UPC/1sem/programming basics/z11/32.cpp
2019-11-19 00:19:04 +07:00

51 lines
1.3 KiB
C++

// pb_z11_32.cpp
// Горбацевич Андрей
#include <iostream>
using namespace std;
int **read_matrix(size_t nrows, size_t ncols);
void print_matrix(int **matrix, size_t nrows, size_t ncols);
void fliplr(int **matrix, size_t nrows, size_t ncols);
int main() {
size_t rows, cols;
cout << "rows, cols >>>";
cin >> rows >> cols;
int **matrix = read_matrix(rows, cols);
cout << "Before:" << endl;
print_matrix(matrix, rows, cols);
fliplr(matrix, rows, cols);
cout << "After:" << endl;
print_matrix(matrix, rows, cols);
return 0;
}
int **read_matrix(size_t nrows, size_t ncols) {
int **out = new int*[nrows];
for(size_t i = 0; i < nrows; i++) {
int *row = new int[ncols];
for(size_t j = 0; j < ncols; j++) {
cin >> *(row + j);
}
*(out + i) = row;
}
return out;
}
void print_matrix(int **matrix, size_t nrows, size_t ncols) {
for(size_t i = 0; i < nrows; i++) {
for(size_t j = 0; j < ncols; j++) {
cout << *(*(matrix + i) + j) << " ";
}
cout << endl;
}
}
void fliplr(int **matrix, size_t nrows, size_t ncols) {
for(size_t i = 0; i < nrows; i++) {
for(size_t j = 0; j < ncols/2; j++) {
swap(*(*(matrix + i) + j), *(*(matrix + i) + ncols - j - 1));
}
}
}