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

#define MAX 30
#define var 9

int matrice[MAX][MAX];
int v[var];

void citire() {
    printf("Introduceti matricea:\n");
    for (int i = 0; i < var; i++) {
        for (int j = 0; j < var; j++) {
            printf("Elementul matricei [%d][%d] = ", i + 1, j + 1);
            scanf("%d", &matrice[i][j]);
        }
    }
}

void afisare() {
    printf("\nMatricea este:\n");
    for (int i = 0; i < var; i++) {
        for (int j = 0; j < var; j++) {
            printf("%d ", matrice[i][j]);
        }
        printf("\n");
    }
}

void parcurgerea_latime(int a) {
    bool visited[var] = {0};        
    visited[a] = 1;
    int queue[var];             
    int front = 0;
    int rear = 0;;
    queue[rear] = a;

    printf("Parcurgerea in latime este: %d ", a + 1);

    while (front <= rear) {
        int node = queue[front];
        front++;

        for (int i = 0; i < var; i++) {
            if (matrice[node][i] == 1 && visited[i] == 0) {
                visited[i] = 1;
                rear++;
                queue[rear] = i;
                printf("%d ", i + 1);
            }
        }
    }
}

int main(void) {
    citire();
    afisare();
    int n;
    printf("Introduceti varful de parcurgere ");
    scanf("%d", &n);
    n = n - 1;
    parcurgerea_latime(n);
    return 0;
}