Program: Simple House Room Allocation in C

[rolandmezatsa-sys]

#include <stdio.h>
#include <string.h>

#define MAX_CHAMBRES 10

typedef struct {
int numero;
char locataire[50];
int occupee; // 0 = free, 1 = occupied
} Chambre;

void afficherChambres(Chambre chambres[], int n) {
printf("\n--- Room Status ---\n");
for (int i = 0; i < n; i++) {
printf("Room %d : %s\n", chambres[i].numero,
chambres[i].occupee ? chambres[i].locataire : "Free");
}
}

void allouerChambre(Chambre chambres[], int n) {
int num;
char nom[50];
printf("Room number to allocate (1-%d): ", n);
scanf("%d", &num);
if (num < 1 || num > n || chambres[num - 1].occupee) {
printf("Invalid room or already occupied.\n");
return;
}
printf("Tenant's name: ");
scanf(" %[^\n]", nom);
chambres[num - 1].occupee = 1;
strcpy(chambres[num - 1].locataire, nom);
printf("Room successfully allocated.\n");
}

void libererChambre(Chambre chambres[], int n) {
int num;
printf("Room number to free (1-%d): ", n);
scanf("%d", &num);
if (num < 1 || num > n || !chambres[num - 1].occupee) {
printf("Invalid room or already free.\n");
return;
}
chambres[num - 1].occupee = 0;
strcpy(chambres[num - 1].locataire, "");
printf("Room successfully freed.\n");
}

int main() {
Chambre chambres[MAX_CHAMBRES];
int choix;
for (int i = 0; i < MAX_CHAMBRES; i++) {
chambres[i].numero = i + 1;
chambres[i].occupee = 0;
strcpy(chambres[i].locataire, "");
}

do {
    printf("\n1. Show rooms\n2. Allocate room\n3. Free room\n0. Exit\nYour choice: ");
    scanf("%d", &choix);
    switch (choix) {
        case 1: afficherChambres(chambres, MAX_CHAMBRES); break;
        case 2: allouerChambre(chambres, MAX_CHAMBRES); break;
        case 3: libererChambre(chambres, MAX_CHAMBRES); break;
        case 0: printf("Program ended.\n"); break;
        default: printf("Invalid choice.\n");
    }
} while (choix != 0);

return 0;

}