Программирование на языке C++ - ответы

class Foo {     const int I;     static void Init(int x);     void Setup(int x = 0) const; public:     Foo(int x = 0); };  

#include <stdio.h>main(){ int a[3][4]; int i, j, k;      for (i = 0; i < 3; i++)      for (j = 0; j < 4; j++) scanf("%d",&a[i][j]);      for (i = 0; i < 3; i++)      {         k = 0;         for (j = 0; j < 4; j++)      if (a[i][j] > 0) ++k;      }      printf("%d",k);}

#include <stdio.h>void f(char* a, char* const b){   a[0] = b[0]; b[1] = a[1];}int main(){   char a[]="abcd";   char b[]= "opr";   f(a,b);   printf ("%s%s", a, b);   return 0;}

class Foo{int x;public: Foo(int i){}};class Bar: virtual Foo{public: Bar(){}};Bar b;

int k;float y;int main(){       k = 4; y = 2;       printf ("%4.2f%2d",  y, k);       return 0;}

int a[2][3]={{1,2,3},{7,8,9}};int *p=&a[0][1];p+=3;

#include <stdio.h>void f(char a, char d){   a = d; d = a;}int main(){   char a[] = "глаз";   f(a[0],a[3]);   puts(a);   return 0;}

A = 2;if (В <= 4)C = 1;elseC = 0;A = C;

a = 1;if ((b < 0) || (b > 1))  a = 3;if (b > 5) a = 5;

a = 1;if ((b > 0) && (b < 2))  a = 3;if (b > 5)  a = 5;

main(){int k;int m;k = 3; m = 0;while (k < 3){ ++k; ++m;}}

main(){int k;int m;m = 0;for (k = 1; k <= 2; k++) ++m; ++m;}

for (int ii = 0; ii < 3; ++ ii){  switch (ii)  {  case 0: cout << "ZERO";  case 1: cout << "ONE"; continue;  case 2: cout << "TWO"; break;  }  cout << endl;}

#include  <stdio.h>#include <math.h>int main(){const   int a[8] = {3,8,0,-6,0,-1,-9,3};int i,k;      k = abs(a[7]);      for (i = 0; i< 8; i++)      {            if (abs(a[i]) > k)   k = abs(a[i]);           printf("%d",k);      }}

#include  <stdio.h>#include <math.h>main(){const   int a[8] = {3,8,0,-6,0,-1,-9,3};int i,k;      k = abs(a[7]);      for (i = 0; i < 8; i++)      if (abs(a[i]) < k)   k = abs(a[i]);      printf("%d",k);}

#include  <stdio.h>#include <math.h>main(){const   int a[8] = {3,8,0,-6,0,-1,-9,3};int i,j,k;      k = 0; j = 4;      for (i = 0; i < 8; i++)      if (abs(a[i]) > j) ++k;      printf("%d",k);}

#include  <stdio.h>main(){const   int a[8] = {3,8,0,-6,0,-1,-9,3};int i,j,k;      k = 0; j = 2;      for (i = 0; i < 8; i++)      if (a[i] < j) ++k;      printf("%d",k);}

#include  <stdio.h>main(){const   char a[] = "abcrcaab";int i; char k;k = 'b';for (i = 0; i < 8; i++)if (a[i] > k) k = a[i];printf("%c",k);}

#include <stdio.h>main(){const char a[] = "abcrcaab";int i; char k;    k = 'c';    for (i = 0; i < 8; i++)        if (a[i] <= k)  {             k = a[i];             printf("%c",k);        }}

#include <stdio.h>main(){ const char a[] = "abcrcaab"; int i; char k;  k = a[0];  for (i = 1; i < 8; i++)        if (a[i] < k)  k = a[i];    printf("%c",k);}

#include <stdio.h>main(){ const char a[] = "abcra"; int i; char k;    k = 'c';    for (i = 1; i < 5; i++) {        if (a[i] < k) k = a[i];        printf("%c",k);    }}

int a[2][3]={{1,2,3},{7,8,9}};int *p=&a[0][0];p+=2;

