[] args) {

int [][]d={{3,8},{4,6},{5,6},{2,9},{6,7},{5,8}};

ABC []ar=new ABC[d.length];

int i,k=0;

for(i=0; i<ar.length; i++)

ar[i]=new ABC(d[i][0],d[i][1]);

for(i=1; i<ar.length; i++)

if(ar[i].compareTo(ar[k])>0) k=i;

System.out.println("k="+k);

}

}

—I suggest that you conduct a commodity re-inspection in a month.

—                      

设有n阶对称矩阵A，用一维数组s压缩存储A的下三角元素，s的下标从零开始，元素 s[26]相应于A中的元素为a _7,5。

int a=3,b=5,c=7;

if(a>b) a=b;c=a;

if(c!=a) c=b;

printf("%d,%d,%d\n",a,b,c);

其输出结果是（  ）。

int a=3,b=5,c=7;

if(a>b) a=b;c=a;

if(c!=a) c=b;

printf("%d,%d,%d\\n",a,b,c);

其输出结果是（  ）。