33 lines
840 B
C++
33 lines
840 B
C++
#include "multidimensional.hpp"
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#include <algorithm>
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#include <numeric>
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namespace arrays {
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auto create_matrix(const int rows, const int cols, const int fill) -> Matrix {
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return Matrix(rows, std::vector(cols, fill));
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}
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auto transpose(const Matrix& matrix) -> Matrix {
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auto new_mat = Matrix(matrix[0].size(), std::vector(matrix.size(), 0));
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for (size_t row = 0; row < matrix.size(); ++row) {
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for (size_t col = 0; col < matrix[row].size(); ++col) {
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new_mat[col][row] = matrix[row][col];
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}
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}
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return new_mat;
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}
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auto row_sums(const Matrix& matrix) -> std::vector<int> {
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auto sums = std::vector(matrix.size(), 0);
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auto idx = 0;
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for (auto row: matrix) {
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sums[idx] = std::ranges::fold_left(row, 0, std::plus{});
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idx++;
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}
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return sums;
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}
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} // namespace arrays
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