Code-sode/FCFS.c at main · makarandhinge/Code-sode · GitHub

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#include <stdio.h>

int main()

{

    int pid[15];

    int bt[15];

    int n;

    printf("Enter the number of processes: ");

    scanf("%d",&n);


    printf("Enter process id of all the processes: ");

    for(int i=0;i<n;i++)

    {

        scanf("%d",&pid[i]);

    }

    printf("Enter burst time of all the processes: ");

    for(int i=0;i<n;i++)

    {

        scanf("%d",&bt[i]);

    }


    int i, wt[n];

    wt[0]=0;


    for(i=1; i<n; i++)

    {

        wt[i]= bt[i-1]+ wt[i-1];

    }


    printf("Process ID     Burst Time     Waiting Time     TurnAround Time\n");

    float twt=0.0;

    float tat= 0.0;

    for(i=0; i<n; i++)

    {

        printf("%d\t\t", pid[i]);

        printf("%d\t\t", bt[i]);

        printf("%d\t\t", wt[i]);


        printf("%d\t\t", bt[i]+wt[i]);

        printf("\n");


        twt += wt[i];


        tat += (wt[i]+bt[i]);

    }

    float att,awt;


    awt = twt/n;


    att = tat/n;

    printf("Avg. waiting time= %f\n",awt);

    printf("Avg. turnaround time= %f",att);

}