C语言程序设计现代方法第十一章答案.doc

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1、Chapter11AnswerstoSelectedExercises2. [was#2](e),(f),and(i)arelegal.(a)isillegalbecause p isapointertoanintegerand i isaninteger.(b)isillegalbecause *pisanintegerand &i isapointertoaninteger.(c)isillegalbecause &p isapointertoapointertoanintegerand q isapointertoaninteger.(d)isillegalforreasonssi

2、milarto(c).(g)isillegalbecause p isapointertoanintegerand *q isaninteger.(h)isillegalbecause *p isanintegerand q isapointertoaninteger.4. [was#4;modified]voidswap(int*p,int*q){inttemp;temp=*p;*p=*q;*q=temp;}6. [was#6]voidfind_two_largest(inta[],intn,int*largest,int*second_largest){inti;if(a[0]>a[

3、1]){*largest=a[0];*second_largest=a[1];}else{*largest=a[1];*second_largest=a[0];}for(i=2;i*largest){*second_largest=*largest;*largest=a[i];}elseif(a[i]>*second_largest)*second_largest=a[i];}