LinearAlgebraFoundations_2_MatrixSubtraction.c

#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;


int main() {
    int r, c, i, j;
    int a[3][3] = {{1, 2, 3}, {2, 3, 4}, {1, 1, 1}},
        b[3][3] = {{4, 5, 6}, {7, 8, 9}, {4, 5, 0}}, Difference[3][3];

    r = 3, c = 3;

  // adding two matrices
  for (i = 0; i < r; ++i)
    for (j = 0; j < c; ++j) {
      Difference[i][j] = a[i][j] - b[i][j];
    }

  // printing the result
  for (i = 0; i < r; ++i)
    for (j = 0; j < c; ++j) {
      printf("%d\n", Difference[i][j]);
    }

  return 0;
}