diff --git a/lab03/Makefile b/lab03/Makefile
new file mode 100644
index 0000000..d6ae72d
--- /dev/null
+++ b/lab03/Makefile
@@ -0,0 +1,29 @@
+# Compiler and flags
+CC = gcc
+CFLAGS = -Wall -std=c11
+
+#Input file
+INPUT = input.txt
+# Source file
+SRCS = lab3.c
+# Output
+TARGET = lab3.out
+
+# Default target
+all: $(TARGET)
+
+# Rule to build the executable
+$(TARGET): $(SRCS)
+	$(CC) $(CFLAGS) $(SRCS) -o $(TARGET)
+
+
+convert: $(INPUT)
+	dos2unix $(INPUT)
+
+# Rule to run the program
+run: $(TARGET)
+	./$(TARGET) $(INPUT)
+
+# Rule to clean generated files
+clean:
+	rm -f $(TARGET)
diff --git a/lab03/input.txt b/lab03/input.txt
new file mode 100644
index 0000000..9f7bbf9
--- /dev/null
+++ b/lab03/input.txt
@@ -0,0 +1,6 @@
+90
+3
+123
+123
+123
+E
\ No newline at end of file
diff --git a/lab03/lab3.c b/lab03/lab3.c
new file mode 100644
index 0000000..0b38534
--- /dev/null
+++ b/lab03/lab3.c
@@ -0,0 +1,112 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+
+// update this with your A number
+char a_num[] = "01385066";
+
+void rotateArray(int arr[10][10], int n, int rows, int cols) {
+
+    // Invalid rotation angle
+    if (n % 90 != 0) {
+      return;
+    }
+
+    int numRotations = n / 90;
+    int tmp[rows][cols];
+
+    // rotate by 90 or -90 for numRotations
+    for (int t = 0; t < abs(numRotations); t++) {
+      
+      for (int i = 0; i < rows; i++) {
+        for (int j = 0; j < cols; j++) {
+
+          if (numRotations > 0) {
+            // rotate by 90
+            tmp[i][cols - 1 - j] = arr[j][i];
+          } else {
+            // rotate by -90
+            tmp[rows - 1 - i][j] = arr[j][i];
+          }
+
+        }
+      }
+
+      // update arr and rotate again if needed
+      for (int i = 0; i < rows; i++) {
+        for (int j = 0; j < cols; j++) {
+          arr[i][j] = tmp[i][j];
+        }
+      }
+
+    }
+
+    // Do NOT write any code below
+    // Output the rotated array
+    for (int i = 0; i < rows; i++) {
+        for (int j = 0; j < cols; j++) {
+	    if(arr[i][j] == 0)
+	      printf(" ");
+	    else
+	      printf("%d", arr[i][j]);
+        }
+        printf("\n");
+    }
+}
+
+int main(int argc, char *argv[]) {
+    if (argc != 2) {
+        printf("Usage: %s <input_file> <input_angle_degrees>\n", argv[0]);
+        return 1;
+    }
+
+    char *inputFileName = argv[1];
+    int rotationAngle = 0;
+    int dimensions = 0;
+    int arr[10][10] = {0};  // Initialize the array with zeros
+    int rows = 0, cols = 0;
+    char inputChar;
+
+    // Read the input array from the specified file
+    FILE *file = fopen(inputFileName, "r");
+    if (file == NULL) {
+        perror("Error opening input file");
+        return 1;
+    }
+
+    // Read the first line for angle of rotation and second line for array dimensions
+    fscanf(file, "%d", &rotationAngle);
+    fscanf(file, "%d", &dimensions);
+    // Read the input array character by character
+    int counter = 0; //To skip first two lines in the file
+    while (rows < 10 && (inputChar = fgetc(file)) != 'E') {
+        if (inputChar == '\n'){counter++;}
+        if (inputChar == '\n' && counter>=2) {
+            rows++;
+            cols = 0;
+        } else if (cols < 10 && inputChar >= '0' && inputChar <= '9') {
+            arr[rows][cols++] = inputChar - '0';
+        }
+    }
+
+    fclose(file);
+    printf("A%s\n", a_num);
+    // Actual dimensions of the input array
+    rows = cols = dimensions;
+
+    printf("Input array:\n");
+    for (int i = 0; i < rows; i++) {
+        for (int j = 0; j < cols; j++) {
+	    if(arr[i][j] == 0)
+	      printf(" ");
+	    else
+	      printf("%d", arr[i][j]);
+        }
+        printf("\n");
+    }
+
+    printf("\nRotated array (%d degrees):\n", rotationAngle);
+    rotateArray(arr, rotationAngle, rows, cols);
+
+    return 0;
+}