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Q3.c

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+#include <stdio.h>
+/* I know that the program would be overall simpler if I printed the sums in the function as they are
+ * calculated, but I have always been taught to avoid printing within functions, so I went with the
+ * returning an array of the sums method. It has the benefit of being able to use the sums later in the program
+ * if necessary
+ */
+
+// Function to calculate sum of each row of matrix. Takes
+void row_sums(int width, int height, int matrix[width][height], int return_array[]) {
+    int row_sum;
+    for(int i = 0; i < height; i++) {
+        row_sum = 0;
+        for(int j = 0; j < width; j++) {
+            row_sum+=matrix[i][j];
+        }
+        return_array[i] = row_sum;
+    }
+}
+// Function to calculate sum of each column of matrix. Takes
+void column_sums(int width, int height, int matrix[width][height], int return_array[]) {
+    int column_sum;
+    for(int i = 0; i < width; i++) {
+        column_sum = 0;
+        for(int j = 0; j < height; j++) {
+            column_sum+=matrix[i][j];
+        }
+        return_array[i] = column_sum;
+    }
+}
+
+int main() {
+    int width, height;
+    printf("Enter width then enter height:\n");
+    scanf("%d", &width);
+    scanf("%d", &height);
+
+    int matrix[width][height];
+
+    for(int i = 0; i < width; i++) {
+        for(int j = 0; j < height; j++) {
+            printf("Enter matrix value %d,%d: ", i, j);
+            scanf("%d", &matrix[i][j]);
+        }
+    }
+    // Print the matrix
+    for(int i = 0; i < width; i++) {
+        for(int j = 0; j < height; j++) {
+            printf("%d ", matrix[i][j]);
+        }
+        printf("\n");
+    }
+
+    int row_sum_values[height];
+    row_sums(width, height, matrix, row_sum_values);
+    printf("Row sum values are: ");
+    for(int i = 0; i < width; i++) {
+        printf("%d, ", row_sum_values[i]);
+    }
+    printf("\n");
+
+    int column_sum_values[height];
+    column_sums(width, height, matrix, column_sum_values);
+    printf("Column sum values are: ");
+    for(int i = 0; i < width; i++) {
+        printf("%d, ", column_sum_values[i]);
+    }
+    printf("\n");
+
+    return 0;
+}