From a3921c2fddaf740f86dee8ddd972b10e88daa175 Mon Sep 17 00:00:00 2001
From: Khwaish Chawla <126390524+khwaishchawla@users.noreply.github.com>
Date: Sun, 10 Nov 2024 01:06:48 +0530
Subject: [PATCH] Create program.c

---
 Miscellaneous Algorithmstw/twolevel/program.c | 66 +++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 Miscellaneous Algorithmstw/twolevel/program.c

diff --git a/Miscellaneous Algorithmstw/twolevel/program.c b/Miscellaneous Algorithmstw/twolevel/program.c
new file mode 100644
index 00000000..e9b406b1
--- /dev/null
+++ b/Miscellaneous Algorithmstw/twolevel/program.c	
@@ -0,0 +1,66 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#define NUM_PROCESSES 5
+
+// Structure for process details
+struct Process {
+    int pid;        // Process ID
+    int burstTime;  // Burst time of the process
+    int group;      // Group ID (for proportional scheduling)
+};
+
+// Function to simulate proportional scheduling
+void proportionalScheduling(struct Process processes[], int numProcesses) {
+    int timeQuantum = 2; // Time quantum for each round
+    int timeElapsed = 0;
+
+    // Keep track of remaining burst times
+    int remainingBurst[numProcesses];
+    for (int i = 0; i < numProcesses; i++) {
+        remainingBurst[i] = processes[i].burstTime;
+    }
+
+    printf("Starting Proportional Scheduling...\n");
+
+    // Continue until all processes are done
+    while (1) {
+        int allDone = 1;
+
+        for (int i = 0; i < numProcesses; i++) {
+            if (remainingBurst[i] > 0) {
+                allDone = 0;
+
+                // Execute for time quantum or remaining burst time
+                int execTime = (remainingBurst[i] > timeQuantum) ? timeQuantum : remainingBurst[i];
+                remainingBurst[i] -= execTime;
+                timeElapsed += execTime;
+
+                printf("Process %d (Group %d) ran for %d units\n", processes[i].pid, processes[i].group, execTime);
+                
+                // If process finished
+                if (remainingBurst[i] == 0) {
+                    printf("Process %d completed at time %d\n", processes[i].pid, timeElapsed);
+                }
+            }
+        }
+
+        // Check if all processes are done
+        if (allDone) break;
+    }
+}
+
+int main() {
+    struct Process processes[NUM_PROCESSES] = {
+        {1, 8, 1}, // Process ID, Burst Time, Group
+        {2, 4, 2},
+        {3, 9, 1},
+        {4, 5, 2},
+        {5, 7, 1}
+    };
+
+    proportionalScheduling(processes, NUM_PROCESSES);
+
+    return 0;
+}