3rd

#include <stdio.h> 

void main() {

    int i, j, n, bu[10], wa[10], tat[10], t, ct[10], max;

    float awt = 0, att = 0, temp = 0; 

    printf("Enter the no of processes -- "); 

    scanf("%d", &n); 

    

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

        printf("\nEnter Burst Time for process %d: ", i + 1); 

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

        ct[i] = bu[i];

    }

    printf("\nEnter the size of time slice -- "); 

    scanf("%d", &t); 

    max = bu[0]; 

    

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

        if (max < bu[i]) 

            max = bu[i]; 

    }

    for (j = 0; j < (max / t) + 1; j++) {

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

            if (bu[i] != 0) {

                if (bu[i] <= t) {

                    tat[i] = temp + bu[i]; 

                    temp = temp + bu[i]; 

                    bu[i] = 0;

                } else {

                    bu[i] = bu[i] - t; 

                    temp = temp + t;

                }

            }

        }

    }

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

        wa[i] = tat[i] - ct[i]; 

        att += tat[i]; 

        awt += wa[i];

    }

    printf("\nThe Average Turnaround time is %f", att / n); 

    printf("\nThe Average Waiting time is %f", awt / n);

    printf("\n\tPROCESS\t BURST TIME \t WAITING TIME \t TURNAROUND TIME\n");

    

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

        printf("\t%d \t\t %d \t\t %d \t\t %d \n", i + 1, ct[i], wa[i], tat[i]);

    }

}