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/* I just created this simulation type, this wasn't a requirement */

#include <stdio.h>
#include <stdbool.h>
#include <string.h>
#include <stdlib.h>
#include <time.h>

enum state {
    ALIVE,
    SICK,
    VERY_SICK,
    DEAD,
};

typedef struct {
    enum state status;
    char name[10];
} Human;

Human new_human(char *name) {
    Human human;
    human.status = rand() % 3 < 1 ? ALIVE : SICK;
    strcpy(human.name, name);
    return human;
}

void update_state(Human *human, int temperature) {
    if (human->status == DEAD) return;

    // give death
    if (temperature <= 0 || temperature >= 60) {
        human->status = DEAD;
        return;
    }

    // make sick or sicker
    if ((0 < temperature && temperature < 20) || (30 < temperature && temperature < 60)) {
        switch (human->status) {
            case DEAD:
                break;
            case VERY_SICK:
                human->status = DEAD;
                break;
            case SICK:
                human->status = VERY_SICK;
                break;
            case ALIVE:
                human->status = SICK;
                break;
        }
        return;
    }

    // heal
    if (20 <= temperature && temperature <= 30) {
        switch (human->status) {
            case ALIVE:
                break;
            case SICK:
                human->status = ALIVE;
                break;
            case VERY_SICK:
                human->status = SICK;
                break;
            case DEAD:
                break;
        }
        return;
    }
}

char* status_in_string(enum state status) {
    switch (status) {
        case DEAD:
            return "x DEAD x";
        case VERY_SICK:
            return "-VERY-SICK-";
        case SICK:
            return "-SICK-";
        case ALIVE:
            return "ALIVE";
    }
}

void print_human(Human human) {
    printf("%s : %s\n", human.name, status_in_string(human.status));
}

int main() {
    int temperature = 30;
    Human *humans;
    int human_count;
    srand(time(NULL));

    /*
     * 0  - human die
     * 10 - cooler
     * 20 - cool
     * 25 - ok
     * 30 - hot
     * 40 - hotter
     * 60 - humans die
     *
     */

    printf("Enter number of humans: ");
    scanf("%d", &human_count);

    humans = malloc(sizeof(Human) * human_count);
    for (int i=i; i<human_count; i++) {
        humans[i] = new_human("Human");
    }

    printf("Created %d humans\n", human_count);

    while (0x1) {
        printf("Temperature: %d\n", temperature);
        printf("Humans' status: \n");
        printf("----------------------------\n");
        for (int i=0; i<human_count; i++) {
            print_human(humans[i]);
        }
        printf("----------------------------\n");

        printf("Temeperature Update: ");
        scanf("%d", &temperature);

        for (int i=0; i<human_count; i++) {
            update_state(&humans[i], temperature);
        }
    }

    return 0;
}