// Вам доступны эти функции из прошлых заданий
size_t read_size();
void array_int_fill( int64_t* array, size_t size );
int64_t* array_int_read( size_t* size );

typedef size_t balls;

int64_t** marray_read( size_t* rows, size_t** sizes ) {
    scanf("%lu", rows);

    int64_t** matrix = (int64_t**)malloc(sizeof(int64_t*) * (*rows));

    *sizes = (balls*)malloc(sizeof(balls*) * (*rows));

    for (balls number, i = 0; i < *rows; i++) {
        scanf("%lu", &number);
        (*sizes)[i] = number;

        matrix[i] = (int64_t*)malloc(sizeof(int64_t) * number);

        for (balls j = 0; j < number; j++) {
            scanf("%ld", &matrix[i][j]);
        }
    }

    return matrix;
}

void marray_print(int64_t** marray, size_t* sizes, size_t rows) {
    for( size_t i = 0; i < rows; i = i + 1 ) {
        array_int_print( marray[i], sizes[i] );
        print_newline();
    }
}