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1 files changed, 39 insertions, 0 deletions
| -rw-r--r-- | Week08/Exercise08.cpp | 39 |
diff --git a/Week08/Exercise08.cpp b/Week08/Exercise08.cpp new file mode 100644 index 0000000..1baef7c --- /dev/null +++ b/Week08/Exercise08.cpp @@ -0,0 +1,39 @@ +#include <iostream> + +const unsigned int SIZE = 3; + +void inputMatrix(unsigned int mat[SIZE][SIZE]) { + for (unsigned int i = 0; i < SIZE; i++) + for (unsigned int j = 0; j < SIZE; j++) + std::cin >> mat[i][j]; +} + +unsigned int multiplyRowCol(const unsigned int matA[SIZE][SIZE], const unsigned int matB[SIZE][SIZE], unsigned int rowA, unsigned int colB) { + unsigned int result = 0; + for (unsigned int i = 0; i < SIZE; i++) + result += matA[rowA][i] * matB[i][colB]; + return result; +} + +void multiplyMatrices(const unsigned int matA[SIZE][SIZE], const unsigned int matB[SIZE][SIZE], unsigned int out[SIZE][SIZE]) { + for (unsigned int row = 0; row < SIZE; row++) + for (unsigned int col = 0; col < SIZE; col++) + out[row][col] = multiplyRowCol(matA, matB, row, col); +} + +int main() { + unsigned int matA[SIZE][SIZE], matB[SIZE][SIZE]; + inputMatrix(matA); + inputMatrix(matB); + + unsigned int mult[SIZE][SIZE]; + multiplyMatrices(matA, matB, mult); + + for (unsigned int row = 0; row < SIZE; row++) { + for (unsigned int col = 0; col < SIZE; col++) + std::cout << mult[row][col] << ' '; + std::cout << std::endl; + } + + return 0; +} |