1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
| ///----------------------------------------------------------------------------|
/// Тема: «Добавить в конец матрицы новую строку чисел.»
/// DevC++ GCC8.2
///----------------------------------------------------------------------------:
#include <iostream>
#include <ctime>
#include <stdlib.h>
#include <iomanip>
#define FORi(n) for(int i = 0; i < n; ++i)
#define FORj(n) for(int j = 0; j < n; ++j)
#define LOG(n) std::cout << std::setw(6) << #n << " = " << n << "\n"
#define BANNER std::cout <<
struct smystart
{ smystart()
{ setlocale(0, "");
system("mode 80,50");
srand(time(NULL));
}
}mystart;
///----------------------------------------------------------------------------|
/// ВВод с защитой от дурака.
///----------------------------------------------------------------------------:
template<class T>
T input_user(const char* promt, int n= -1)
{ std::cout << promt << " ";
if(n != -1) std::cout << "[" << n <<"] : ";
T my;
while(!(std::cin>>my) || std::cin.get() != '\n')
{ std::cout << "Incorrect input!\n\n";
std::cout << promt << " ";
std::cin.clear();
std::cin.sync();
}
return my;
}
///----------------------------------------------------------------------------|
/// Двумерный динамический массив инкапсулированный в структуре.
///----------------------------------------------------------------------------:
template<class T>
class carr
{
public:
carr(int _r, int _c) : arr(NULL), row(_r), column(_c)
{ arr = create_arr(row, column);
}
~carr()
{ delete_arr(arr);
}
//------------------------------------------------------resize(int r, int c)
void resize(int _r, int _c)
{ row = _r;
column = _c;
if(arr != NULL)
{ delete_arr (arr);
create_arr(row, column);
}
}
//-----------------------------------------------------------init_one(T val)
void init_one(T _val)
{ FORi(row)
FORj(column)
arr[i][j] = _val;
}
int row_()
{ return row;
}
int column_()
{ return column;
}
//-----------------------------------------------------------Вывод на экран:
void show()
{ std::cout << "\n";
LOG(row);
LOG(column);
FORi(row)
{ FORj(column)
{ if(arr[i][j] != -777)
std::cout << std::setw(5)
<< std::setprecision(4)
<< std::setfill(' ') << arr[i][j] << " \t";
else
std::cout << std::setw(5)
<< std::setprecision(4)
<< std::setfill(' ') << " empty\t";
}
std::cout << "\n";
}
std::cout << "\n";
}
T* operator [](const int i)const {return arr[i];}
void init_rand(int border_start, int border_end)
{ if (border_start > border_end) std::swap(border_start, border_end);
FORi(row)
FORj(column)
arr[i][j] = rrand(border_end, border_start);
}
protected:
T** arr;
int row, column;
//--------------------------------------------------------------create_arr()
T** create_arr(int r, int c)
{ T** _arr;
_arr = new T*[r];
FORi(r)
{ _arr[i] = new T[c];
}
return _arr;
}
//--------------------------------------------------------------delete_arr()
void delete_arr(T**& p)
{ FORi(row)
{ delete[] p[i];
}
delete[] p;
p = NULL;
}
int rrand(int range_max, int range_min = 0)
{ return rand() % (range_max - range_min + 1) + range_min;
}
};
///----------------------------------------------------------------------------|
/// Модерируем carr под задачу.
///----------------------------------------------------------------------------:
template<class T>
class cmymatrix : public carr<T>
{
public:
cmymatrix(int r, int c) : carr<T>(r, c) {}
using carr<T>::row;
using carr<T>::column;
using carr<T>::arr;
void add_str_numbers()
{
BANNER
"\n///----------------------------------------------|"<<
"\n/// Добавить в конец матрицы новую строку чисел. |"<<
"\n///----------------------------------------------:\n";
T** p_ = carr<T>::create_arr(row + 1, column);
FORi(row)
{ FORj(column)
{ p_[i][j] = arr[i][j];
}
}
carr<T>::delete_arr(carr<T>::arr);
arr = p_;
FORi(column)
{ arr[row][i] =
input_user<int>("Введите число для столбца:", i);
}
row++;
}
};
///----------------------------------------------------------------------------|
/// Старт.
///----------------------------------------------------------------------------:
int main()
{
int columns = input_user<int>("Введитте количество чисел в строке:");
int row = input_user<int>("Введитте количество cтрок :");
BANNER
"\n///---------------------------------------------------------|"<<
"\n/// Матрица с рандомными значениями из заданного диапазона. |"<<
"\n///---------------------------------------------------------:\n";
cmymatrix<int> matrix(row, columns);
matrix.init_rand(-20, 20);
matrix[0][0] = 2019;
while(true)
{ matrix.show();
matrix.add_str_numbers();
}
std::cin.get();
return 0;
} |