Matrix Addition using C

Matrix Addition using C

#include<stdio.h> #include<stdlib.h> int ** dynamicMemAllocation(int m, int n); void readMatrix(int **mat, int m, int n); void addMatrix(int **mat1, int **mat2, int **res, int m, int n); void printMatrix(int **mat, int m, int n); int main() { int m, n, i; int **mat1, **mat2, **res; printf("Enter order of matrices: "); scanf("%d %d", &m, &n); mat1 = dynamicMemAllocation(m, n); mat2 = dynamicMemAllocation(m, n); res = dynamicMemAllocation(m, n); readMatrix(mat1, m, n); readMatrix(mat2, m, n); addMatrix(mat1, mat2, res, m, n); printMatrix(res, m, n); return 0; } int ** dynamicMemAllocation(int m, int n) { int **mat; int i; mat = (int **)malloc(m * sizeof(int *)); for(i = 0; i < m; i++) *(mat+i) = (int *)malloc(n * sizeof(int)); return mat; } void readMatrix(int **mat, int m, int n) { int i, j; printf("Enter elements of matrix:\n"); for(i = 0; i < m; i++) { for(j = 0; j < n; j++) { scanf("%d", (*(mat+i)+j)); } } } void addMatrix(int **mat1, int **mat2, int **res, int m, int n) { int i, j; for(i = 0; i < m; i++) { for(j = 0; j < n; j++) { res[i][j] = mat1[i][j] + mat2[i][j]; } } } void printMatrix(int **mat, int m, int n) { int i, j; printf("The resultant matrix is : \n"); for(i = 0; i < m; i++) { for(j = 0; j < n; j++) { printf("%d ", mat[i][j]); } printf("\n"); } }

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