2012浙江大华笔试题+答案解析.docxVIP

浙江大华2012笔试题+答案解析 请写出下面程序的输出结果：1、int count = 3;?int main(void)?{? int i, sum, count = 2;? for(i=0,sum=0; icount; i+=2,count++)? {? static int count = 4;? count++;? if(i%2 == 0)? {? extern int count;? count++;? sum += count;? }? sum += count;? }? printf(%d %d\n,count, sum);? return 0;?}?2、void func(char str[50])?{? printf(A %d B %d ,sizeof(str), strlen(str));?}?int main(void)?{? char stra[] = HelloWorld;? char *strb = stra;? printf(C %d D %d ,sizeof(stra), sizeof(strb++));? func(++strb);? printf(E %d F %d\n,strlen(stra), strlen(strb++));? return 0;?}?3、#include vector?int func(std::vectorintvec)?{? static int k = 2;? std::vectorint::reverse_iterator it;? for(it = vec.rbegin(); it!=vec.rend(); ++it)? {? k += *it%2==0? ++*it: (*it)++;? }? return k;?}?int main(void)?{? std::vectorintvec;? for(int i = 0; i4; i++)? {? vec.push_back(i);? printf(%d ,func(vec));? }? return 0;?}??4、class Base?{?public:? int m_a;? Base(int a=2):m_a(a)? {? printf(A %d ,m_a);? }? virtual ~Base()? {? printf(B %d ,m_a);? }?};?class Derived:public Base?{?public:? Derived(int a=4):Base(a)? {? printf(C %d ,m_a);? }? ~Derived()? {? printf(D %d ,m_a);? }?};?int main(void)?{? Base *aa,bb;? aa = new Derived;? delete aa;? return 0;?}?5、class Base?{?public:? int m_a,m_b;? Base(int a = 2,int b = 5):m_a(a),m_b(b)? {? }? int func_a()? {? return m_a - m_b;? }? virtual int func_b()? {? return m_a + m_b;? }?};?class Derived:public Base?{?public:? Derived(int a = 4, int b = 7):Base(a, b)? {? }? virtual int func_a()? {? return m_b + m_a;? }? int func_b()? {? return m_b - m_a;? }?};?int main(void)?{? Base *aa, *bb;? aa = new Base(4, 7);? bb = new Derived(3, 5);? printf(%d %d %d %d\n,aa-func_a(), aa-func_b(), bb-func_a(), bb-func_b());? delete aa;? delete bb;? return 0;?}?6、struct SC?{? int a;? int b;? int c;?};?struct SD?{? int a;? int b;? int c;? int d;?};?int main(void)?{? struct SC c1[] = {{3},{4},{5},{6}};? struct SD *c2 = (struct SD*)c1 + 1;? printf(%d %d %d %d\n,c2-a,c2-b,c2-c,c2-d);? return 0;?}?7、int func(in