#include<stdio.h>
#include<stdlib.h>

int main() {
    int n;
    int *waitTimes, *runtimes;
    printf("Enter the number of processes you want to create: ");
    scanf("%d", &n);

    waitTimes = malloc(sizeof(int) * n);
    runtimes = malloc(sizeof(int) * n);

    if (!waitTimes) {
        printf("\nFailed to create an array");
        exit(1);
    }

    for (int i = 0; i < n; i++) {
        printf("P%d run time: ", i);
        scanf("%d", &runtimes[i]);
    }

    waitTimes[0] = 0;
    for (int i = 1; i < n; i++) {
        waitTimes[i] = 0;
        for (int j = 0; j < i; j++) {
            waitTimes[i] += runtimes[j];
        }
    }

    printf("Process\t\tRun Time\tWait Time\tTurnaround Time\n");
    int sumWaitTimes = 0;
    int sumTurnaTime = 0;
    for (int i = 0; i < n; i++) {
        printf("P%d\t\t%d\t\t%d\t\t%d\n", i, runtimes[i], waitTimes[i], runtimes[i] + waitTimes[i]);
        sumWaitTimes += waitTimes[i];
        sumTurnaTime += runtimes[i] + waitTimes[i];
    }

    printf("Average Waiting Time: %d\n", sumWaitTimes / n);
    printf("Average Turnaround Time: %d\n", sumTurnaTime / n);
}