#include <stdio.h>int a, b, c, d;void f( int a, int& c, int& d){int b;   a = 5; c = 7; b = 9;}int main(){   a = 1; c = 1; b = 1;   f(b,a,c);   printf ("%d|%d|%d",a,c,b);   return 0;}

class Class1 { public:     void func(); }; void (Class1::*pmfn)() = &Class1::func; Class1 *c; 

class Base{};class Derived: public Base{};

class Base{ public:  Base(int _x=10){x=_x;} virtual void f() {cout<<x*2<<endl;} protected: int x;};class Derived: public  Base{ public:  void f() {cout<<x/2<<endl;}};int main(){ Derived d; Base* pB= &d; pB->f(); return 0;

int main(){int k;int m;m = 1;for (k = 3; k >= 1; k--)++m;}

A = 2;if (В <= 4)C = 1;else { C = 0;A = C;}

#include <stdio.h>const char a[] = "abcra";int i; char  k;main(){    k = 'c';    for (i = 1; i < 5; i++)        if (a[i] < k) {        k = a[i];            printf("%c",k);        }}

#include <stdio.h>main(){const char a[] = "abcrcaab";int i;for (i = 7; i > 1; i--) if (a[i] < 'c')  printf("%c",a[i]);}

int main (){int k;int m;k = 0; m = 0;while (k < 3)++k;++m;return m;}

class Base{	int b;	protected: int c;	public: int d;};class Derived: Base{	friend class Friend;	int e;};class Friend{	Derived derived;};

#include <iostream.h>class A{int x;public:A(int y){x = y;}};int main(){ A a(3); cout << a.x << endl; return 0;}

class Foo {     char *buf; public:     Foo(char *b = "default") {         buf = new char[strlen(b) + 1];         strcpy(buf, b);     }     ~Foo() {         delete[] buf;     } }; Foo Func(Foo f) {    return f; }

class Base{};class Derived: protected Base{};

#include <stdio.h>main(){   int a[3][4]; int i, j, k;      for (i = 0; i < 3; i++)      for (j = 0; j < 4; j++) scanf("%d", &a[i][j]);         k = -1;      for (i = 0; i < 4; i++) {         for (j = 0; j < 3; j++)            if (a[j][i] == 0) { k = i; break; }      }      printf("%d",k);}

#include  <stdio.h>main(){const  char a[] = "abcrcaab";int i; char k;    k = 'a';    for (i = 0; i < 8; i++)        if (a[i] > k) {             k = a[i];             printf("%c",k);        }}

#include  <stdio.h>main(){const   int a[8] = {3,8,0,-6,0,-1,-9,3};int i,k;      k = 1;      for (i = 7; i >= 0; i--)      if (a[i] == 0)  k = i;      printf("%d",k);}

#include  main() {  int i;  float t;   i = 1;   t = 5;   printf("%3.1f%d%2d", t, i, i); }

#include  main() {  int i;  float  t;    i = 2; t= 2;    printf("%4.1f%2d%d",  t, i, i); }

a = 1;if (b < 1)  a = 2;if (b > 5)  a = 3;

main(){int k;int m;m = 1;for (k = 1; k <= 2; k++) {++m; k+=2; }}

#include  <stdio.h>#include <math.h>main(){const   int a[8] = {3,8,0,-6,0,-1,-9,3};int i,j,k;      k = 0; j = 4;      for (i = 0; i < 8; i++)      if (abs(a[i]) > j)   k = a[i];      printf("%d",k);}

#include  <stdio.h>main(){const  char a[] = "abcrcaab";int i; char k;      k = 'b';      for (i = 0; i < 8; i++)      if (a[i] < k) printf("%c",k);}

#include <stdio.h>main(){const char a[] = "abcrcaab";int i;    for (i = 0; i < 8; i++)    if ((a[i] > 'a') && (a[i] < 'c'))printf("%c",a[i]);}

int a[2][3]={{1,2,3},{7,8,9}};int *p=&a[0][2];p+=3;

#include <stdio.h>int a, b, c, d;void f( int& a, int c, int& d){int b;   a = 5; c = 7; b = 9;}int main(){   a = 1; c = 1; b = 1;   f(a,b,c);   printf ("%d|%d|%d",a,c,b);   return 0;}

