SJF | SO

#include <stdio.h>
#include <conio.h>
#define maks 20

int i,j,n,arr[maks],burst[maks],proses[maks];
void sortirarr(void);
void sortirburst(void);

main() {
    int totalwaktu = 0, totalwait = 0;
    puts("============ Shortest Job First =============");
    printf(" Masukkan jumlah proses = "); scanf("%d", &n);
    puts("=============================================");

    for(i=0;i<n;i++) {
        proses[i] = i + 1;
        printf(" Proses ke-%d\n",proses[i]);
        puts("---------------------------------------------");
        printf("  > Arrival Time : ");
        scanf("%d", &arr[i]);
        printf("  > Burst Time   : ");
        scanf("%d", &burst[i]);
        puts("---------------------------------------------");
    }
    sortirarr();
    sortirburst();
    totalwaktu = arr[0];

    puts("\n=============================================");
    printf("| Proses | Waktu Awal | Burst | Waktu Akhir |\n");
    puts("=============================================");
    for(i=0;i<n;i++) {
        printf("| P%-5d | %-10d | %-5d | %-11d |\n",proses[i],totalwaktu,burst[i],(totalwaktu+burst[i]));
        totalwaktu += burst[i];
        if((i+1) < n)
            totalwait += totalwaktu;
    }
    puts("=============================================");
    printf("  > Average Waiting time : %d\n", totalwait/n);
}

void sortirburst(void) {
    int temparr,tempproses,tempburst;

    for(i=0;i<n;i++){
        for(j=1;j<n-1;j++){
            if (burst[j] > burst[j+1]) {
                tempproses = proses[j];
                proses[j] = proses[j+1];
                proses[j+1] = tempproses;

                temparr = arr[j];
                arr[j] = arr[j+1];
                arr[j+1] = temparr;

                tempburst = burst[j];
                burst[j] = burst[j+1];
                burst[j+1] = tempburst;
                    }
        }
    }
}

void sortirarr(void) {
    int temparr,tempproses,tempburst;

    for(i=0;i<n;i++){
        for(j=0;j<n-1;j++){
            if (arr[j] > arr[j+1]) {
                tempproses = proses[j];
                proses[j] = proses[j+1];
                proses[j+1] = tempproses;

                temparr = arr[j];
                arr[j] = arr[j+1];
                arr[j+1] = temparr;

                tempburst = burst[j];
                burst[j] = burst[j+1];
                burst[j+1] = tempburst;
                    }
        }
    }
}