c3

1sem/programming basics/z11/31.cpp

@@ -0,0 +1,41 @@
+// pb_z11_31.cpp
+// Горбацевич Андрей
+#include <iostream>
+
+using namespace std;
+
+int **read_matrix(size_t rows, size_t cols);
+void print_matrix(int **matrix, size_t rows, size_t cols);
+int **make2d(size_t nrows, size_t ncols, int val);
+
+int main() {
+    size_t rows, cols;
+    int filler;
+    cout << "rows, cols, filling_val >>>";
+    cin >> rows >> cols >> filler;
+    int **matrix = make2d(rows, cols, filler);
+    print_matrix(matrix, rows, cols);
+    return 0;
+}
+
+int **make2d(size_t nrows, size_t ncols, int val) {
+    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++)  {
+            *(row + j) = val;
+        }
+        *(out + i) = row;
+    }
+    return out;
+}
+
+void print_matrix(int **matrix, size_t rows, size_t cols) {
+    for(size_t i = 0; i < rows; i++) {
+        for(size_t j = 0; j < cols; j++)  {
+            cout << *(*(matrix + i) + j) << " ";
+        }
+        cout << endl;
+    }
+}
+