#include <stdio.h>void f(char a, char& d){   a = 'в'; d = 'с';}int main(){   char a[]="глаз";   f(a[0],a[3]);   puts(a);   return 0;}

#include <stdio.h>void f(char* a, char* b){   a = b; b = a;}int main(){   char a[]="abcde";   char b[]= "opr";   f(a,b);   puts(a);   return 0;}

#include <stdio.h>void f(char* a, char* b){   a[1] = b[1]; b[2] = a[2];}int main(){   char a[]="abcd";   char b[]= "opr";   f(a,b);   printf ("%s%s", a, b);   return 0;}

class myclass { int a;public:   myclass(int x); }; myclass::myclass(int x) { a = x;} int main() {   myclass ob(120);   myclass *p;   return 0; } 

class Base{	int a;	public: int b;	protected: int c;};class Derived: Base{	friend class Friend;	int d;};class Friend{	Derived derived;};

class basex {   int x; public:   void setx(int y) {x = y;} }; class derived : basex {};  

class mybase {}; class derived1 {}; class derived2:public mybase,derived1{};  

class Base{};class Derived: private Base{};

#include <stdio.h>const char a[] = "abcra";int i; char  k;main(){    k = 'c';    for (i = 1; i < 5; i++)        if (a[i] >= k) {        k = a[i];            printf("%c",k);        }}

#include  <stdio.h>main(){const   int a[8] = {3,8,0,-6,0,-1,-9,3};int i,k;      k = a[0];      for (i = 1; i < 8; i++)      if (a[i] > k)   k = a[i];      printf("%d",k);}

#include <stdio.h>void f(char* a, char* b){   char* c;   c = a; a = b; b = c;}int main(){   char a[]="abc";   char b[]= "pr";   f(a,b);   printf ("%s%s", a, b);   return 0;}

class Base{ public:  Base(int _x = 10){x = _x;} void f() {cout<<x*2<<endl;} protected: int x;};class Derived: public  Base{ public:  void f() {cout<<x/2<<endl;}	};int main(){ Derived d; Base* pB= &d; pB->f(); return 0;}

class SomeClass {   int x; public:   SomeClass (int xx) : x(xx) {}; }; SomeClass x (10); SomeClass y(x);  

class basex {   protected:  int x; }; class derived : private basex {};  

int a[2][3]={{1,2,3},{7,8,9}};int *p=&a[0][0];p+=3;

main(){int k;int m; k = 3; m = 0; while (k > 0){ k--; m++; }}

a = 1;if ((b > 0) && (b < 3))  a = 3; elseif (b > 5) a = 5;

int a[2][3]={{1,2,3},{7,8,9}};int *p=&a[0][0];p+=4;

#include  <stdio.h>int a, b, c, d;void f( int a, int& c, int& d){int b;   a = 5; c = 7; b = 9;}int main(){   a = 1; c = 1; b = 1;   f(a,c,b);   printf ("%d|%d|%d",a,c,b);   return 0;}

if (В <= 4)C = 1;else C = 0;A = C;

main(){int k;int m; k = 3; m = 0; while (k > 0)--k;++m;}

#include  <stdio.h>#include <math.h>main(){const   int a[8] = {3,8,0,-6,0,-1,-9,3};int i,k;      k = abs(a[7]);            for (i = 0; i < 8; i++)      if (abs(a[i]) > k)   k = a[i];      printf("%d",k);}

#include  <stdio.h>#include <math.h>int main(){const   int a[8] = {3,8,0,-6,0,-1,-9,3};int i,j,k;      k = 0; j = 4;      for (i = 0; i < 8; i++)      if (a[i] > j)   k = abs(a[i]);      printf("%d",k);}

#include <stdio.h>void f(char& a, char d){   a = 'в'; d = 'д';}int main(){   char a[] = "глаз";   f(a[0],a[3]);   puts(a);   return 0;}

