diff --git a/schedule.c b/schedule.c
index 6811613..0b7364d 100644
--- a/schedule.c
+++ b/schedule.c
@@ -6,21 +6,46 @@
 #include <stdlib.h>
 
 void run_to_completion(task_struct* task) {
-    // TODO:
+    printf("Task %d ran for %d cycle(s).\n", task->pid, task->remaining_cycles);
+    task->remaining_cycles = 0;
+    printf("Task %d completed.\n", task->pid);
 }
 
 void run_with_quantum(task_struct* task, unsigned int quantum) {
-    // TODO:
+    if (task->remaining_cycles <= quantum) {
+        run_to_completion(task);
+    } else {
+        printf("Task %d ran for %d cycle(s).\n", task->pid, quantum);
+        task->remaining_cycles -= quantum;
+    }
 }
 
 void fcfs() {
-    // TODO:
+    while (get_task(0) != NULL) {
+        run_to_completion(remove_task(0));
+    }
 }
 
 void priority_queue(unsigned int quantum) {
-    // TODO:
+    min_heapify();
+
+    while (get_task(0) != NULL) {
+        task_struct* task = get_task(0);
+        run_with_quantum(task, quantum);
+        if (task->remaining_cycles > 0) {
+            remove_task(0);
+        }
+
+        min_heapify();
+    }
 }
 
 void round_robin(unsigned int quantum) {
-    // TODO:
+    while (get_task(0) != NULL) {
+        task_struct* task = get_task(1 % size());
+        run_with_quantum(task, quantum);
+        if (task->remaining_cycles == 0) {
+            remove_task(task->pid);
+        }
+    }
 }