#include <iostream.h>class A{int x;public:A(int y){x = y;}};int main(){ A a; cin >> a.x; return 0;}

struct Foo {     int f1() {         return 0;     }     int f2(); }; int Foo::f2() {     return 0; };  

class A {// ... }; class B : ??? A {}; class C : public B {}; 

class Base{ public:  void f() {cout<<"111"<<endl;}};class Derived: public  Base{ public:  void f() {cout<<"222"<<endl;}};int main(){ Base* ptr= new Derived; ptr->f(); return 0;}

#include <stdio.h>main(){const char a[] = "abcrcaab";int i;    for (i = 0; i < 8; i++)    if (a[i] < 'c') printf("%c",a[i]);}

main(){int k;int m;m = 1;for (k = 3; k >= 1; k--) ++m;}

#include  <stdio.h>main(){const   int a[8] = {3,8,0,-6,0,-1,-9,3};int i,k;      k = 1;      for (i = 0; i < 8; i++)      if (a[i] == 0)   k = i;      printf("%d",k);}

A = 2;if (В <= 4) { C = 1;}else {C = 0;A = C;}

for (int ii = 0; ii < 3; ++ ii) {   switch (ii)   {   case 0: cout << "ZERO"; break;  case 1: cout << "ONE";  case 2: cout << "TWO"; continue;   }   cout << endl; } 

#include  <stdio.h>#include <math.h>main(){const   int a[8] = {3,8,0,-6,0,-1,-9,3};int i,k;      k = abs(a[7]);      for (i = 0; i< 8; i++)      if (abs(a[i]) > k)   k = abs(a[i])- 2;      printf("%d",k);}

#include <stdio.h>main(){   int a[3][4]; int i, j, k;      for (i = 0; i < 3; i++)      for (j = 0; j < 4; j++) scanf("%d", &a[i][j]);      for (i = 0; i < 4; i++) {         k = 0;         for (j = 0; j < 3; j++)      if (a[j][i] > 0) ++k;      }      printf("%d",k);}

#include  <stdio.h>int a, b, c, d;void f( int& a, int& c, int& d){int b;   a = 5; c = 7; b = 9;}int main(){   a = 1; c = 1; b = 1;   f(a, b, c);   printf ("%d|%d|%d",a,c,b);   return 0;}

class Base{	public: int a;	protected: int b;	private: int c;};class Derived: Base{	friend class Friend;	int d;};class Friend{	Derived derived;};

class basex {   public:  int x; }; class derived : basex {};  

class basex {   int x; public:   void setx(int y) {x = y;} }; class derived : public basex {};  

#include <stdio.h>main(){   int a[3][4]; int i, j, k;      for (i = 0; i < 3; i++)      for (j = 0; j < 4; j++) scanf("%d", &a[i][j]);      k = -1;      for (i = 0; i < 4; i++) {      for (j = 0; j < 3; j++)        if (a[j][i] == 0)  k = i;      }      printf("%d",k);}

#include <stdio.h>main() {  int k;  float x;     k = 2; x = 3;     printf("[%4.2f%d]",  x, k); }

namespace f { struct Obj {     struct T;     template<class T, class f>     virtual void  f() {     }  }; };  

class A {}; class B :  private А {}; 

#include <stdio.h>main(){ const char a[] = "abcrcaab"; int i; char k;  k = a[0];  for (i = 1; i < 8; i++)        if (a[i] <= k)  k = a[i];    printf("%c",k);}

#include  <stdio.h>#include <math.h>main(){const   int a[8] = {3,8,0,-6,0,-1,-9,3};int i,k;      k = abs(a[2]);      for (i = 0; i < 8; i++)      if (a[i] > k)   k = abs(a[i])- 2;      printf("%d",k);}

#include <stdio.h>void f(char& a, char d){   a = d; d = a;}int main(){   char a[] = "глаз";   f(a[0],a[3]);   puts(a);   return 0;}

class Base{ public:  virtual void f() {cout<<"111"<<endl;}};class Derived: public  Base{ public:  void f() {cout<<"222"<<endl;}};int main(){ Base* ptr= new Derived; ptr->f(); return 0;}

class basex {   protected:  int x; }; class derived : public basex {};  

class A {}; class B :  protected А {}; 

class basex {   public:  int x; }; class derived : protected basex {};  

class basex {   protected:  int x; }; class derived : protected basex {};  

class A {}; class B :  public А {};